Micropower Buck Regulators Try our new parametric tables

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Number of Outputs Vin Min Vin Max Output Current Isupply Monolithic Synchronous Packages Comments Frequency Vout Min Vout Max Features Ishutdown Switch Current Vref Accuracy Over Temp Frequency Adjust Range Frequency Sync Range Architecture Integrated Inductor Sense Resistor Polyphase Max Phases Temp Range Topology Topology 1 Topology 2 Output Current 2 Vout Min 2 Vout Max 2 Topology 3 Output Current 3 Vout Min 3 Vout Max 3 Topology 4 Output Current 4 Design Tools Demo Boards Featured New Date Added Price 1k* Product Category Package Area Package Height Export Control Auto & Transport Terminal Finish
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	Number of Outputs	Vin Min	Vin Max	Output Current	Isupply	Monolithic	Synchronous	Packages	Comments	Frequency	Vout Min	Vout Max	Features	Ishutdown	Switch Current	Vref Accuracy Over Temp	Frequency Adjust Range	Frequency Sync Range	Architecture	Integrated Inductor	Sense Resistor	Polyphase	Max Phases	Temp Range	Topology	Topology 1	Topology 2	Output Current 2	Vout Min 2	Vout Max 2	Topology 3	Output Current 3	Vout Min 3	Vout Max 3	Topology 4	Output Current 4	Design Tools	Demo Boards	Featured	New	Date Added	Price 1k*	Product Category	Package Area	Package Height	Export Control	Auto & Transport	Terminal Finish
Units		V	V	A	µA	yes/no	yes/no			kHz	V	V		µA	A	%				yes/no		yes/no	#					A	V	V		A	V	V		A								mm²	mm	yes/no
Selection (hold Ctrl key to select multiple, hold Shift key to select range)	1 2 3 4 8	0.65 1.6 2.2 2.25 2.3 2.4 2.5 2.65 2.7 2.75 2.8 2.85 2.9 3 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4 4.2 4.3 4.5	5 5.5 6 9.8 10 15 17 20 24 33 34 36 38 40 42 45 50 55 58 60 65 76 100 140 150	0.015 0.02 0.05 0.1 0.2 0.25 0.3 0.35 0.4 0.5 0.6 0.7 0.75 0.8 1 1.2 1.24 1.25 1.3 1.5 1.8 2 2.4 2.5 3 3.5 4 5 6 10 15 20 25 30	0.72 1.6 1.7 1.8 2.4 2.5 2.6 3 3.5 3.6 5 10 12 15 16 17 18 20 22 24 25 26 30 32 33 34 35 39 40 45 50 55 58 60 62 64 65 70 75 80 100 125 130 170 200	no yes	no yes	11.25mm x 6.25mm 3.42mm BGA 15mm x 11.25mm x 4.92mm BGA 15mm x 9mm x 3.42mm BGA 15mm x 9mm x 4.92mm BGA 15mm × 11.25mm × 4.32mm LGA 15mm × 9mm × 2.82mm LGA 2x2 DFN-6 2x2 DFN-8 2x3 DFN-6 3x2 DFN-10 3x2 DFN-12 3x2 DFN-8 3x3 DFN-10 3x3 DFN-12 3x3 DFN-8 3x3 QFN-16 3x3 QFN-20 3x3 UTDFN-10 3x4 QFN-18 3x4 QFN-20 3x5 QFN-24 3x6 QFN-28 4x3 DFN-12 4x3 DFN-14 4x4 QFN-16 4x4 QFN-20 4x4 QFN-24 4x5 QFN-20 4x5 QFN-28 4x6 QFN-26 4x6 QFN-38 5x3 DFN-16 5x5 QFN-32 5x7 QFN-38 6.25mm x 6.25mm x 2.32mm LGA 6x6 QFN-40 7x7 QFN-48 DFN-8 MS-10 MS-10E MS-12E MS-16 MS-16E MS-8 SC-70 SO-8 SOT-23 SSOP-16 SSOP-28 TSSOP-16 TSSOP-20 TSSOP-24 TSSOP-28 TSSOP-38	-3.3/-5 Fixed Output Versions 1.25A, 4MHz, Synchronous Step-Down 1.5MHz, Burst Mode, LTC3406-1.2 Fixed 1.2V Output 1.5MHz, Burst Mode, LTC3406-1.5 Fixed 1.5V Output 1.5MHz, Burst Mode, LTC3406-1.8 Fixed 1.8V Output 1.5MHz, LTC3406A Has Low Ripple Pulse-Skipping Mode 1.8μA Quiescent Current, 15V, 300mA Synchronous Step-Down 100% Duty Cycle 100% Duty Cycle, Integrated PLL 100% Duty Cycle, Integrated PLL 100% Duty Cycle, LTC3409A Has Tighter VREF and Line Regulation Limits 100% Duty Cycle, Pin-Strapped Fixed 1.8V/3.3V/5V or Adj VOUT 100V, 0.6A Synchronous Micropower Buck High Efficiency Regulator 100V, 1A Synchronous Micropower Step-Down Regulator 100µA IQ, 200kHz Switching, /B Disables Burst Mode 100µA IQ, 500kHz Switching 100µA Quiescent Current 150V Low IQ, Synchronous Step-Down DC/DC Controller 1A Buck Regulator with Dual 600mA VLDO Regulators 2.5A, 10V, Monolithic Synchronous Step-Down Regulator 2.5A, 15V, Monolithic Synchronous Step-Down Regulator 2.5µA Low Ripple Burst Mode 2.5µA Low Ripple Burst Mode Operation, LT8610 50ns Min On-Time 2.5µA Low Ripple Burst Mode, Current Sense Amp and Monitor 2.5μA IQ, Integrated Boost & Catch Diodes 2.5μA IQ, Integrated Boost & Catch Diodes, -3.3/-3.42/-5 Fixed Vout 2.5μA IQ, Integrated Boost & Catch Diodes, 3.3V Fixed Output 2.5μA IQ, Integrated Boost & Catch Diodes, 5V Fixed Output 2.6uA Quiescent Current, 300mA Buck & 10mA LDO 20V High Efficiency Nanopower Step-Down Regulator 29ms POR Delay, LTC3548-1 Fixed 1.8V/1.575Vot 29ms POR Delay, LTC3548-2 Fixed 1.2V/Adj. Vout 3.5uA IQ, LTC3621-X Offer 1MHz/2.25MHz or 3.3V/5V Fixed Vout 300μA IQ, Dual 2-Phase Sync Buck, LTC3868 Adj Current Limit, CLKOUT, Two PGOOD 300μA IQ, Dual 2-Phase Synch Buck, LTC3868-1 Fixed Current Limit, One PGOOD 30uA Iq, LTC3826 Clock Out Pin, Two PGOOD Outputs 30uA Iq, LTC3826-1 No Clock Out Pin, One PGOOD 30μA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins 30μA IQ Step-Down Controller, LTC3834-1 Offers Smaller Package 36V Operation and IQ=75µA 36Vin, 600mA Step-Down uModule Converter with 5uA Quiescent Current 3A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter 3A, 4MHz, Monolithic Synchronous Step-Down 400mA/800mA Synchronous Step-Down 42V, 1.5A Step-Down with 2.5μA Quiescent Current, Spread Spectrum 42V, 2A Synchronous Step-Down Regulator with 2.5μA Quiescent Current 42V, 3.5A Synchronous Step-Down with Operation to 175°C 42V, 350mA Synchronous Step-Down Regulator with 2.5μA Iq 42V, 750mA Synchronous Step-Down Regulator with 2.5μA Iq 4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter 50μA IQ, 60V Synchronous Step-Down Controller 58V, 2A Step-Down μModule Regulator 60V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle 60V Low IQ, Dual, 2-Phase Synch Buck Controller, Fixed ILIM 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM, Pulse Skip 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller 60V Transient Protection 60V Transient Protection, 100% Duty Cycle 60V Transient Protection, 3.3V, 5V or Adj VOUT 60V Transient Protection, Low Ripple Burst Mode 60V VIN w/ 80V transients, Burst Mode 65V 500mA Step-Down Converter, Prog 1.8V/3.3V/5V/Adj VOUT 65V, 3.5A Synchronous Step-Down Silent Switcher with 2.5μA Iq 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter 700mA Boost, 250mA Buck, 100mA LDO 70uA Quiescent Current, Low Ripple Burst Mode 76V 500mA Step-Down Converter, Prog 1.8V/3.3V/5V/Adj VOUT 8-Channel I2C Programmable, Parallelable 1A Bucks 8-Channel Parallelable 1A Buck DC/DCs 8-Channel Parallelable 1A Buck DC/DCs, /A offers improved efficiency, accuracy and OV pin 80V Transient and Short-Circuit Protection, Low Ripple Burst Mode 80uA Iq, LTC3827 Clock Out Pin, Two PGOOD Outputs 80uA Iq, LTC3827-1 No Clock Out Pin, One PGOOD 80μA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins 80μA IQ Step-Down Controller, LTC3835-1 Offers Smaller Package Buck-Boost Vin 4V-60V, Vout 3.3V-20V Burst Mode Dual 2.5A/1.5A 42V Synchronous Monolithic Step-Down with 6.5μA Iq Dual 50μA IQ Buck Controller, LTC3857 CLKOUT, Two PGOOD, Foldback Dual 50μA IQ Buck Controller, LTC3857-1 One PGOOD, Foldback Dual 600mA 15V Monolithic Synchronous Step-Down Dual 600mA Buck, 1.5MHz, LTC3407A Offers Low Ripple Burst Mode Dual 600mA Buck, LTC3419-1 Fixed 1.575/1.8Vout Dual 800mA Buck, 2.25MHz LTC3407-4 has Reduced POR Time Dual 800mA Buck, 2.25MHz, LTC3407-3 Offers Fixed 1.8V and 3.3V Dual 800mA Buck, LTC3407A-2 Offers Low Ripple Burst Mode, 2.25MHz Dual 800mA Step-Down, POR & Watchdog, Burst Mode Dual Monolithic 300mA Synchronous Step-Down Dual Output Synchronous 400mA Buck-Boost and 200mA Buck Dual Output-Synchronous 1A Buck-Boost and a 600mA Buck EN55022B Compliant 36Vin, 200mA, DC/DC µModule Fixed 1.375V Output, All Ceramic Caps Fixed 1.5V Output, All Ceramic Caps Fixed 1.875 Output Fixed 1.8V Output, All Ceramic Caps High Efficiency, 140V 400mA Step-Down Regulator High Voltage Step-Down With 40uA Quiescent Current I2C Controllable Buck Regulator I2C Quad Step-Down 2 x 600mA, 2 x 400mA IQ = 5μA, LTC3622 1MHz, LTC3622-2 2.2MHz, -23/25 Fixed Vout 3.3/5V Integrated Boost & Catch Diodes, LT3470 5.5V Min Startup, 300mA Iswitch Integrated Boost & Catch Diodes, LT3470A 4V Min Startup, 400mA Iswitch Integrated Buck-Boost For Gate Drive Integrated Catch & Boost Diodes Integrated Power Schottky Diode LDO Mode for Low Noise Operation LT1934 300mA Output Current LT1934-1 Optimized For < 60mA Output Currents LT3791A Offers More Accurate Vref LT3791A-5 Offers More Accurate Vref, Fixed 5Vout LT8610A Offers Improved 30ns Min On-Time and Iout, Fixed 3.3V & 5V Options LT8610AB Improves Low Ripple Burst Mode Efficiency, Fixed 3.3V & 5V Options LT8610AC 0.8V Vref, 3V Min Vin, 30ns Min Ton; LT8610AC-1 Optimized For High Fsw LTC3405A Version Uses All Ceramic Caps LTC3417A Offers Improved Channel Matching LTC3417A-2 Offers PGOOD LTC3542-1 Has Fixed 2.8V Output LTC3548A Improved ESD, Burst Mode, 116ms POR Delay LTC3890 Adj. Current Limit, Multi-Phase, Current Limit Foldback LTC3890-1 No Multi-Phase, Current Limit Foldback, Forced Continuous LTC3890-2 Adj. Current Limit, Multi-Phase, Pulse Skip, Can Make Boost/SEPIC LTC3890-3 Pulse Skipping, Can Make Boost/SEPIC Low IQ, 38V Synchronous Boost+Buck Controller Low IQ, 60V Synchronous Boost+Buck Controller Low IQ, Synchronous Step-Down Controller with 24V Output Voltage Capability Low Q Current, 1.5% Accurate Vref Low Ripple Burst Mode Low Ripple Burst Mode, IQ<50μA Monolithic 400mA Buck Regulator with Dual 150mA LDOs No RSENSE, 100% Duty Cycle, LTC3772 Offers Burst Mode POR and Watchdog Timer POR and Watchdog Timer, 5V Fixed Output Quad Monolithic Step-Down (2 HV Buck 2.5A/1.5A, 2 LV Buck 1.8A/1.8A) Quad Step-Down: 300mA, 200mA, 200mA, 100mA SC70 300mA Synchronous Buck Selectable 0°/90°/180° (LTC3615) or 140°/180° (LTC3615-1) Selectable Burst Mode Operation Selectable Output Voltage Silent Switcher Architecture Minimizes EMI, 2.5µA Low Ripple Burst Mode Spread Spectrum Step-Down Silent Switcher, LT8640 Pulse Skipping, /-1 Forced Continuous Synchronous, 100% Duty Cycle Synchronous, Integrated ByPass MOSFET Transient Protection to 60V, Low Ripple Burst Mode Transient Protection to 62V, Low Ripple Burst Mode Operation Triple 42V, 2.5A, 1.8A, 1.5A Monolithic Synchronous Step-Down Triple 800mA Synchronous Step-Down Regulator Triple Buck Regulator with 1.2A and Two 600mA Outputs Triple Buck/Buck/Boost Synch Controller, Improved Burst Mode Ultralow 2.8μA IQ, Low Ripple Burst Mode Ultralow 3.4μA IQ, Low Ripple Burst Mode Ultralow Noise EMC Compliant 36V, 1A DC/DC uModule Regulator Ultralow Noise EMC Compliant 36V, 2A DC/DC uModule Ultralow Noise EMC Compliant 36VIN, 3A DC/DC μModule Regulator Ultralow Power 15mA Synchronous Step-Down	0 2.25 200 450 500 530 550 600 650 850 900 1000 1200 1400 1500 2000 2200 2250 2400 2600 2800 3000 4000	0.3 0.425 0.6 0.611 0.62 0.69 0.778 0.79 0.8 0.808 0.81 0.97 1 1.19 1.197 1.2 1.21 1.23 1.25 1.265 1.28 1.375 1.5 1.575 1.8 1.875 2.2 3.3 5	1.2 1.375 1.5 1.8 1.87 1.875 2.05 3.3 5 5.2 5.25 5.5 6 9.8 10 13.8 14 14.85 15 16 17 18 20 24 25 28 30 32.4 34.2 38.8 39.7 40 40.74 41.4 41.5 41.58 41.6 41.8 41.9 42 45 50 54 55.8 57.42 59.4 60 64 64.75 65 76 140 150	- 100% Duty Cycle Active Voltage Positioning Adjustable Slew Rate Anti-Phase Switching Burst Mode DCR Current Sense DDR Mode EN55022 Class B Certified External Synchronization Fixed Output I2C Control Input Current Monitor Input Current Regulation Integrated Boost Diode Integrated Buck-Boost For Gate Drive LDO Low EMI No Rsense Output Current Monitor Output Current Regulation Output Disconnect Overvoltage Protection PLL Pin Selectable Output Voltage PolyPhase Power Good Power On Reset Programmable Input Current Limit Programmable Output Current Limit Rail-to-Rail Current Sense Amplifier Resistor Set Frequency Selectable Switching Frequency Sequencing Silent Switcher Architecture Spread Spectrum Temperature Monitor Tracking Watchdog Timer	0 0.01 0.02 0.1 0.2 0.52 0.7 0.75 0.9 1 1.4 1.7 2 3 3.6 4 5 6 7 8 10 12 14 25 40	0 0.035 0.05 0.115 0.12 0.15 0.225 0.23 0.325 0.4 0.44 0.45 0.49 0.5 0.55 0.575 0.6 0.61 0.65 0.7 0.75 0.8 1 1.1 1.2 1.3 1.5 1.55 1.6 1.65 1.7 1.8 2 2.1 2.15 2.2 2.3 2.4 2.5 2.9 3 3.5 3.8 4 4.5 4.7 4.8 5 5.2 5.4 5.5 5.8 6 6.3 6.6 6.7 8 9 9.7 10 12 15 20 25 30	0 0.6 1 1.2 1.23 1.24 1.48 1.5 1.6 1.875 2 2.1 2.3 2.4 2.5 3 5	1.7MHz or 2.6MHz 100kHz - 2MHz 100kHz to 1MHz 100kHz to 2.4MHz 115kHz - 835kHz 170kHz to 1.5MHz 1MHz (LTC3621) or 2.25MHz (LTC3621-2) Fixed 1MHz (LTC3622) or 2.25MHz (LTC3622-2) Fixed 1MHz - 3MHz 1MHz or 2.25MHz 200kHz - 2.2MHz 200kHz - 2.4MHz 200kHz - 2MHz 200kHz - 3MHz 200kHz - 600kHz 200kHz to 2.2MHz 200kHz to 3MHz 250kHz - 2.2MHz 250kHz - 2.4MHz 250kHz - 530kHz 300kHz - 2.8MHz 300kHz - 3MHz 300kHz - 4MHz 350kHz - 2.2MHz 400kHz - 4MHz 50kHz - 1MHz 50kHz - 850kHz 50kHz - 900kHz 50kHz to 900kHz 600kHz - 4MHz 75kHz - 850kHz Constant Off Time Hysteretic Up to 4MHz	0.4MHz - 4MHz 1.2MHz - 3MHz 1.5MHz 1.8MHz - 2.7MHz 100kHz to 1MHz 100kHz to 2.4MHz 140kHz - 650kHz 170kHz to 1.5MHz 1MHz - 1.7MHz 1MHz - 3MHz 1MHz to 4MHz 2.25MHz 200kHz - 2.2MHz 200kHz - 2MHz 200kHz - 3MHz 200kHz - 600kHz 200kHz to 2.2MHz 200kHz to 3MHz 230kHz - 500kHz 230kHz - 600kHz 240kHz - 700kHz 250kHz - 2.2MHz 250kHz - 2MHz 275kHz - 475kHz 300kHz - 2.2MHz 300kHz - 3MHz 300kHz - 4MHz 350kHz - 2.2MHz 350kHz - 750kHz 400kHz - 4MHz 400kHz - 700kHz 400kHz to 4MHz 500kHz - 3.3MHz 50kHz - 1MHz 50kHz - 900kHz 575kHz - 700kHz 600kHz - 4MHz 75kHz - 750kHz 75kHz - 850kHz 75kHz to 750kHz 75kHz to 850kHz Up to 4MHz	Boundary Mode Control Constant Frequency Current Mode Constant Off-Time Current Mode Hysteretic Mode Control Variable Frequency Current Mode	no yes	DCR None Rsense	no yes	1 2 4 12	C E H I MP X	Boost Buck Buck-Boost Inverting LDO	Boost Buck Inverting	- Boost Buck Buck-Boost LDO	0 0.01 0.1 0.15 0.2 0.3 0.4 0.6 0.8 1 1.5 1.8 3 15 20 25	0 0.4 0.425 0.6 0.79 0.8 1 1.8 3.3	0 0.8 5 5.25 5.432 5.5 17 24 41.4 41.8 42 59.4	- Boost Buck LDO	0 0.15 0.2 0.3 0.4 0.6 0.8 1 1.8	0 0.4 0.425 0.6 0.8 1.2	0 2.5 5 5.432 5.5 60	- Buck	0 0.1 0.4 1 1.5	- LTpowerCAD File LTpowerCAD Model LTspice File LTspice Model	- DC1008A DC1013A DC1015A DC1025A DC1037A DC1040A-A DC1062A DC1091A DC1122A DC1123A DC1128A DC1149A DC1158A DC1159A DC1176A DC1177A DC1180A DC1193A-A DC1193A-B DC1194A DC1206A DC1212A-A DC1222A DC1232A DC1235A DC1244A DC1277A DC1310A DC1312A DC1326A DC1336A DC1340A DC1343A DC1344A DC1346A DC1352A-A DC1381A-A DC1382A DC1386B DC1394A DC1429A DC1435A DC1439A DC1442A DC1445A DC1458A DC1460A DC1461A DC1467A DC1471A DC1476A DC1489A-A DC1499A DC1507A DC1519A DC1520A DC1526A DC1527A DC1566A DC1572A DC1574A DC1578A-A DC1578A-B DC1596A DC1597A DC1623A DC1658A-A DC1658A-B DC1695B DC1722A DC1723A DC1724A DC1730A DC1736A DC1749A DC1749B DC1750A DC1754A DC1832A DC1847A DC1848A DC1863A DC1864A DC1877A DC1883A DC1898A DC1901A DC1909A DC1921A DC1940A DC1949A DC1953A DC1992A DC1998A DC2003A DC2004A DC2005A DC2010A DC2011A DC2012A DC2019B DC2056A DC2057A DC2105A-A DC2105A-B DC2110A DC2117A DC2122A DC2132A DC2139A DC2169A DC2172A DC2190A-A DC2190A-B DC2195A DC2195B-A DC2202A DC2221A DC2236A-A DC2236A-B DC2299A-A DC2299A-B DC2346A DC2359A DC2373A DC2422A-A DC2422A-B DC2422A-C DC2434A DC2435A-A DC2435A-B DC2435A-C DC2440A DC2458A DC2493A DC2504A DC290A-A DC290A-B DC348A DC413A DC432A DC432B DC480A-A DC480A-B DC480A-C DC480A-D DC480A-E DC480A-F DC481A DC500A-B DC500A-C DC527A DC544A DC556A DC560A DC613A DC614A DC623A DC639A DC652A DC716B DC767A DC828A DC836A DC840A DC857A DC868A DC870A-A DC893A DC960A DC965A DC967B DC977A DC992A DC993A	no yes	no yes	2000-02-28 2000-05-03 2000-05-18 2000-08-24 2001-09-25 2001-12-03 2002-01-23 2002-04-05 2002-05-23 2002-07-11 2002-10-07 2003-02-10 2003-04-18 2003-06-18 2003-06-20 2003-08-15 2004-06-30 2004-08-13 2004-12-28 2005-03-08 2005-03-18 2005-03-30 2005-06-17 2005-06-24 2005-07-29 2005-09-28 2005-11-10 2005-12-15 2005-12-19 2006-05-26 2006-06-01 2006-06-29 2006-09-12 2006-09-21 2006-10-12 2006-12-14 2006-12-19 2007-02-06 2007-03-06 2007-04-26 2007-05-21 2007-05-26 2007-06-06 2007-07-06 2007-07-13 2007-07-31 2007-08-23 2007-10-29 2007-11-16 2008-01-18 2008-01-23 2008-02-12 2008-05-08 2008-06-11 2008-09-18 2008-11-03 2008-12-15 2009-01-05 2009-01-07 2009-01-15 2009-02-10 2009-04-28 2009-05-08 2009-07-28 2009-07-30 2009-08-13 2009-08-26 2009-09-16 2009-09-22 2009-10-07 2009-11-04 2009-12-07 2010-02-16 2010-02-25 2010-04-01 2010-04-21 2010-07-09 2010-07-20 2010-10-15 2011-01-25 2011-02-03 2011-10-12 2011-11-04 2012-02-21 2012-03-21 2012-05-09 2012-05-18 2012-07-13 2012-10-23 2012-11-13 2012-11-16 2013-01-23 2013-01-24 2013-03-19 2013-04-15 2013-05-06 2013-05-10 2013-05-29 2013-07-02 2013-07-31 2013-08-07 2013-12-03 2013-12-10 2013-12-20 2014-01-15 2014-02-03 2014-02-10 2014-05-19 2014-06-03 2014-08-11 2014-10-16 2014-10-24 2014-11-10 2014-12-09 2015-01-09 2015-02-02 2015-04-01 2015-04-13 2015-07-13 2015-10-08 2016-01-13 2016-02-10 2016-03-16 2016-03-23 2016-04-01 2016-04-04 2016-07-27 2016-10-10 2016-10-27	$1.44 (LTC3549EDCB) $1.56 (LTC3410ESC6-1.65) $1.56 (LTC3410ESC6-1.875) $1.60 (LTC3542EDC) $1.60 (LTC3563EDC) $1.67 (LTC3405AES6) $1.67 (LTC3405AES6-1.375) $1.67 (LTC3405AES6-1.5) $1.67 (LTC3405AES6-1.8) $1.83 (LTC3406AES5) $1.90 (LTC3560ES6) $1.91 (LTC3772EDDB) $1.95 (LTC3419EDD-1) $1.95 (LTC3447EDD) $1.95 (LTC3543EDCB) $1.95 (LTC3547EDDB-1) $1.95 (LTC3564EDCB) $1.95 (LTC3620EDC-1) $1.95 (LTC3670EDDB) $1.95 (LTC3824EMSE) $10.95 (LTM8032EV) $11.95 (LTM8033EV) $125.00 (LT8610AXMSE) $14.00 (LTM8050EY) $2.00 (LTC3411AEDD) $2.00 (LTC3565EDD) $2.01 (LTC3406ES5-1.2) $2.01 (LTC3406ES5-1.5) $2.01 (LTC3406ES5-1.8) $2.01 (LTC3801ES6) $2.05 (LTC3448EDD) $2.06 (LTC3864EDE) $2.10 (LTC3403EDD) $2.15 (LTC3409EDD) $2.25 (LT3437EDD) $2.25 (LT8608EMSE) $2.25 (LTC3619EDD) $2.26 (LT1934EDCB) $2.26 (LT1934EDCB-1) $2.30 (LTC3807EUDC) $2.35 (LT3970EDDB-3.3) $2.35 (LTC3607EUD) $2.36 (LT3470EDDB) $2.37 (LTC3409AEDD) $2.40 (LT8609BEMSE) $2.45 (LTC3103EDD) $2.45 (LTC3632EDD) $2.46 (LT3470AEDDB) $2.50 (LTC3522EUD) $2.55 (LT3990EDD) $2.55 (LTC3621EDCB-25) $2.59 (LTC3868EGN-1) $2.60 (LTC1878EMS8) $2.60 (LTC3407AEDD) $2.60 (LTC3548AEDD) $2.60 (LTC3548EDD-1) $2.60 (LTC3548EDD-2) $2.65 (LTC1771ES8) $2.65 (LTC3642EMS8E-5) $2.70 (LTC3104EDE) $2.70 (LTC3404EMS8) $2.71 (LTC3868EUH) $2.75 (LT3971EDD) $2.75 (LT3971EDD-3.3) $2.75 (LT3971EDD-5) $2.75 (LT3973EDD-3.3) $2.75 (LTC3446EDE) $2.90 (LTC1877EMS8) $2.93 (LTC3417AEDHC-2) $2.95 (LT3682EDD) $2.95 (LT3991EDD) $2.95 (LTC3388EDD-1) $2.95 (LTC3407AEDD-2) $2.95 (LTC3407EDD-3) $2.95 (LTC3407EDD-4) $2.95 (LTC3544EUD) $2.95 (LTC3568EDD) $2.95 (LTC3624EDD-5) $2.95 (LTC3631EMS8E-5) $3.10 (LT3975EMSE) $3.10 (LTC3100EUD) $3.10 (LTC3545EUD-1) $3.10 (LTC3569EUD) $3.10 (LTC3612EUDC) $3.20 (LT3689EUD) $3.20 (LT3689EUD-5) $3.20 (LTC3630EDHC) $3.20 (LTC3637EDHC) $3.25 (LT3433EFE) $3.25 (LT3481EDD) $3.25 (LT3695EMSE-3.3) $3.25 (LTC3562EUD) $3.25 (LTC3603EMSE) $3.30 (LTC3630AEDHC) $3.35 (LT3971AIMSE) $3.35 (LT3971AIMSE-5) $3.37 (LTC3417AIDHC-1) $3.40 (LTC3835EDHC-1) $3.45 (LT3480EDD) $3.45 (LTC3412AEFE) $3.45 (LTC3614EUDD) $3.47 (LTC3891EUDC) $3.50 (LT1976BEFE) $3.50 (LTC1875EGN) $3.50 (LTC3520EUF) $3.55 (LT3980EDE) $3.55 (LT3995EMSE) $3.55 (LT8610EMSE) $3.55 (LTC3835EFE) $3.60 (LT3688EUF) $3.60 (LT8630EFE) $3.60 (LT8631EFE) $3.60 (LTC1879EGN) $3.65 (LT3681EDE) $3.65 (LT3840EUFE) $3.65 (LTC3638EMSE) $3.65 (LTC3639EMSE) $3.69 (LTC3834EDHC-1) $3.75 (LT3976EMSE) $3.75 (LT8610ABEMSE-3.3) $3.75 (LT8610ACEMSE-1) $3.75 (LT8610AEMSE-3.3) $3.75 (LT8620EMSE) $3.75 (LTC3622EMSE) $3.80 (LT8611EUDD) $3.80 (LTC3616EUDD) $3.80 (LTC7138EMSE) $3.88 (LTC3834EFE) $3.88 (LTC3857EGN-1) $3.95 (LTC3615EUF-1) $4.00 (LT1977EFE) $4.00 (LTC3602EUF) $4.00 (LTC3857EUH) $4.00 (LTC7812EUH) $4.15 (LT3680EDD) $4.15 (LT8616EUDE) $4.25 (LT3972EDD) $4.25 (LT8614EUDC) $4.25 (LTC3414EFE) $4.35 (LT8640EUDC-1) $4.35 (LT8641EUDC) $4.35 (LTC3859ALEUHF) $4.47 (LTC3890EGN-1) $4.47 (LTC3890EGN-3) $4.59 (LTC3890EUH) $4.59 (LTC3890EUH-2) $4.65 (LTC3374AEUHF) $4.65 (LTC3374EUHF) $4.70 (LTC3895EFE) $4.82 (LTC3892EFE-1) $4.82 (LTC7813EUH) $4.94 (LTC3892EUH) $4.94 (LTC3892EUH-2) $4.95 (LT3690EUFE) $4.95 (LT8612EUDE) $4.95 (LTC3899EUHF) $4.95 (LTM8020EV) $5.00 (LTC3827EG-1) $5.10 (LTC3827EUH) $5.15 (LT8601EUJ) $5.20 (LT8613EUDE) $5.25 (LT3434EFE) $5.25 (LT3435EFE) $5.35 (LT8602EUJ) $5.38 (LTC3826EG-1) $5.45 (LTC3375EUK) $5.50 (LTC3826EUH) $6.60 (LTM8029EY) $9.95 (LTM8031EV) Contact Factory	Buck Regulator Plus LDO DDR Memory/Bus Termination Digitally Programmable Regulators Energy Harvesting Extended Temperature (H & MP) Switching Regulators Extended Temperature (H & MP) uModule Regulators External Power Switch Boost External Power Switch Buck Controllers External Power Switch Buck-Boost High Input Voltage Buck Internal Power Switch Buck Internal Power Switch Buck-Boost Micropower Buck Regulators Multiple Output Buck Multitopology DC/DC Step-Down (Buck) LED Drivers Supercapacitor Chargers Ultralow Noise Regulators X Grade Products uModule Buck Regulators	12mm² (3x4 QFN-18) 12mm² (3x4 QFN-20) 12mm² (4x3 DFN-12) 12mm² (4x3 DFN-14) 135mm² (15mm x 9mm x 3.42mm BGA) 135mm² (15mm x 9mm x 4.92mm BGA) 135mm² (15mm × 9mm × 2.82mm LGA) 14.7mm² (MS-10) 14.7mm² (MS-10E) 14.7mm² (MS-8) 15mm² (3x5 QFN-24) 15mm² (5x3 DFN-16) 168.8mm² (15mm x 11.25mm x 4.92mm BGA) 168.8mm² (15mm × 11.25mm × 4.32mm LGA) 16mm² (4x4 QFN-16) 16mm² (4x4 QFN-20) 16mm² (4x4 QFN-24) 18mm² (3x6 QFN-28) 19.8mm² (MS-12E) 19.8mm² (MS-16) 19.8mm² (MS-16E) 20mm² (4x5 QFN-20) 20mm² (4x5 QFN-28) 24mm² (4x6 QFN-26) 24mm² (4x6 QFN-38) 25mm² (5x5 QFN-32) 30.9mm² (SSOP-16) 31mm² (SO-8) 32.6mm² (TSSOP-16) 35mm² (5x7 QFN-38) 36mm² (6x6 QFN-40) 39.1mm² (6.25mm x 6.25mm x 2.32mm LGA) 42.2mm² (TSSOP-20) 49mm² (7x7 QFN-48) 4mm² (2x2 DFN-6) 4mm² (2x2 DFN-8) 5.3mm² (SC-70) 50.6mm² (TSSOP-24) 61.9mm² (SSOP-28) 62.7mm² (TSSOP-28) 62.7mm² (TSSOP-38) 6mm² (2x3 DFN-6) 6mm² (3x2 DFN-10) 6mm² (3x2 DFN-12) 6mm² (3x2 DFN-8) 70.3mm² (11.25mm x 6.25mm 3.42mm BGA) 8.1mm² (SOT-23) 86.1mm² (SSOP-28) 9mm² (3x3 DFN-10) 9mm² (3x3 DFN-12) 9mm² (3x3 DFN-8) 9mm² (3x3 QFN-16) 9mm² (3x3 QFN-20) 9mm² (3x3 UTDFN-10)	0.55mm (3x3 UTDFN-10) 0.75mm (2x2 DFN-6) 0.75mm (2x2 DFN-8) 0.75mm (2x3 DFN-6) 0.75mm (3x2 DFN-10) 0.75mm (3x2 DFN-12) 0.75mm (3x2 DFN-8) 0.75mm (3x3 DFN-10) 0.75mm (3x3 DFN-12) 0.75mm (3x3 DFN-8) 0.75mm (3x3 QFN-16) 0.75mm (3x3 QFN-20) 0.75mm (3x4 QFN-18) 0.75mm (3x4 QFN-20) 0.75mm (3x5 QFN-24) 0.75mm (3x6 QFN-28) 0.75mm (4x3 DFN-12) 0.75mm (4x3 DFN-14) 0.75mm (4x4 QFN-16) 0.75mm (4x4 QFN-20) 0.75mm (4x4 QFN-24) 0.75mm (4x5 QFN-20) 0.75mm (4x5 QFN-28) 0.75mm (4x6 QFN-26) 0.75mm (4x6 QFN-38) 0.75mm (5x3 DFN-16) 0.75mm (5x5 QFN-32) 0.75mm (5x7 QFN-38) 0.75mm (6x6 QFN-40) 0.75mm (7x7 QFN-48) 1.1mm (MS-10) 1.1mm (MS-10E) 1.1mm (MS-12E) 1.1mm (MS-16) 1.1mm (MS-16E) 1.1mm (MS-8) 1.1mm (TSSOP-16) 1.2mm (TSSOP-20) 1.2mm (TSSOP-24) 1.2mm (TSSOP-28) 1.2mm (TSSOP-38) 1.75mm (SO-8) 1.75mm (SSOP-16) 1.75mm (SSOP-28) 1mm (SC-70) 1mm (SOT-23) 2.32mm (6.25mm x 6.25mm x 2.32mm LGA) 2.82mm (15mm × 9mm × 2.82mm LGA) 2mm (SSOP-28) 3.42mm (11.25mm x 6.25mm 3.42mm BGA) 3.42mm (15mm x 9mm x 3.42mm BGA) 4.32mm (15mm × 11.25mm × 4.32mm LGA) 4.92mm (15mm x 11.25mm x 4.92mm BGA) 4.92mm (15mm x 9mm x 4.92mm BGA)	no	no yes	Gold Lead Matte Tin SAC305 Tin-Lead
LTC3603	1	4.5	15	2.5	75	yes	yes	4x4 QFN-20,MS-16E	2.5A, 15V, Monolithic Synchronous Step-Down Regulator	3000	0.6	14.85	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.2	4.5		300kHz - 3MHz	300kHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD File	DC1442A,DC1445A	no	no	2009-01-15	$3.25 (LTC3603EMSE)	Internal Power Switch Buck,Micropower Buck Regulators	16mm² (4x4 QFN-20),19.8mm² (MS-16E)	0.75mm (4x4 QFN-20),1.1mm (MS-16E)	no	yes	Matte Tin,Lead
LTC3607	2	4.5	15	0.6	35	yes	yes	3x3 QFN-16,MS-16E	Dual 600mA 15V Monolithic Synchronous Step-Down	4000	0.6	15	Burst Mode, Power Good, External Synchronization, 100% Duty Cycle	0.1	1	2		1MHz to 4MHz	Constant Frequency Current Mode	no		no		E,I	Buck	Buck	Buck	0.6	0.6		-						LTspice File,LTpowerCAD File	DC1596A,DC1847A	no	no	2013-08-07	$2.35 (LTC3607EUD)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 QFN-16),19.8mm² (MS-16E)	0.75mm (3x3 QFN-16),1.1mm (MS-16E)	no	no	Matte Tin
LTC3612	1	2.25	5.5	3	70	yes	yes	3x4 QFN-20,TSSOP-20	3A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter	4000	0.6	5.5	Burst Mode, DDR Mode, Active Voltage Positioning, 100% Duty Cycle	0.1	6	1.5	Up to 4MHz	Up to 4MHz	Constant Frequency Current Mode	no		no	1	E,I,H,MP	Buck		-				-						LTspice File,LTpowerCAD File	DC1310A,DC1574A	no	no	2009-07-28	$3.10 (LTC3612EUDC)	DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	12mm² (3x4 QFN-20),42.2mm² (TSSOP-20)	0.75mm (3x4 QFN-20),1.2mm (TSSOP-20)	no	yes	Matte Tin
LTC3614	1	2.25	5.5	4	75	yes	yes	3x5 QFN-24	4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter	4000	0.6	5.5	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	0.1	9		Up to 4MHz		Constant Frequency Current Mode	no		no	1	E,I,H,MP	Buck		-				-						LTspice File,LTpowerCAD File	DC1467A	no	no	2010-04-01	$3.45 (LTC3614EUDD)	DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	15mm² (3x5 QFN-24)	0.75mm (3x5 QFN-24)	no	yes	Matte Tin,Lead
LTC3602	1	4.5	10	2.5	75	yes	yes	4x4 QFN-20,TSSOP-16	2.5A, 10V, Monolithic Synchronous Step-Down Regulator	3000	0.6	10	Burst Mode, External Synchronization, Resistor Set Frequency, Power Good	.2	4.5		300kHz - 3MHz	300kHz - 3MHz		no		no		E,I	Buck												LTspice File,LTpowerCAD File	DC1015A	no	no	2008-02-12	$4.00 (LTC3602EUF)	Internal Power Switch Buck,Micropower Buck Regulators	16mm² (4x4 QFN-20),32.6mm² (TSSOP-16)	0.75mm (4x4 QFN-20),1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LTC3569	3	2.5	5.5	1.2	22	yes	yes	3x3 QFN-20,3x4 QFN-20,TSSOP-16	Triple Buck Regulator with 1.2A and Two 600mA Outputs	2250	0.425	5.5	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle	0.1	2	2	1MHz - 3MHz	1.2MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	0.6	0.425	5.5	Buck	0.6	0.425	5.5			LTspice File	DC1340A	no	no	2009-01-05	$3.10 (LTC3569EUD)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 QFN-20),12mm² (3x4 QFN-20),32.6mm² (TSSOP-16)	0.75mm (3x4 QFN-20),0.75mm (3x3 QFN-20),1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LTC3564	1	2.5	5.5	1.25	20	yes	yes	2x3 DFN-6,SOT-23	100% Duty Cycle	2250	0.6	5.5	Burst Mode, 100% Duty Cycle	0.1	2	2			Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC1158A,DC1343A	no	no	2008-06-11	$1.95 (LTC3564EDCB)	Internal Power Switch Buck,Micropower Buck Regulators	6mm² (2x3 DFN-6),8.1mm² (SOT-23)	0.75mm (2x3 DFN-6),1mm (SOT-23)	no	no	Matte Tin
LTC3565	1	2.5	5.5	1.25	40	yes	yes	3x3 DFN-10,MS-10E	100% Duty Cycle	4000	0.6	5.5	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle	0.1	2.1	2	400kHz - 4MHz	400kHz - 4MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD File	DC1159A	no	no	2009-01-07	$2.00 (LTC3565EDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LTC3568	1	2.5	5.5	1.8	62	yes	yes	3x3 DFN-10	Selectable Burst Mode Operation	4000	0.8	5	Burst Mode, External Synchronization, 100% Duty Cycle	0.1	3			0.4MHz - 4MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD File	DC1206A	no	no	2007-04-26	$2.95 (LTC3568EDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10)	0.75mm (3x3 DFN-10)	no	yes	Matte Tin
LTC3615	2	2.25	5.5	3	130	yes	yes	4x4 QFN-24,TSSOP-24	Selectable 0°/90°/180° (LTC3615) or 140°/180° (LTC3615-1)	4000	0.6	5.5	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Anti-Phase Switching, DDR Mode, 100% Duty Cycle	0.1	6		Up to 4MHz	Up to 4MHz	Constant Frequency Current Mode	no		yes	2	E,I,H,MP	Buck	Buck	Buck	3	0.6		-						LTspice File,LTpowerCAD File	DC1435A,DC1572A	no	no	2010-04-21	$3.95 (LTC3615EUF-1)	DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	16mm² (4x4 QFN-24),50.6mm² (TSSOP-24)	0.75mm (4x4 QFN-24),1.2mm (TSSOP-24)	no	yes	Matte Tin,Lead
LTC3616	1	2.25	5.5	6	75	yes	yes	3x5 QFN-24	6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter	4000	0.6	5.5	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, DDR Mode, 100% Duty Cycle	0.1	12		Up to 4MHz	Up to 4MHz	Constant Frequency Current Mode	no		no	1	E,I,H,MP	Buck		-				-						LTspice File,LTpowerCAD File	DC1461A	no	no	2010-02-16	$3.80 (LTC3616EUDD)	DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	15mm² (3x5 QFN-24)	0.75mm (3x5 QFN-24)	no	yes	Matte Tin
LTC3630	1	4	65	0.5	12	yes	yes	5x3 DFN-16,MS-16E	65V 500mA Step-Down Converter, Prog 1.8V/3.3V/5V/Adj VOUT		0.8	65	Burst Mode, 100% Duty Cycle	5	1.2	1			Hysteretic Mode Control	no		no	12	E,I,H,MP	Buck		-				-						LTspice File	DC2105A-B	no	no	2012-05-09	$3.20 (LTC3630EDHC)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	15mm² (5x3 DFN-16),19.8mm² (MS-16E)	0.75mm (5x3 DFN-16),1.1mm (MS-16E)	no	yes	Matte Tin
LTC3630A	1	4	76	0.5	12	yes	yes	5x3 DFN-16,MS-16E	76V 500mA Step-Down Converter, Prog 1.8V/3.3V/5V/Adj VOUT		0.8	76	100% Duty Cycle, Burst Mode, Fixed Output	5	1.2	1			Hysteretic Mode Control	no		no	1	E,I,H,MP	Buck		-				-						LTspice File	DC2105A-A,DC1877A	no	no	2013-05-29	$3.30 (LTC3630AEDHC)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	15mm² (5x3 DFN-16),19.8mm² (MS-16E)	0.75mm (5x3 DFN-16),1.1mm (MS-16E)	no	yes	Matte Tin
LTC3631	1	4.5	45	0.1	12	yes	yes	3x3 DFN-8,MS-8	60V Transient Protection, 100% Duty Cycle		0.8	45	Burst Mode, 100% Duty Cycle	3	0.225	1			Variable Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC1499A	no	no	2009-04-28	$2.95 (LTC3631EMS8E-5)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8),14.7mm² (MS-8)	0.75mm (3x3 DFN-8),1.1mm (MS-8)	no	yes	Matte Tin
LTC3632	1	4.5	50	0.02	12	yes	yes	3x3 DFN-8,MS-8	60V Transient Protection, 100% Duty Cycle		0.8	50	Burst Mode, Overvoltage Protection, 100% Duty Cycle	3	0.05	1			Variable Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC1507A	no	no	2009-05-08	$2.45 (LTC3632EDD)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8),14.7mm² (MS-8)	0.75mm (3x3 DFN-8),1.1mm (MS-8)	no	yes	Matte Tin
LTC3624	1	2.7	17	2	3.5	yes	yes	3x3 DFN-8,MS-12E	3.5uA IQ, LTC3621-X Offer 1MHz/2.25MHz or 3.3V/5V Fixed Vout	2250	0.6	17	Burst Mode, 100% Duty Cycle, External Synchronization	0.1	3	1.5	1MHz or 2.25MHz		Constant Frequency Current Mode	no		no	1	E,I,H	Buck	Buck	-				-						LTspice File,LTpowerCAD File	DC2005A,DC2359A	yes	no	2014-02-03	$2.95 (LTC3624EDD-5)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8),19.8mm² (MS-12E)	0.75mm (3x3 DFN-8),1.1mm (MS-12E)	no	yes	Matte Tin
LTC3622	2	2.7	17	1	5	yes	yes	4x3 DFN-14,MS-16	IQ = 5μA, LTC3622 1MHz, LTC3622-2 2.2MHz, -23/25 Fixed Vout 3.3/5V	2200	0.6	17	Burst Mode, 100% Duty Cycle, External Synchronization,	0.1	1.8	1.5	1MHz (LTC3622) or 2.25MHz (LTC3622-2) Fixed	500kHz - 3.3MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck	Buck	Buck	1	0.6	17							LTspice File,LTpowerCAD File	DC2003A,DC2004A	yes	no	2014-06-03	$3.75 (LTC3622EMSE)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	12mm² (4x3 DFN-14),19.8mm² (MS-16)	0.75mm (4x3 DFN-14),1.1mm (MS-16)	no	yes	Matte Tin
LTC3619	2	2.5	5.5	0.8	50	yes	yes	3x3 DFN-10,MS-10E	400mA/800mA Synchronous Step-Down	2250	0.6	5	Programmable Input Current Limit, Burst Mode, Power Good, 100% Duty Cycle	0.1	1.6	3			Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	0.4	0.6		-						LTspice Model	DC1489A-A	no	no	2009-09-22	$2.25 (LTC3619EDD)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck,Supercapacitor Chargers	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LTC3620	1	2.9	5.5	0.015	18	yes	yes	2x2 DFN-8	Ultralow Power 15mA Synchronous Step-Down		0.6	5.5	Burst Mode	0.01	0.035	2			Variable Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice File	DC1460A	no	no	2009-08-13	$1.95 (LTC3620EDC-1)	Internal Power Switch Buck,Micropower Buck Regulators	4mm² (2x2 DFN-8)	0.75mm (2x2 DFN-8)	no	no	Matte Tin
LTC3621	1	2.7	17	1	3.5	yes	yes	2x3 DFN-6,MS-8	3.5uA IQ, LTC3621-X Offer 1MHz/2.25MHz or 3.3V/5V Fixed Vout	2250	0.6	17	Burst Mode, Power Good, 100% Duty Cycle	0.1	1.6	1.5	1MHz (LTC3621) or 2.25MHz (LTC3621-2) Fixed		Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD File	DC1863A,DC1864A	yes	no	2013-03-19	$2.55 (LTC3621EDCB-25)	Internal Power Switch Buck,Micropower Buck Regulators	6mm² (2x3 DFN-6),14.7mm² (MS-8)	0.75mm (2x3 DFN-6),1.1mm (MS-8)	no	yes	Matte Tin,Lead
LTC3563	1	2.5	5.5	0.5	26	yes	yes	2x2 DFN-6	Selectable Output Voltage	2250	1.28	1.87	Fixed Output, Burst Mode, 100% Duty Cycle	0.1	1	2			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model	-	no	no	2007-02-06	$1.60 (LTC3563EDC)	Internal Power Switch Buck,Micropower Buck Regulators	4mm² (2x2 DFN-6)	0.75mm (2x2 DFN-6)	no	no	Lead,Matte Tin
LTC3560	1	2.5	5.5	0.8	16	yes	yes	SOT-23	100% Duty Cycle	2250	0.6	5.5	Burst Mode, External Synchronization, 100% Duty Cycle	0.1	1.5	3		1MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC1025A	no	no	2006-12-14	$1.90 (LTC3560ES6)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	yes	Lead,Matte Tin
LTC3419	2	2.5	5.5	0.6	35	yes	yes	3x3 DFN-8,MS-10	Dual 600mA Buck, LTC3419-1 Fixed 1.575/1.8Vout	2250	0.6	5.5	Burst Mode, 100% Duty Cycle	0.1	1.2	2			Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	0.6	0.6		-						LTspice File,LTpowerCAD Model	DC1128A	no	no	2007-04-26	$1.95 (LTC3419EDD-1)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 DFN-8),14.7mm² (MS-10)	0.75mm (3x3 DFN-8),1.1mm (MS-10)	no	yes	Matte Tin
LTC3446	3	2.7	5.5	1	50	yes	yes	4x3 DFN-14	1A Buck Regulator with Dual 600mA VLDO Regulators	2250	0.8	5.5	LDO, Power Good, Burst Mode	1	1.55	2			Constant Frequency Current Mode	no		no	1	E,I	Buck, LDO, LDO	Buck	LDO	0.3	0.4	5.432	LDO	0.3	0.4	5.432			LTspice Model	DC893A	no	no	2006-09-12	$2.75 (LTC3446EDE)	Buck Regulator Plus LDO,Internal Power Switch Buck,Micropower Buck Regulators,Multitopology DC/DC	12mm² (4x3 DFN-14)	0.75mm (4x3 DFN-14)	no	yes	Lead,Matte Tin
LTC3447	1	2.5	5.5	0.6	33	yes	yes	3x3 DFN-10	I2C Controllable Buck Regulator	1000	0.69	2.05	I2C Control, Burst Mode	0.1	1	3			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						-	DC767A	no	no	2005-06-24	$1.95 (LTC3447EDD)	Digitally Programmable Regulators,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10)	0.75mm (3x3 DFN-10)	no	no	Lead,Matte Tin
LTC3448	1	2.5	5.5	0.6	32	yes	yes	3x3 DFN-8,MS-8	LDO Mode for Low Noise Operation	2250	0.6	5.2	-	0.1	1	2.5			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice File	DC840A	no	no	2005-06-17	$2.05 (LTC3448EDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8),14.7mm² (MS-8)	0.75mm (3x3 DFN-8),1.1mm (MS-8)	no	no	Lead,Matte Tin
LTC3417A-2	2	2.25	5.5	1.5	125	yes	yes	5x3 DFN-16,TSSOP-20	LTC3417A-2 Offers PGOOD	1500	0.8	5.5	Anti-Phase Switching, Burst Mode, External Synchronization, Resistor Set Frequency, Power Good, 100% Duty Cycle	0.01	2.5		600kHz - 4MHz	600kHz - 4MHz	Constant Frequency Current Mode	no		yes	2	E,I	Buck	Buck	Buck	1	.8		-						LTspice Model,LTpowerCAD File	DC1336A	no	no	2005-11-10	$2.93 (LTC3417AEDHC-2)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	15mm² (5x3 DFN-16),42.2mm² (TSSOP-20)	0.75mm (5x3 DFN-16),1.2mm (TSSOP-20)	no	yes	Matte Tin
LTC3417A	2	2.25	5.5	1.5	125	yes	yes	5x3 DFN-16,TSSOP-20	LTC3417A Offers Improved Channel Matching	4000	0.8	5.5	Anti-Phase Switching, Resistor Set Frequency, Burst Mode, Power Good, 100% Duty Cycle	0.1	2.5		600kHz - 4MHz		Constant Frequency Current Mode	no		yes	2	E,I	Buck	Buck	Buck	1	.8		-						LTspice Model,LTpowerCAD File	-	no	no	2005-11-10	$3.37 (LTC3417AIDHC-1)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	15mm² (5x3 DFN-16),42.2mm² (TSSOP-20)	0.75mm (5x3 DFN-16),1.2mm (TSSOP-20)	no	yes	Lead,Matte Tin
LTC3411A	1	2.5	5.5	1.25	40	yes	yes	3x3 DFN-10,MS-10	1.25A, 4MHz, Synchronous Step-Down	4000	0.8	5.5	Burst Mode, External Synchronization, Resistor Set Frequency, Power Good, 100% Duty Cycle	0.1	2.1	2	Up to 4MHz	400kHz to 4MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD File	DC1176A	no	no	2002-04-05	$2.00 (LTC3411AEDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10)	0.75mm (3x3 DFN-10),1.1mm (MS-10)	no	yes	Matte Tin
LTC3412A	1	2.25	5.5	3	64	yes	yes	4x4 QFN-16,TSSOP-16	3A, 4MHz, Monolithic Synchronous Step-Down	4000	0.8	5.5	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle	0.02	6		300kHz - 4MHz	300kHz - 4MHz	Constant Frequency Current Mode	no				E,I,MP	Buck		-				-						LTspice File,LTpowerCAD File	DC652A	no	no	2002-07-11	$3.45 (LTC3412AEFE)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	16mm² (4x4 QFN-16),32.6mm² (TSSOP-16)	0.75mm (4x4 QFN-16),1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LTC3414	1	2.3	5.5	4	64	yes	yes	TSSOP-20	Synchronous, 100% Duty Cycle	4000	0.8	5.5	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle	0.02	8		300kHz - 4MHz	300kHz - 4MHz	Constant Frequency Current Mode	no				E,I,MP	Buck		-				-						LTspice Model,LTpowerCAD File	DC556A	no	no	2003-04-18	$4.25 (LTC3414EFE)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	42.2mm² (TSSOP-20)	1.2mm (TSSOP-20)	no	yes	Lead,Matte Tin
LTC3520	2	2.2	5.5	1	55	yes	yes	4x4 QFN-24	Dual Output-Synchronous 1A Buck-Boost and a 600mA Buck	2000	0.8	5.25	Burst Mode, Resistor Set Frequency, Sequencing, LDO, Output Disconnect, 100% Duty Cycle	0.01		2.4	100kHz - 2MHz		Constant Frequency Current Mode	no		no	1	E,I	Buck-Boost, Buck, LDO	Buck	Buck-Boost	.6	0.8	5.25	-						LTspice Model	DC1062A	no	no	2007-08-23	$3.50 (LTC3520EUF)	Internal Power Switch Buck,Internal Power Switch Buck-Boost,Micropower Buck Regulators,Multitopology DC/DC	16mm² (4x4 QFN-24)	0.75mm (4x4 QFN-24)	no	yes	Matte Tin
LTC3522	2	2.4	5.5	0.4	25	yes	yes	3x3 QFN-16	Dual Output Synchronous 400mA Buck-Boost and 200mA Buck	1000	2.2	5.25	Burst Mode, Power Good, Output Disconnect, 100% Duty Cycle	0.01		2			Constant Frequency Current Mode	no		no	1	E	Buck-Boost, Buck	Buck	Buck-Boost	.2	0.6	5.5	-						LTspice Model	DC1177A	no	no	2007-05-21	$2.50 (LTC3522EUD)	Internal Power Switch Buck,Internal Power Switch Buck-Boost,Micropower Buck Regulators,Multitopology DC/DC	9mm² (3x3 QFN-16)	0.75mm (3x3 QFN-16)	no	no	Matte Tin
LTC3548-2	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10	29ms POR Delay, LTC3548-2 Fixed 1.2V/Adj. Vout	2250	0.6	5.5	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	1.2	2			Constant Frequency Current Mode	no		no	1	E	Buck	Buck	Buck	0.4	1.8		-						LTspice Model	-	no	no	2005-03-18	$2.60 (LTC3548EDD-2)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 DFN-10)	0.75mm (3x3 DFN-10)	no	no	Lead,Matte Tin
LTC3548A	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,MS-10E	LTC3548A Improved ESD, Burst Mode, 116ms POR Delay	2250	0.6	5	Burst Mode, External Synchronization, 100% Duty Cycle	0.1	1.2	2		1.8MHz - 2.7MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	0.4	0.6		-						LTspice Model	-	no	no	2005-03-18	$2.60 (LTC3548AEDD)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LTC3549	1	1.6	5.5	0.25	50	yes	yes	2x3 DFN-6	100% Duty Cycle	2250	0.611	5.5	Burst Mode, 100% Duty Cycle	0.1	0.45	2			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice File,LTpowerCAD File	DC992A	no	no	2006-09-21	$1.44 (LTC3549EDCB)	Internal Power Switch Buck,Micropower Buck Regulators	6mm² (2x3 DFN-6)	0.75mm (2x3 DFN-6)	no	no	Matte Tin
LTC3548-1	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,3x3 UTDFN-10	29ms POR Delay, LTC3548-1 Fixed 1.8V/1.575Vot	2250	1.575	1.8	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	1.2	2			Constant Frequency Current Mode	no		no	1	E	Buck	Buck	Buck	0.4	1.8		-						LTspice Model	-	no	no	2005-03-18	$2.60 (LTC3548EDD-1)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 UTDFN-10),9mm² (3x3 DFN-10)	0.55mm (3x3 UTDFN-10),0.75mm (3x3 DFN-10)	no	no	Lead,Matte Tin
LTC3547	2	2.5	5.5	0.3	40	yes	yes	3x2 DFN-8	Dual Monolithic 300mA Synchronous Step-Down	2250	0.6	5.5	Fixed Output, 100% Duty Cycle	0.1	0.55	2			Constant Frequency Current Mode	no		no	1	E	Buck	Buck	Buck	0.3	0.6		-						LTspice File,LTpowerCAD File	DC1013A	no	no	2006-09-12	$1.95 (LTC3547EDDB-1)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	6mm² (3x2 DFN-8)	0.75mm (3x2 DFN-8)	no	no	Lead,Matte Tin
LTC3542	1	2.5	5.5	0.5	26	yes	yes	2x2 DFN-6,SOT-23	LTC3542-1 Has Fixed 2.8V Output	2250	0.6	5.5	External Synchronization, Burst Mode, 100% Duty Cycle	0.1	1	2		1MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC993A	no	no	2006-10-12	$1.60 (LTC3542EDC)	Internal Power Switch Buck,Micropower Buck Regulators	4mm² (2x2 DFN-6),8.1mm² (SOT-23)	0.75mm (2x2 DFN-6),1mm (SOT-23)	no	yes	Lead,Matte Tin
LTC3543	1	2.5	5.5	0.6	45	yes	yes	2x3 DFN-6	Spread Spectrum	2250	0.6	5.5	Burst Mode, External Synchronization, PLL, Spread Spectrum, 100% Duty Cycle	0.1	1	2		1MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model	DC1008A	no	no	2006-12-19	$1.95 (LTC3543EDCB)	Internal Power Switch Buck,Micropower Buck Regulators	6mm² (2x3 DFN-6)	0.75mm (2x3 DFN-6)	no	no	Matte Tin
LTC3545	3	2.25	5.5	0.8	58	yes	yes	3x3 QFN-16	Triple 800mA Synchronous Step-Down Regulator	2250	0.6	5.5	Burst Mode, External Synchronization, Power Good, 100% Duty Cycle	0.1	1.3	2		1MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	0.8	0.6	5.5	Buck	.8	0.6	5.5			LTspice File	DC1193A-A,DC1193A-B	no	no	2008-01-18	$3.10 (LTC3545EUD-1)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 QFN-16)	0.75mm (3x3 QFN-16)	no	yes	Matte Tin
LTC3637	1	4	76	1	12	yes	no	5x3 DFN-16,MS-16E	100% Duty Cycle		0.8	76	Burst Mode, 100% Duty Cycle, Programmable Output Current Limit	3	2.4	1			Hysteretic Mode Control	no		no		E,I,H,MP	Buck		-				-						LTspice Model	DC2056A	no	no	2013-12-20	$3.20 (LTC3637EDHC)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	15mm² (5x3 DFN-16),19.8mm² (MS-16E)	0.75mm (5x3 DFN-16),1.1mm (MS-16E)	no	no	Matte Tin
LTC3638	1	4	140	0.25	12	yes	no	MS-16E	100% Duty Cycle		0.8	140	Burst Mode, 100% Duty Cycle, Pin Selectable Output Voltage	1.4	0.575	1			Hysteretic Mode Control	no		no		E,I,H,MP	Buck	Buck	-				-						LTspice File	DC2057A	no	no	2014-01-15	$3.65 (LTC3638EMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	no	Matte Tin
LTC3892 (dual output)	2	4.5	60	15	34	no	yes	5x5 QFN-32	60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM	900	0.8	59.4	Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power Good	3.6	15	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck	Buck	Buck	15	0.8	59.4							LTspice File,LTpowerCAD Model	DC1998A,DC2190A-A,DC2190A-B,DC2493A	no	yes	2015-04-01	$4.94 (LTC3892EUH)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC3892 (single output)	1	4.5	60	30	34	no	yes	5x5 QFN-32	60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM	900	0.8	59.4	Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power Good	3.6	30	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck	Buck			0.8	59.4							LTspice File,LTpowerCAD Model	DC1998A,DC2190A-A,DC2190A-B,DC2493A	no	yes	2015-04-01	$4.94 (LTC3892EUH)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC3892-1	2	4.5	60	25	34	no	yes	TSSOP-28	60V Low IQ, Dual, 2-Phase Synch Buck Controller, Fixed ILIM	900	0.8	59.4	Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking	3.6	25	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck	Buck	Buck	25	0.8	59.4							LTspice File,LTpowerCAD Model	DC1998A,DC2190A-A,DC2190A-B,DC2493A	no	yes	2015-04-01	$4.82 (LTC3892EFE-1)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	62.7mm² (TSSOP-28)	1.2mm (TSSOP-28)	no	yes	Matte Tin
LTC3892-2	2	4.5	60	25	34	no	yes	5x5 QFN-32	60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM, Pulse Skip	900	0.8	59.4	Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking	3.6	25	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck	Buck	Buck	25	0.8	59.4							LTspice File,LTpowerCAD Model	DC1998A,DC2190A-A,DC2190A-B,DC2493A	no	yes	2015-04-01	$4.94 (LTC3892EUH-2)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC3891	1	4	60	15	50	no	yes	3x4 QFN-20,TSSOP-20	50μA IQ, 60V Synchronous Step-Down Controller	900	0.8	24	DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good	14	15	1	50kHz - 900kHz	75kHz - 750kHz	Constant Frequency Current Mode	no	Rsense, DCR	no	1	E,I,H,MP	Buck		-										LTspice File,LTpowerCAD File	DC1940A,DC1695B	no	no	2010-10-15	$3.47 (LTC3891EUDC)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators	12mm² (3x4 QFN-20),42.2mm² (TSSOP-20)	0.75mm (3x4 QFN-20),1.2mm (TSSOP-20)	no	yes	Matte Tin
LTC3890-3	2	4	60	15	50	no	yes	SSOP-28	LTC3890-3 Pulse Skipping, Can Make Boost/SEPIC	900	0.8	24	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	14	15	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck	Buck	Buck	15	0.8								LTspice File,LTpowerCAD Model	DC2299A-A	no	no	2013-01-23	$4.47 (LTC3890EGN-3)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	61.9mm² (SSOP-28)	1.75mm (SSOP-28)	no	yes	Matte Tin
LTC3890	2	4	60	15	60	no	yes	5x5 QFN-32	LTC3890 Adj. Current Limit, Multi-Phase, Current Limit Foldback	900	0.8	24	Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good, PolyPhase	14	15	1	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck	Buck	Buck	15	0.8								LTspice File,LTpowerCAD File	DC2236A-B	yes	no	2010-02-25	$4.59 (LTC3890EUH)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC3890-1	2	4	60	15	60	no	yes	SSOP-28	LTC3890-1 No Multi-Phase, Current Limit Foldback, Forced Continuous	900	0.8	24	Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhase	14	15	1	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck	Buck	Buck	15	0.8								LTspice File,LTpowerCAD File	DC1244A,DC2299A-B	no	no	2010-02-25	$4.47 (LTC3890EGN-1)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	61.9mm² (SSOP-28)	1.75mm (SSOP-28)	no	yes	Matte Tin
LTC3890-2	2	4	60	15	50	no	yes	5x5 QFN-32	LTC3890-2 Adj. Current Limit, Multi-Phase, Pulse Skip, Can Make Boost/SEPIC	900	0.8	24	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	14	15	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	no	2	E,I,H,MP	Buck	Buck	Buck	15	0.8								LTspice File,LTpowerCAD File	DC2236A-A	no	no	2012-11-13	$4.59 (LTC3890EUH-2)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC3895	1	4	140	10	40	no	yes	TSSOP-38	150V Low IQ, Synchronous Step-Down DC/DC Controller	900	0.8	60	Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good	10	25	1.5	50kHz to 900kHz	75kHz to 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	no	1	E,I,H	Buck	Buck											LTspice Model,LTpowerCAD Model	DC2117A	yes	yes	2016-03-23	$4.70 (LTC3895EFE)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators	62.7mm² (TSSOP-38)	1.2mm (TSSOP-38)	no	yes	Matte Tin
LTC3899	3	4.5	60	15	39	no	yes	5x7 QFN-38,TSSOP-38	60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller	900	0.8	59.4	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking	3.6	15	1.5	75kHz - 850kHz	50kHz - 900kHz	Constant Frequency Current Mode	no	Rsense, DCR	no	1	E,I,H,MP	Buck, Buck, Boost	Buck	Buck	15	0.8	59.4	Boost		1.2	60			LTspice Model	DC1898A	no	no	2015-02-02	$4.95 (LTC3899EUHF)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck,Multitopology DC/DC	35mm² (5x7 QFN-38),62.7mm² (TSSOP-38)	0.75mm (5x7 QFN-38),1.2mm (TSSOP-38)	no	yes	Matte Tin
LTM8031	1	3.6	36	1	60	yes	no	15mm × 9mm × 2.82mm LGA	Ultralow Noise EMC Compliant 36V, 1A DC/DC uModule Regulator	2400	0.8	10	Low EMI, EN55022 Class B Certified, Burst Mode, Resistor Set Frequency, External Synchronization, PolyPhase, Power Good	1	1.5		200kHz - 2.4MHz	250kHz - 2MHz	Constant Frequency Current Mode	yes		yes	2	E,I,MP	Buck	Buck	-										LTspice File,LTpowerCAD Model	DC1597A	no	no	2009-10-07	$9.95 (LTM8031EV)	Extended Temperature (H & MP) uModule Regulators,Micropower Buck Regulators,Ultralow Noise Regulators,uModule Buck Regulators	135mm² (15mm × 9mm × 2.82mm LGA)	2.82mm (15mm × 9mm × 2.82mm LGA)	no	no	Gold
LTM8032	1	3.6	36	2	25	yes	no	15mm × 9mm × 2.82mm LGA,15mm x 9mm x 3.42mm BGA	Ultralow Noise EMC Compliant 36V, 2A DC/DC uModule	2400	0.8	10	Low EMI, EN55022 Class B Certified, Burst Mode, Resistor Set Frequency, External Synchronization, PolyPhase	1	3		200kHz - 2.4MHz	250kHz - 2MHz	Constant Frequency Current Mode	yes		yes	2	E,I,MP	Buck	Buck	-										LTspice File,LTpowerCAD Model	DC1386B	no	no	2009-02-10	$10.95 (LTM8032EV)	Extended Temperature (H & MP) uModule Regulators,Micropower Buck Regulators,Ultralow Noise Regulators,uModule Buck Regulators	135mm² (15mm x 9mm x 3.42mm BGA),135mm² (15mm × 9mm × 2.82mm LGA)	2.82mm (15mm × 9mm × 2.82mm LGA),3.42mm (15mm x 9mm x 3.42mm BGA)	no	no	Gold,SAC305,Tin-Lead
LTM8033	1	3.6	36	3	75	yes	no	15mm × 11.25mm × 4.32mm LGA,15mm x 11.25mm x 4.92mm BGA	Ultralow Noise EMC Compliant 36VIN, 3A DC/DC μModule Regulator	2400	0.8	24	Low EMI, EN55022 Class B Certified, Burst Mode, Resistor Set Frequency, External Synchronization, PolyPhase	0.01	4		200kHz - 2.4MHz	200kHz - 2MHz	Constant Frequency Current Mode	yes		yes	2	E,I,MP	Buck	Buck	-										LTspice File,LTpowerCAD Model	DC1623A	yes	no	2010-07-09	$11.95 (LTM8033EV)	Extended Temperature (H & MP) uModule Regulators,Micropower Buck Regulators,Ultralow Noise Regulators,uModule Buck Regulators	168.8mm² (15mm x 11.25mm x 4.92mm BGA),168.8mm² (15mm × 11.25mm × 4.32mm LGA)	4.32mm (15mm × 11.25mm × 4.32mm LGA),4.92mm (15mm x 11.25mm x 4.92mm BGA)	no	no	Gold,SAC305,Tin-Lead
LTM8050	1	3.6	58	2	35	yes	no	15mm x 9mm x 4.92mm BGA	58V, 2A Step-Down μModule Regulator	2400	0.8	24	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.01	4		100kHz to 2.4MHz	100kHz to 2.4MHz	Constant Frequency Current Mode	yes		no	1	E,I,MP	Buck	Buck	-										LTspice File	DC1723A	no	no	2013-07-31	$14.00 (LTM8050EY)	Extended Temperature (H & MP) uModule Regulators,High Input Voltage Buck,Micropower Buck Regulators,uModule Buck Regulators	135mm² (15mm x 9mm x 4.92mm BGA)	4.92mm (15mm x 9mm x 4.92mm BGA)	no	no	SAC305,Tin-Lead
LTM8029	1	4.5	36	0.6	5	yes	no	11.25mm x 6.25mm 3.42mm BGA	36Vin, 600mA Step-Down uModule Converter with 5uA Quiescent Current	2200	1.2	18	Burst Mode, Resistor Set Frequency, Power Good	0.9	1		200kHz - 2.2MHz		Constant Frequency Current Mode	yes		no	1	E,I,MP	Buck	Buck	-										LTspice File,LTpowerCAD Model	DC1724A	no	no	2012-03-21	$6.60 (LTM8029EY)	Extended Temperature (H & MP) uModule Regulators,Micropower Buck Regulators,uModule Buck Regulators	70.3mm² (11.25mm x 6.25mm 3.42mm BGA)	3.42mm (11.25mm x 6.25mm 3.42mm BGA)	no	no	SAC305,Tin-Lead
LTM8020	1	4	36	0.2	10	yes	no	6.25mm x 6.25mm x 2.32mm LGA	EN55022B Compliant 36Vin, 200mA, DC/DC µModule	450	1.2	5	Low EMI, EN55022 Class B Certified	1	0.5				Constant Frequency Current Mode	yes		no	1	E,I,MP	Buck	Buck	-										LTspice File	DC1194A	no	no	2007-10-29	$4.95 (LTM8020EV)	Extended Temperature (H & MP) uModule Regulators,Micropower Buck Regulators,Ultralow Noise Regulators,uModule Buck Regulators	39.1mm² (6.25mm x 6.25mm x 2.32mm LGA)	2.32mm (6.25mm x 6.25mm x 2.32mm LGA)	no	no	Gold
LTC7138	1	4	140	0.4	12	yes	no	MS-16E	High Efficiency, 140V 400mA Step-Down Regulator		0.8	140	Burst Mode, Programmable Output Current Limit, 100% Duty Cycle, Fixed Output	1.4	0.610	1			Hysteretic Mode Control	no		no	1	E,I,H,MP	Buck	Buck											LTspice File	DC2172A	yes	no	2015-01-09	$3.80 (LTC7138EMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LTC7812	2	2.5	38	20	33	no	yes	5x5 QFN-32	Low IQ, 38V Synchronous Boost+Buck Controller	850	0.8	60	Burst Mode, External Synchronization, Resistor Set Frequency, Tracking	10	25	1.5	115kHz - 835kHz	75kHz - 850kHz	Constant Frequency Current Mode		Rsense, DCR	no		E,I,H	Boost, Buck	Buck	Boost	20		24							LTpowerCAD File,LTspice Model	DC2422A-A,DC2422A-B,DC2422A-C	no	yes	2015-10-08	$4.00 (LTC7812EUH)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,External Power Switch Buck-Boost,Micropower Buck Regulators,Multitopology DC/DC	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC7813	2	2.2	60	20	34	no	yes	5x5 QFN-32	Low IQ, 60V Synchronous Boost+Buck Controller	850	0.8	60	Burst Mode, External Synchronization, Resistor Set Frequency, Tracking	3.6	25	1.5	115kHz - 835kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	no	1	E,I,H,MP	Boost, Buck	Boost	Buck	20									LTspice Model,LTpowerCAD Model	DC2435A-A,DC2435A-B,DC2435A-C	no	yes	2016-03-16	$4.82 (LTC7813EUH)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,External Power Switch Buck-Boost,High Input Voltage Buck,Micropower Buck Regulators,Multitopology DC/DC	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC3868-1	2	4	24	25	170	no	yes	4x5 QFN-28,SSOP-28	300μA IQ, Dual 2-Phase Synch Buck, LTC3868-1 Fixed Current Limit, One PGOOD	850	0.8	14	Burst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good	0.01	25	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I	Buck	Buck	Buck	25	.8								LTspice Model,LTpowerCAD Model	-	no	no	2009-07-28	$2.59 (LTC3868EGN-1)	External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck	20mm² (4x5 QFN-28),61.9mm² (SSOP-28)	0.75mm (4x5 QFN-28),1.75mm (SSOP-28)	no	no	Matte Tin
LTC3868	2	4	24	25	170	no	yes	5x5 QFN-32	300μA IQ, Dual 2-Phase Sync Buck, LTC3868 Adj Current Limit, CLKOUT, Two PGOOD	850	0.8	14	Burst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good	8	25	1.5	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I	Buck	Buck	Buck	25	.8								LTspice Model,LTpowerCAD Model	-	no	no	2009-07-28	$2.71 (LTC3868EUH)	External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	no	Matte Tin
LTC3807	1	4	38	25	50	no	yes	3x4 QFN-20,TSSOP-20	Low IQ, Synchronous Step-Down Controller with 24V Output Voltage Capability	900	0.8	24	Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good	14	25	1.5	50kHz to 900kHz	75kHz to 750kHz	Constant Frequency Current Mode	no	Rsense, DCR	no	1	E,I,H,MP	Buck	Buck											LTspice Model,LTpowerCAD File	DC2221A	no	no	2014-08-11	$2.30 (LTC3807EUDC)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,Micropower Buck Regulators	12mm² (3x4 QFN-20),42.2mm² (TSSOP-20)	0.75mm (3x4 QFN-20),1.2mm (TSSOP-20)	no	no	Matte Tin
LTC3824	1	4	60	5	40	no	no	MS-10E	High Voltage Step-Down With 40uA Quiescent Current	600	0.8	60	Burst Mode, Resistor Set Frequency, External Synchronization, 100% Duty Cycle	25	5	1.5	200kHz - 600kHz	200kHz - 600kHz	Constant Frequency Current Mode	no	Rsense	no	1	E,I,H,MP	Buck		-										LTspice File	DC960A	no	no	2006-05-26	$1.95 (LTC3824EMSE)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators	14.7mm² (MS-10E)	1.1mm (MS-10E)	no	yes	Lead,Matte Tin
LTC3826	2	4	36	25	30	no	yes	5x5 QFN-32	30uA Iq, LTC3826 Clock Out Pin, Two PGOOD Outputs	530	0.8	10	PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking	4	25	1	250kHz - 530kHz	140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	yes	2	E,I	Buck	Buck	Buck	25	0.8								LTspice File	DC1235A	no	no	2007-07-06	$5.50 (LTC3826EUH)	External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin,Lead
LTC3826-1	2	4	36	25	30	no	yes	SSOP-28	30uA Iq, LTC3826-1 No Clock Out Pin, One PGOOD	530	0.8	10	PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking	4	25	1	250kHz - 530kHz	140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	yes	2	E,I	Buck	Buck	Buck	25	0.8								LTspice Model	-	no	no	2007-07-13	$5.38 (LTC3826EG-1)	External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck	86.1mm² (SSOP-28)	2mm (SSOP-28)	no	yes	Matte Tin
LTC3801	1	2.5	9.8	5	16	no	no	SOT-23	Low Q Current, 1.5% Accurate Vref	550	0.8	9.8	Burst Mode, 100% Duty Cycle	6	5	1.5			Constant Frequency Current Mode	no	Rsense	no	1	E	Buck		-										LTspice Model	DC623A	no	no	2003-06-20	$2.01 (LTC3801ES6)	External Power Switch Buck Controllers,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3772	1	2.75	9.8	5	40	no	no	3x2 DFN-8,SOT-23	No RSENSE, 100% Duty Cycle, LTC3772 Offers Burst Mode	550	0.8	9.8	No Rsense, Burst Mode, 100% Duty Cycle	8	5	1.5			Constant Frequency Current Mode	no	None	no	1	E	Buck		-										LTspice File	DC836A	no	no	2005-03-30	$1.91 (LTC3772EDDB)	External Power Switch Buck Controllers,Micropower Buck Regulators	6mm² (3x2 DFN-8),8.1mm² (SOT-23)	0.75mm (3x2 DFN-8),1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3639	1	4	150	0.1	12	yes	yes	MS-16E	100% Duty Cycle, Pin-Strapped Fixed 1.8V/3.3V/5V or Adj VOUT		0.8	150	Burst Mode, Fixed Output, 100% Duty Cycle	1.4	0.23	1			Hysteretic Mode Control	no		no	1	E,I,H,MP	Buck		-				-						LTspice File	DC1901A	yes	no	2013-04-15	$3.65 (LTC3639EMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LTC3642	1	4.5	45	0.05	12	yes	yes	3x3 DFN-8,MS-8	60V Transient Protection, 3.3V, 5V or Adj VOUT		0.8	45	Burst Mode, 100% Duty Cycle	3	0.115	1			Variable Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC1429A	no	no	2008-11-03	$2.65 (LTC3642EMS8E-5)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8),14.7mm² (MS-8)	0.75mm (3x3 DFN-8),1.1mm (MS-8)	no	yes	Matte Tin
LTC3670	3	2.5	5.5	0.4	70	yes	yes	3x2 DFN-12	Monolithic 400mA Buck Regulator with Dual 150mA LDOs	2250	0.8	5.5	LDO, Burst Mode, Adjustable Slew Rate	1	0.8	2.5			Constant Frequency Current Mode	no		no	1	E	Buck, LDO	Buck	LDO	0.15	0.8	5.5	LDO	0.15	0.8	5.5			LTspice Model	DC1277A	no	no	2008-01-23	$1.95 (LTC3670EDDB)	Buck Regulator Plus LDO,Internal Power Switch Buck,Micropower Buck Regulators,Multitopology DC/DC	6mm² (3x2 DFN-12)	0.75mm (3x2 DFN-12)	no	no	Matte Tin
LTC3827	2	4	36	25	80	no	yes	5x5 QFN-32	80uA Iq, LTC3827 Clock Out Pin, Two PGOOD Outputs	650	0.8	10	PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good	8	25	1		140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	yes	2	E,I	Buck	Buck	Buck	25	.8								LTspice Model	-	no	no	2005-12-15	$5.10 (LTC3827EUH)	External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Lead,Matte Tin
LTC3827-1	2	4	36	25	80	no	yes	SSOP-28	80uA Iq, LTC3827-1 No Clock Out Pin, One PGOOD	650	0.8	10	PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good	8	25	1		140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	yes	2	E,I	Buck	Buck	Buck	25	0.8								LTspice Model	DC868A	no	no	2005-12-15	$5.00 (LTC3827EG-1)	External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck	86.1mm² (SSOP-28)	2mm (SSOP-28)	no	yes	Lead,Matte Tin
LTC3857-1	2	4	38	25	50	no	yes	SSOP-28	Dual 50μA IQ Buck Controller, LTC3857-1 One PGOOD, Foldback	850	0.8	24	Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good	0.01	25	1	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I	Buck	Buck	Buck	25	.8								LTspice Model,LTpowerCAD File	DC1352A-A	no	no	2009-07-28	$3.88 (LTC3857EGN-1)	External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	61.9mm² (SSOP-28)	1.75mm (SSOP-28)	no	yes	Matte Tin
LTC3859AL	3	4.5	38	25	55	no	yes	5x7 QFN-38,TSSOP-38	Triple Buck/Buck/Boost Synch Controller, Improved Burst Mode	900	0.8	24	PolyPhase, Burst Mode, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking	14	25	1	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I,H,MP	Buck, Boost	Buck	Buck	25	0.8	24	Buck		0.8	60			LTspice Model	DC2122A	no	no	2013-01-24	$4.35 (LTC3859ALEUHF)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck,Multitopology DC/DC	35mm² (5x7 QFN-38),62.7mm² (TSSOP-38)	0.75mm (5x7 QFN-38),1.2mm (TSSOP-38)	no	yes	Matte Tin,Lead
LTC3864	1	3.5	60	5	40	no	no	4x3 DFN-12,MS-12E	60V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle	850	0.8	60	100% Duty Cycle, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	7	5	1	50kHz - 850kHz	75kHz - 750kHz	Constant Frequency Current Mode	no	Rsense	no	1	E,I,H,MP	Buck		-										LTspice File,LTpowerCAD File	DC1722A,DC2434A	yes	no	2012-10-23	$2.06 (LTC3864EDE)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators	12mm² (4x3 DFN-12),19.8mm² (MS-12E)	0.75mm (4x3 DFN-12),1.1mm (MS-12E)	no	yes	Matte Tin
LTC3857	2	4	38	25	50	no	yes	5x5 QFN-32	Dual 50μA IQ Buck Controller, LTC3857 CLKOUT, Two PGOOD, Foldback	850	0.8	24	Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good	0.01	25	1	50kHz - 900kHz	75kHz - 850kHz	Constant Frequency Current Mode	no	Rsense, DCR	yes	2	E,I	Buck	Buck	Buck	25	.8								LTspice File,LTpowerCAD File	DC1381A-A	no	no	2009-07-28	$4.00 (LTC3857EUH)	External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck	25mm² (5x5 QFN-32)	0.75mm (5x5 QFN-32)	no	yes	Matte Tin
LTC3835-1	1	4	36	20	80	no	yes	5x3 DFN-16,SSOP-16	80μA IQ Step-Down Controller, LTC3835-1 Offers Smaller Package	650	0.8	10	Burst Mode, Tracking, External Synchronization, PLL	10	20	1		140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	no	1	E,I	Buck		-										LTspice File	DC965A	no	no	2006-06-29	$3.40 (LTC3835EDHC-1)	External Power Switch Buck Controllers,Micropower Buck Regulators	15mm² (5x3 DFN-16),30.9mm² (SSOP-16)	0.75mm (5x3 DFN-16),1.75mm (SSOP-16)	no	no	Lead,Matte Tin
LTC3834	1	4	36	25	30	no	yes	4x5 QFN-20,TSSOP-20	30μA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins	650	0.8	5	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	4	25	1		140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	yes	1, 2	E,I	Buck		-										LTspice Model	DC1344A	no	no	2007-11-16	$3.88 (LTC3834EFE)	External Power Switch Buck Controllers,Micropower Buck Regulators	20mm² (4x5 QFN-20),42.2mm² (TSSOP-20)	0.75mm (4x5 QFN-20),1.2mm (TSSOP-20)	no	yes	Matte Tin
LTC3834-1	1	4	36	25	30	no	yes	5x3 DFN-16,SSOP-16	30μA IQ Step-Down Controller, LTC3834-1 Offers Smaller Package	650	0.8	5	Burst Mode, External Synchronization, PLL, Tracking	4	25	1		140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	no	1, 2	E,I	Buck		-										LTspice Model	DC1346A	no	no	2007-11-16	$3.69 (LTC3834EDHC-1)	External Power Switch Buck Controllers,Micropower Buck Regulators	15mm² (5x3 DFN-16),30.9mm² (SSOP-16)	0.75mm (5x3 DFN-16),1.75mm (SSOP-16)	no	yes	Matte Tin
LTC3835	1	4	36	20	80	no	yes	4x5 QFN-20,TSSOP-20	80μA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins	650	0.8	10	Burst Mode, Tracking, External Synchronization, PLL, Power Good	10	20	1		140kHz - 650kHz	Constant Frequency Current Mode	no	Rsense	no	1	E,I	Buck		-										LTspice File	DC967B	no	no	2006-06-29	$3.55 (LTC3835EFE)	External Power Switch Buck Controllers,Micropower Buck Regulators	20mm² (4x5 QFN-20),42.2mm² (TSSOP-20)	0.75mm (4x5 QFN-20),1.2mm (TSSOP-20)	no	no	Lead,Matte Tin
LT1934	1	3.2	34	0.3	12	yes	no	2x3 DFN-6,SOT-23	LT1934 300mA Output Current		1.25	28	Burst Mode	0.01	0.4	1.6	Constant Off Time		Constant Off-Time Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC544A	no	no	2002-10-07	$2.26 (LT1934EDCB)	Internal Power Switch Buck,Micropower Buck Regulators	6mm² (2x3 DFN-6),8.1mm² (SOT-23)	0.75mm (2x3 DFN-6),1mm (SOT-23)	no	yes	Matte Tin,Lead
LTC3410-1.875	1	2.5	5.5	0.3	26	yes	yes	SC-70	Fixed 1.875 Output	2250	1.875	1.875	Fixed Output, Burst Mode, 100% Duty Cycle	0.1	0.5	2			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD Model	-	no	no	2005-12-19	$1.56 (LTC3410ESC6-1.875)	Internal Power Switch Buck,Micropower Buck Regulators	5.3mm² (SC-70)	1mm (SC-70)	no	no	Lead,Matte Tin
LT3972	1	3.6	33	3.5	30	yes	no	3x3 DFN-10,MS-10E	Transient Protection to 62V, Low Ripple Burst Mode Operation	2400	0.79	30	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	1	5.4		250kHz - 2.4MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1458A	no	no	2008-09-18	$4.25 (LT3972EDD)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LT3973	1	4.2	42	0.75	2.5	yes	no	3x3 DFN-10,MS-10E	Integrated Catch & Boost Diodes	2200	1.21	24	Burst Mode, Resistor Set Frequency, Power Good	12	1.65	2	200kHz to 2.2MHz		Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1730A	no	no	2011-10-12	$2.75 (LT3973EDD-3.3)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LT3975	1	4	42	2.5	1.6	yes	no	MS-16E	Low Ripple Burst Mode	2000	1.197	40.74	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.7	5.4		200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1736A	no	no	2012-07-13	$3.10 (LT3975EMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LT3976	1	4.3	40	5	1.6	yes	no	3x5 QFN-24,MS-16E	Low Ripple Burst Mode	2000	1.197	38.8	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.7	10		200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1848A	no	no	2012-07-13	$3.75 (LT3976EMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	15mm² (3x5 QFN-24),19.8mm² (MS-16E)	0.75mm (3x5 QFN-24),1.1mm (MS-16E)	no	yes	Lead,Matte Tin
LT3971A-5	1	4.3	38	1.3	1.7	yes	no	MS-10E	LT3791A-5 Offers More Accurate Vref, Fixed 5Vout	2000	5	5	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.7	2.5	2.1	200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	I	Buck		-				-						LTspice File,LTpowerCAD Model	-	no	no	2012-02-21	$3.35 (LT3971AIMSE-5)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	14.7mm² (MS-10E)	1.1mm (MS-10E)	no	yes	Matte Tin
LT3971A	1	4.3	38	1.3	1.7	yes	no	MS-10E	LT3791A Offers More Accurate Vref	2000	1.19	30	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.7	2.5	2.1	200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	I	Buck		-				-						LTspice File,LTpowerCAD Model	-	no	no	2012-02-21	$3.35 (LT3971AIMSE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	14.7mm² (MS-10E)	1.1mm (MS-10E)	no	yes	Matte Tin
LT3971	1	4.3	38	1.2	1.7	yes	no	3x3 DFN-10,MS-10E,MS-16E	2.5μA IQ, Integrated Boost & Catch Diodes	2000	1.19	30	Burst Mode, Resistor Set Frequency, External Synchronization	0.7	2.4	2.1	200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD Model	DC1527A	no	no	2009-11-04	$2.75 (LT3971EDD)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E),19.8mm² (MS-16E)	0.75mm (3x3 DFN-10),1.1mm (MS-16E),1.1mm (MS-10E)	no	yes	Matte Tin
LT3971-3.3	1	4.3	38	1.2	1.7	yes	no	3x3 DFN-10,MS-10E	2.5μA IQ, Integrated Boost & Catch Diodes, 3.3V Fixed Output	2000	3.3	3.3	Burst Mode, Resistor Set Frequency, External Synchronization, Fixed Output	0.7	2.4	2.1	200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD Model	DC1527A	no	no	2009-11-04	$2.75 (LT3971EDD-3.3)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LT3971-5	1	4.3	38	1.2	1.7	yes	no	3x3 DFN-10,MS-10E	2.5μA IQ, Integrated Boost & Catch Diodes, 5V Fixed Output	2000	5	5	Burst Mode, Resistor Set Frequency, External Synchronization, Fixed Output	0.7	2.4	2.1	200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD Model	DC1527A	no	no	2009-11-04	$2.75 (LT3971EDD-5)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LT3980	1	3.6	58	2	35	yes	no	4x3 DFN-14,MS-16E	80V Transient and Short-Circuit Protection, Low Ripple Burst Mode	2000	0.79	57.42	Burst Mode, External Synchronization, Power Good	.01	4			250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1476A	no	no	2009-09-16	$3.55 (LT3980EDE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	12mm² (4x3 DFN-14),19.8mm² (MS-16E)	0.75mm (4x3 DFN-14),1.1mm (MS-16E)	no	yes	Matte Tin,Lead
LT3990	1	4	60	0.35	1.7	yes	no	3x3 DFN-10,MS-16E	-3.3/-5 Fixed Output Versions	2200	1.21	25	Burst Mode, Resistor Set Frequency, Power Good	0.7	0.7	2.1	200kHz - 2.2MHz		Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1471A	yes	no	2009-12-07	$2.55 (LT3990EDD)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),19.8mm² (MS-16E)	0.75mm (3x3 DFN-10),1.1mm (MS-16E)	no	yes	Matte Tin
LT8608	1	3	42	1.5	1.7	yes	yes	MS-10E	42V, 1.5A Step-Down with 2.5μA Quiescent Current, Spread Spectrum	2200	0.778	41.5	Burst Mode, Resistor Set Frequency, External Synchronization, Spread Spectrum, Power Good	1	2.9	2.5	200kHz to 2.2MHz	200kHz to 2.2MHz	Constant Frequency Current Mode	no		no		E,I	Buck	Buck											LTspice File,LTpowerCAD File	DC2458A	yes	yes	2016-04-01	$2.25 (LT8608EMSE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	14.7mm² (MS-10E)	1.1mm (MS-10E)	no	yes	Matte Tin
LT8609	1	3	42	2	2.5	yes	yes	MS-10E	42V, 2A Synchronous Step-Down Regulator with 2.5μA Quiescent Current	2200	0.8	41.5	Burst Mode, Resistor Set Frequency, External Synchronization, Spread Spectrum, Tracking, Power Good	1	3.5	1.5	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck	Buck											LTspice File,LTpowerCAD File	DC2195A,DC2195B-A	no	no	2014-10-24	$2.40 (LT8609BEMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	14.7mm² (MS-10E)	1.1mm (MS-10E)	no	yes	Matte Tin
LT8610	1	3.4	42	2.5	2.4	yes	yes	MS-16E	2.5µA Low Ripple Burst Mode Operation, LT8610 50ns Min On-Time	2200	0.97	40	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking	1	4.8	1.24	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD File	DC1749A,DC1749B	yes	no	2012-05-18	$3.55 (LT8610EMSE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin,Lead
LT8610A	1	3.4	42	3.5	2.5	yes	yes	MS-16E	LT8610A Offers Improved 30ns Min On-Time and Iout, Fixed 3.3V & 5V Options	2200	0.97	39.7	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	1	6.7	1.23	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD File	DC2012A,DC2139A	no	no	2013-12-03	$3.75 (LT8610AEMSE-3.3)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LT8607	1	3	42	0.75	1.7	yes	yes	MS-10, DFN-8	42V, 750mA Synchronous Step-Down Regulator with 2.5μA Iq	2200	0.778	41.4	Burst Mode, Spread Spectrum, Resistor Set Frequency, External Synchronization, Power Good	1	1.5	2.5	200kHz to 2.2MHz	200kHz to 2.2MHz	Constant Frequency Current Mode	no		no			Buck	Buck											-	-	no	yes	2016-10-10	Contact Factory	Internal Power Switch Buck,Micropower Buck Regulators			no	no
LT8606	1	3	42	0.35	1.7	yes	yes	MS-10, DFN-8	42V, 350mA Synchronous Step-Down Regulator with 2.5μA Iq	2200	0.778	41.4	Burst Mode, Spread Spectrum, Resistor Set Frequency, External Synchronization, Power Good	1	0.75	2.5	200kHz to 2.2MHz	200kHz to 2.2MHz	Constant Frequency Current Mode	no		no			Buck	Buck											-	-	no	yes	2016-10-10	Contact Factory	Internal Power Switch Buck,Micropower Buck Regulators			no	no
LT3991	1	4.3	55	1.2	1.7	yes	no	3x3 DFN-10,MS-10E	Ultralow 2.8μA IQ, Low Ripple Burst Mode	2000	1.19	30	Burst Mode, Resistor Set Frequency, External Synchronization	0.7	2.3	2.1	200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD Model	DC1526A	no	no	2009-11-04	$2.95 (LT3991EDD)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LT3995	1	4.3	60	3	1.6	yes	no	MS-16E	Ultralow 3.4μA IQ, Low Ripple Burst Mode	2000	1.197	55.8	Burst Mode, External Synchronization, Resistor Set Frequency, Power Good	0.7	6.3	2	200kHz - 2MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1832A	no	no	2013-05-06	$3.55 (LT3995EMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LT8601	3	3	42	2.5	30	yes	yes	6x6 QFN-40	Triple 42V, 2.5A, 1.8A, 1.5A Monolithic Synchronous Step-Down	2200	1	41.4	Burst Mode, Resistor Set Frequency, External Synchronization, Power On Reset, Power Good	0.1	4	1.5	250kHz - 2.2MHz	250kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	1.5	1	41.4	Buck	1.8	0.8	5.5			LTspice File,LTpowerCAD Model	DC2346A	no	yes	2016-01-13	$5.15 (LT8601EUJ)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	36mm² (6x6 QFN-40)	0.75mm (6x6 QFN-40)	no	no	Matte Tin
LT3970	1	4.2	40	0.35	1.7	yes	no	3x2 DFN-10,MS-10	2.5μA IQ, Integrated Boost & Catch Diodes, -3.3/-3.42/-5 Fixed Vout	2200	1.21	25	Burst Mode, Resistor Set Frequency, Power Good	0.7	0.7	2	200kHz - 2.2MHz		Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1566A	no	no	2009-08-26	$2.35 (LT3970EDDB-3.3)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	6mm² (3x2 DFN-10),14.7mm² (MS-10)	0.75mm (3x2 DFN-10),1.1mm (MS-10)	no	yes	Matte Tin
LT3840	1	2.5	60	20	20	no	yes	4x6 QFN-38,TSSOP-28	Integrated Buck-Boost For Gate Drive	1000	1.25	60	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, Output Current Regulation, Output Current Monitor, Integrated Buck-Boost For Gate Drive	0.1	20	1	50kHz - 1MHz	50kHz - 1MHz	Constant Frequency Current Mode	no	Rsense	no	1	E,I,H,MP	Buck, Inverting	Buck, Inverting											LTspice File	DC1909A	yes	no	2014-02-10	$3.65 (LT3840EUFE)	Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators	24mm² (4x6 QFN-38),62.7mm² (TSSOP-28)	0.75mm (4x6 QFN-38),1.2mm (TSSOP-28)	no	yes	Matte Tin
LT3435	1	3.3	60	2.4	100	yes	no	TSSOP-16	100µA Quiescent Current	500	1.25	54	Burst Mode, External Synchronization, Power Good	0.1	5.2			575kHz - 700kHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice Model,LTpowerCAD Model	DC613A	no	no	2005-09-28	$5.25 (LT3435EFE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	32.6mm² (TSSOP-16)	1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LT3437	1	3.3	60	0.4	75	yes	no	3x3 DFN-10,TSSOP-16	60V VIN w/ 80V transients, Burst Mode	200	1.25	54	External Synchronization, Burst Mode	0.1	0.65	2		240kHz - 700kHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File	DC1232A	no	no	2005-07-29	$2.25 (LT3437EDD)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),32.6mm² (TSSOP-16)	0.75mm (3x3 DFN-10),1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LT3470	1	4	40	0.2	25	yes	no	3x2 DFN-8,SOT-23	Integrated Boost & Catch Diodes, LT3470 5.5V Min Startup, 300mA Iswitch		1.25	16	Burst Mode, Integrated Boost Diode	0.1	0.325	1.2	Hysteretic		Hysteretic Mode Control	no		no	1	E,I,H	Buck		-				-						LTspice File	DC1037A,DC716B	no	no	2004-12-28	$2.36 (LT3470EDDB)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	6mm² (3x2 DFN-8),8.1mm² (SOT-23)	0.75mm (3x2 DFN-8),1mm (SOT-23)	no	yes	Lead,Matte Tin
LT3470A	1	4	40	0.25	40	yes	no	3x2 DFN-8	Integrated Boost & Catch Diodes, LT3470A 4V Min Startup, 400mA Iswitch		1.25	16	Burst Mode, Integrated Boost Diode	0.1	0.44	1.2			Hysteretic Mode Control	no		no	1	E,I,H	Buck		-				-						LTspice File	DC1382A	no	no	2004-12-28	$2.46 (LT3470AEDDB)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	6mm² (3x2 DFN-8)	0.75mm (3x2 DFN-8)	no	yes	Matte Tin
LT3434	1	3.3	60	2.4	100	yes	no	TSSOP-16	100µA Quiescent Current	200	1.25	54	Burst Mode, External Synchronization	1	4.7			230kHz - 500kHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice Model,LTpowerCAD Model	DC614A	no	no	2004-08-13	$5.25 (LT3434EFE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	32.6mm² (TSSOP-16)	1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LT3433	1	4	60	0.4	100	yes	no	TSSOP-16	Buck-Boost Vin 4V-60V, Vout 3.3V-20V	200	3.3	20	Burst Mode, Output Disconnect	10					Constant Frequency Current Mode	no		no	1	E,I	Buck-Boost		-				-						LTspice File	DC527A	no	no	2003-06-18	$3.25 (LT3433EFE)	High Input Voltage Buck,Internal Power Switch Buck-Boost,Micropower Buck Regulators	32.6mm² (TSSOP-16)	1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LT1934-1	1	3.2	34	0.3	12	yes	no	2x3 DFN-6,SOT-23	LT1934-1 Optimized For < 60mA Output Currents		1.25	28	Burst Mode	0.01	0.12	1.6	Constant Off Time		Constant Off-Time Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC544A	no	no	2002-10-07	$2.26 (LT1934EDCB-1)	Internal Power Switch Buck,Micropower Buck Regulators	6mm² (2x3 DFN-6),8.1mm² (SOT-23)	0.75mm (2x3 DFN-6),1mm (SOT-23)	no	yes	Matte Tin,Lead
LT1976	1	3.3	60	1.24	100	yes	no	TSSOP-16	100µA IQ, 200kHz Switching, /B Disables Burst Mode	200	1.2	54	Burst Mode, External Synchronization	1	2.4	2		230kHz - 600kHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File	DC481A,DC977A	no	no	2003-08-15	$3.50 (LT1976BEFE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	32.6mm² (TSSOP-16)	1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LT1977	1	3.3	60	1.24	100	yes	no	TSSOP-16	100µA IQ, 500kHz Switching	500	1.2	54	Burst Mode, External Synchronization	0.1	2.4	2		575kHz - 700kHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice Model	DC639A	no	no	2004-06-30	$4.00 (LT1977EFE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	32.6mm² (TSSOP-16)	1.1mm (TSSOP-16)	no	yes	Lead,Matte Tin
LT3480	1	3.6	36	2	70	yes	no	3x3 DFN-10,MS-10E	Transient Protection to 60V, Low Ripple Burst Mode	2400	0.79	20	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	1	3.5		200kHz - 2.4MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I,H,MP	Buck		-				-						LTspice File,LTpowerCAD Model	DC1091A,DC1212A-A,DC1394A	no	no	2007-03-06	$3.45 (LT3480EDD)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin,Lead
LT3481	1	3.6	36	2	50	yes	no	3x3 DFN-10,MS-10E	Low Ripple Burst Mode, IQ<50μA	2800	1.265	20	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.01	3.8		300kHz - 2.8MHz	275kHz - 475kHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC857A	no	no	2006-06-01	$3.25 (LT3481EDD)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Lead,Matte Tin
LT3689-5	1	3.4	38	0.7	50	yes	no	3x3 QFN-16,MS-16E	POR and Watchdog Timer, 5V Fixed Output	2200	5	5	Burst Mode, Resistor Set Frequency, External Synchronization, Watchdog Timer	0.01	1.55	2	350kHz - 2.2MHz	350kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File	DC1312A	no	no	2009-07-28	$3.20 (LT3689EUD-5)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 QFN-16),19.8mm² (MS-16E)	0.75mm (3x3 QFN-16),1.1mm (MS-16E)	no	yes	Matte Tin
LT3690	1	3.9	36	4	70	yes	yes	4x6 QFN-26	70uA Quiescent Current, Low Ripple Burst Mode	1500	0.8	20	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	0.1	6.6		170kHz to 1.5MHz	170kHz to 1.5MHz	Constant Frequency Current Mode	no		no	1	E,I,H,MP	Buck		-				-						LTspice File,LTpowerCAD Model	DC1520A	yes	no	2011-02-03	$4.95 (LT3690EUFE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	24mm² (4x6 QFN-26)	0.75mm (4x6 QFN-26)	no	yes	Matte Tin
LT3695	1	3.6	36	1	75	yes	no	MS-16E	60V Transient Protection	2200	0.8	20	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.01	1.6	1.875	250kHz - 2.2MHz	300kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File	DC1519A,DC1578A-A,DC1578A-B	no	no	2009-07-30	$3.25 (LT3695EMSE-3.3)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LT3689	1	3.4	38	0.7	50	yes	no	3x3 QFN-16,MS-16E	POR and Watchdog Timer	2200	0.8	34.2	Burst Mode, Resistor Set Frequency, External Synchronization, Watchdog Timer	0.01	1.55	1.5	350kHz - 2.2MHz	350kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File	DC1312A	no	no	2009-07-28	$3.20 (LT3689EUD)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 QFN-16),19.8mm² (MS-16E)	0.75mm (3x3 QFN-16),1.1mm (MS-16E)	no	yes	Matte Tin
LT3688	2	3.8	36	0.8	65	yes	no	4x4 QFN-24,TSSOP-24	Dual 800mA Step-Down, POR & Watchdog, Burst Mode	2200	0.8	32.4	Burst Mode, Watchdog Timer, Power On Reset, Resistor Set Frequency, External Synchronization	0.01	1.7	2	350kHz - 2.2MHz	350kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck	Buck	Buck	0.8	0.8		-						LTspice File	DC1439A	no	no	2011-01-25	$3.60 (LT3688EUF)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	16mm² (4x4 QFN-24),50.6mm² (TSSOP-24)	0.75mm (4x4 QFN-24),1.2mm (TSSOP-24)	no	yes	Matte Tin
LT3680	1	3.6	36	3.5	30	yes	no	3x3 DFN-10,MS-10E	36V Operation and IQ=75µA	2400	0.79	30	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	1	5.4		200kHz - 2.4MHz	250kHz - 2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD Model	DC1149A	no	no	2007-07-31	$4.15 (LT3680EDD)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LT3681	1	3.6	36	2	50	yes	no	4x3 DFN-14	Integrated Power Schottky Diode	2800	1.265	20	Burst Mode, Resistor Set Frequency, Power Good	0	3.8		300kHz - 2.8MHz		Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice File,LTpowerCAD Model	DC1122A	no	no	2007-06-06	$3.65 (LT3681EDE)	Internal Power Switch Buck,Micropower Buck Regulators	12mm² (4x3 DFN-14)	0.75mm (4x3 DFN-14)	no	no	Matte Tin
LT3682	1	3.6	36	1	75	yes	no	3x3 DFN-12	60V Transient Protection, Low Ripple Burst Mode	2200	0.8	20	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.01	1.7	2	250kHz - 2.2MHz	300kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD Model	DC1222A	no	no	2008-12-15	$2.95 (LT3682EDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-12)	0.75mm (3x3 DFN-12)	no	yes	Matte Tin
LT8610AB	1	3.4	42	3.5	2.5	yes	yes	MS-16E	LT8610AB Improves Low Ripple Burst Mode Efficiency, Fixed 3.3V & 5V Options	2200	0.97	39.7	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	1	6.7	1.23	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck		-				-						LTspice File,LTpowerCAD File	DC2012A,DC2139A	no	no	2013-12-03	$3.75 (LT8610ABEMSE-3.3)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LT8610AC	1	3	42	3.5	17	yes	yes	MS-16E	LT8610AC 0.8V Vref, 3V Min Vin, 30ns Min Ton; LT8610AC-1 Optimized For High Fsw	2200	0.8	41.8	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	1	6.7	1.5	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	C,E,I,H	Buck												LTspice File,LTpowerCAD Model	-	no	no	2014-10-16	$3.75 (LT8610ACEMSE-1)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	yes	Matte Tin
LTC3388	1	2.7	20	0.05	0.72	yes	yes	3x3 DFN-10,MS-10E	20V High Efficiency Nanopower Step-Down Regulator		1.2	5	Pin Selectable Output Voltage	0.52	0.15	3			Hysteretic Mode Control	no		no	1	E,I	Buck		-				-						LTspice File	DC1658A-B,DC1658A-A	no	no	2010-07-20	$2.95 (LTC3388EDD-1)	Energy Harvesting,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin,Lead
LTC3403	1	2.5	5	0.6	20	yes	yes	3x3 DFN-8	Synchronous, Integrated ByPass MOSFET	1500	0.3	5	Burst Mode	0.1	1	2.1			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD Model	DC560A	no	no	2003-02-10	$2.10 (LTC3403EDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8)	0.75mm (3x3 DFN-8)	no	no	Lead,Matte Tin
LTC3404	1	2.65	6	0.6	10	yes	yes	MS-8	100% Duty Cycle	1400	0.8	6	Burst Mode, External Synchronization, 100% Duty Cycle	0.01	1	2		1MHz - 1.7MHz	Constant Frequency Current Mode	no		no	1	E,I,MP	Buck		-				-						LTspice Model,LTpowerCAD Model	DC413A	no	no	2000-08-24	$2.70 (LTC3404EMS8)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators	14.7mm² (MS-8)	1.1mm (MS-8)	no	yes	Lead,Matte Tin
LTC3407A	2	2.5	5.5	0.6	100	yes	yes	3x3 DFN-10,MS-10E	Dual 600mA Buck, 1.5MHz, LTC3407A Offers Low Ripple Burst Mode	1500	0.6	5	Burst Mode, Power On Reset, External Synchronization, 100% Duty Cycle	40	1	2		1.5MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	0.6	0.6		-						LTspice Model,LTpowerCAD Model	DC1180A	no	no	2003-06-18	$2.60 (LTC3407AEDD)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin,Lead
LTC3407A-2	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,MS-10E	Dual 800mA Buck, LTC3407A-2 Offers Low Ripple Burst Mode, 2.25MHz	2250	0.6	5.5	Burst Mode, External Synchronization, Power On Reset, 100% Duty Cycle	0.1	1.2	2		1.8MHz - 2.7MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck	Buck	0.8	0.6		-						LTspice Model,LTpowerCAD Model	-	no	no	2003-06-18	$2.95 (LTC3407AEDD-2)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Lead,Matte Tin
LTC3104	2	2.5	15	0.3	2.6	yes	yes	4x3 DFN-14,MS-16E	2.6uA Quiescent Current, 300mA Buck & 10mA LDO	1200	0.6	13.8	Burst Mode, Power Good, LDO	1	0.5	2			Constant Frequency Current Mode	no		no	1	E,I	Buck, LDO	Buck	LDO	0.01	0.6		-						LTspice Model	DC1754A	no	no	2011-11-04	$2.70 (LTC3104EDE)	Buck Regulator Plus LDO,Energy Harvesting,Internal Power Switch Buck,Micropower Buck Regulators	12mm² (4x3 DFN-14),19.8mm² (MS-16E)	0.75mm (4x3 DFN-14),1.1mm (MS-16E)	no	yes	Matte Tin
LTC3410	1	2.5	5.5	0.3	26	yes	yes	SC-70	SC70 300mA Synchronous Buck	2250	0.8	5.5	Burst Mode, 100% Duty Cycle	0.1	0.49	2			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice File,LTpowerCAD Model	DC870A-A	no	no	2005-12-19	$1.56 (LTC3410ESC6-1.65)	Internal Power Switch Buck,Micropower Buck Regulators	5.3mm² (SC-70)	1mm (SC-70)	no	no	Lead,Matte Tin
LTC3409	1	1.6	5.5	0.6	65	yes	yes	3x3 DFN-8	100% Duty Cycle	2600	0.62	5.5	External Synchronization, 100% Duty Cycle	0.1	1	2.5		1MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD Model	DC828A	no	no	2005-03-08	$2.15 (LTC3409EDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8)	0.75mm (3x3 DFN-8)	no	yes	Lead,Matte Tin
LTC3405A	1	2.65	5.5	0.3	20	yes	yes	SOT-23	LTC3405A Version Uses All Ceramic Caps	1500	0.8	6	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	0.5	2			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD File	DC480A-E,DC480A-F	no	no	2001-09-25	$1.67 (LTC3405AES6)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3405A-1.375	1	2.5	5.5	0.3	20	yes	yes	SOT-23	Fixed 1.375V Output, All Ceramic Caps	1500	1.375	1.375	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	0.5	3			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD Model	-	no	no	2001-09-25	$1.67 (LTC3405AES6-1.375)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3406-1.5	1	2.5	5.5	0.6	20	yes	yes	SOT-23	1.5MHz, Burst Mode, LTC3406-1.5 Fixed 1.5V Output	1500	1.5	1.5	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	1	3			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice File,LTpowerCAD File	DC500A-B	no	no	2002-05-23	$2.01 (LTC3406ES5-1.5)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3406-1.8	1	2.5	5.5	0.6	20	yes	yes	SOT-23	1.5MHz, Burst Mode, LTC3406-1.8 Fixed 1.8V Output	1500	1.8	1.8	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	1	3			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD File	DC500A-C	no	no	2002-05-23	$2.01 (LTC3406ES5-1.8)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3406A	1	2.5	5.5	0.6	20	yes	yes	SOT-23	1.5MHz, LTC3406A Has Low Ripple Pulse-Skipping Mode	1500	0.6	5.5	Burst Mode, 100% Duty Cycle	0.1	1	2			Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice Model,LTpowerCAD Model	-	no	no	2002-05-23	$1.83 (LTC3406AES5)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	yes	Matte Tin
LTC3406-1.2	1	2.5	5.5	0.6	20	yes	yes	SOT-23	1.5MHz, Burst Mode, LTC3406-1.2 Fixed 1.2V Output	1500	1.2	1.2	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	1	3			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD Model	-	no	no	2002-05-23	$2.01 (LTC3406ES5-1.2)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3405A-1.8	1	2.65	5.5	0.3	20	yes	yes	SOT-23	Fixed 1.8V Output, All Ceramic Caps	1500	1.8	1.8	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	0.5	3			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD File	DC480A-C,DC480A-D	no	no	2001-09-25	$1.67 (LTC3405AES6-1.8)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3407-4	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,MS-10E	Dual 800mA Buck, 2.25MHz LTC3407-4 has Reduced POR Time	2250	0.6	5.5	Burst Mode, Power On Reset, External Synchronization, 100% Duty Cycle	0.1	1.2	2		2.25MHz	Constant Frequency Current Mode	no		no	1	E	Buck	Buck	Buck	0.8	0.6		-						LTspice Model,LTpowerCAD Model	-	no	no	2003-06-18	$2.95 (LTC3407EDD-4)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	no	Lead,Matte Tin
LTC3405A-1.5	1	2.65	5.5	0.3	20	yes	yes	SOT-23	Fixed 1.5V Output, All Ceramic Caps	1500	1.5	1.5	Burst Mode, Fixed Output, 100% Duty Cycle	0.1	0.5	3			Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model,LTpowerCAD File	DC480A-A,DC480A-B	no	no	2001-09-25	$1.67 (LTC3405AES6-1.5)	Internal Power Switch Buck,Micropower Buck Regulators	8.1mm² (SOT-23)	1mm (SOT-23)	no	no	Lead,Matte Tin
LTC3103	1	2.5	15	0.3	1.8	yes	yes	3x3 DFN-10,MS-10E	1.8μA Quiescent Current, 15V, 300mA Synchronous Step-Down	1200	0.6	13.8	Burst Mode, Power Good	1	0.5	2			Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File	DC1883A	no	no	2011-11-04	$2.45 (LTC3103EDD)	Energy Harvesting,Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-10),14.7mm² (MS-10E)	0.75mm (3x3 DFN-10),1.1mm (MS-10E)	no	yes	Matte Tin
LTC3100	3	0.65	5	0.25	15	yes	yes	3x3 QFN-16	700mA Boost, 250mA Buck, 100mA LDO	1500	0.6	5.25	Burst Mode, Power Good, LDO, Output Disconnect, Sequencing	0.01	0.45	1.5			Constant Frequency Current Mode	no		no	1	E	Buck, Boost, LDO	Buck	Boost	0.1	0.6	5.25	LDO		0.6	2.5			LTspice File	DC1326A	no	no	2008-05-08	$3.10 (LTC3100EUD)	Buck Regulator Plus LDO,Internal Power Switch Buck,Micropower Buck Regulators,Multitopology DC/DC	9mm² (3x3 QFN-16)	0.75mm (3x3 QFN-16)	no	no	Matte Tin
LT8616	2	3.4	42	2.5	3	yes	yes	3x6 QFN-28,TSSOP-28	Dual 2.5A/1.5A 42V Synchronous Monolithic Step-Down with 6.5μA Iq	3000	0.79	41.8	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	1.7	5.5	1	200kHz - 3MHz	200kHz - 3MHz	Constant Frequency Current Mode	no		no		E,I,H	Buck	Buck	Buck	1.5	0.79	41.8							LTspice File,LTpowerCAD File	DC2169A	yes	yes	2015-04-13	$4.15 (LT8616EUDE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	18mm² (3x6 QFN-28),62.7mm² (TSSOP-28)	0.75mm (3x6 QFN-28),1.2mm (TSSOP-28)	no	yes	Matte Tin
LTC3409A	1	1.6	5.5	0.6	65	yes	yes	3x3 DFN-8	100% Duty Cycle, LTC3409A Has Tighter VREF and Line Regulation Limits	2600	0.62	5.5	Burst Mode, Resistor Set Frequency, External Synchronization, 100% Duty Cycle	0.1	1	2.3	1.7MHz or 2.6MHz	1MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice Model,LTpowerCAD Model	-	no	no	2005-03-08	$2.37 (LTC3409AEDD)	Internal Power Switch Buck,Micropower Buck Regulators	9mm² (3x3 DFN-8)	0.75mm (3x3 DFN-8)	no	yes	Matte Tin
LT8620	1	3.4	65	2	2.5	yes	yes	3x5 QFN-24,MS-16E	2.5µA Low Ripple Burst Mode	2200	0.97	64.75	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	1	3.8	1.23	200kHz to 2.2MHz	200kHz to 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I,H,MP	Buck	Buck											LTspice File,LTpowerCAD File	DC1992A	yes	no	2014-05-19	$3.75 (LT8620EMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	15mm² (3x5 QFN-24),19.8mm² (MS-16E)	0.75mm (3x5 QFN-24),1.1mm (MS-16E)	no	yes	Matte Tin
LT8613	1	3.4	42	6	1.7	yes	yes	3x6 QFN-28	2.5µA Low Ripple Burst Mode, Current Sense Amp and Monitor	2200	0.97	41.58	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good, Output Current Regulation, Output Current Monitor, Input Current Regulation, Input Current Monitor	1	9.7	1.23	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck	Buck											LTspice File	DC2011A	yes	no	2014-11-10	$5.20 (LT8613EUDE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Step-Down (Buck) LED Drivers	18mm² (3x6 QFN-28)	0.75mm (3x6 QFN-28)	no	yes	Matte Tin
LT8612	1	3.4	42	6	3	yes	yes	3x6 QFN-28	2.5µA Low Ripple Burst Mode	2200	0.97	41.6	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	1	9.7	0.6	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD File	DC2010A,DC2132A	no	no	2013-12-10	$4.95 (LT8612EUDE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	18mm² (3x6 QFN-28)	0.75mm (3x6 QFN-28)	no	yes	Matte Tin,Lead
LT8610AX	1	3.7	42	3.5	26	yes	yes	MS-16E	42V, 3.5A Synchronous Step-Down with Operation to 175°C	2200	0.97	39.7	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	1	6.7	2	200kHz to 2.2MHz	200kHz to 2.2MHz	Constant Frequency Current Mode	no		no		X	Buck	Buck											LTspice Model,LTpowerCAD Model	-	no	yes	2016-04-04	$125.00 (LT8610AXMSE)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,X Grade Products	19.8mm² (MS-16E)	1.1mm (MS-16E)	no	no	Matte Tin
LT8611	1	3.4	42	2.5	2.4	yes	yes	3x5 QFN-24	2.5µA Low Ripple Burst Mode	2200	0.97	40	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Rail-to-Rail Current Sense Amplifier, Output Current Monitor	1	4.8	1.24	200kHz - 2.2MHz	200kHz - 2.2MHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice File,LTpowerCAD Model	DC1750A	no	no	2012-05-18	$3.80 (LT8611EUDD)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Step-Down (Buck) LED Drivers	15mm² (3x5 QFN-24)	0.75mm (3x5 QFN-24)	no	yes	Matte Tin
LT8630	1	3	100	0.6	16	yes	yes	TSSOP-20	100V, 0.6A Synchronous Micropower Buck High Efficiency Regulator		0.8	60	Burst Mode, Power Good	5	1.1	1.5			Boundary Mode Control	no		no		E,I	Buck												LTspice File	DC2504A	no	yes	2016-10-27	$3.60 (LT8630EFE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	42.2mm² (TSSOP-20)	1.2mm (TSSOP-20)	no	no	Matte Tin
LT8631	1	3	100	1	3.6	yes	yes	TSSOP-20	100V, 1A Synchronous Micropower Step-Down Regulator	1000	0.808	60	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	5	2.1	1.48	100kHz to 1MHz	100kHz to 1MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck	Buck				0.8							LTspice File,LTpowerCAD File	DC2110A	yes	yes	2015-07-13	$3.60 (LT8631EFE)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators	42.2mm² (TSSOP-20)	1.2mm (TSSOP-20)	no	yes	Matte Tin
LTC1875	1	2.65	6	1.5	15	yes	yes	SSOP-16	100% Duty Cycle, Integrated PLL	550	0.8	6	Burst Mode, External Synchronization, Power Good, 100% Duty Cycle	0.01	2.15			350kHz - 750kHz	Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model	DC432B	no	no	2001-12-03	$3.50 (LTC1875EGN)	Internal Power Switch Buck,Micropower Buck Regulators	30.9mm² (SSOP-16)	1.75mm (SSOP-16)	no	no	Lead,Matte Tin
LTC1877	1	2.65	10	0.6	10	yes	yes	MS-8	100% Duty Cycle	550	0.8	10	Burst Mode, External Synchronization, 100% Duty Cycle	0.01	1	2		400kHz - 700kHz	Constant Frequency Current Mode	no		no	1	E,I	Buck		-				-						LTspice Model	DC290A-A	no	no	2000-05-03	$2.90 (LTC1877EMS8)	Internal Power Switch Buck,Micropower Buck Regulators	14.7mm² (MS-8)	1.1mm (MS-8)	no	no	Lead,Matte Tin
LTC1878	1	2.65	6	0.6	10	yes	yes	MS-8	100% Duty Cycle	550	0.8	6	Burst Mode, External Synchronization, 100% Duty Cycle	0.01	1	2		400kHz - 700kHz	Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model	DC290A-B,DC348A	no	no	2000-05-18	$2.60 (LTC1878EMS8)	Internal Power Switch Buck,Micropower Buck Regulators	14.7mm² (MS-8)	1.1mm (MS-8)	no	no	Lead,Matte Tin
LTC3407-3	2	3.3	5.5	0.8	40	yes	yes	3x3 DFN-10	Dual 800mA Buck, 2.25MHz, LTC3407-3 Offers Fixed 1.8V and 3.3V	2250	1.8	3.3	Burst Mode, External Synchronization, Power On Reset, Fixed Output, 100% Duty Cycle	0.1	1.2	2		2.25MHz	Constant Frequency Current Mode	no		no	1	E	Buck	Buck	Buck	0.8	3.3		-						LTspice Model,LTpowerCAD Model	-	no	no	2003-06-18	$2.95 (LTC3407EDD-3)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 DFN-10)	0.75mm (3x3 DFN-10)	no	no	Lead,Matte Tin
LTC1771	1	2.8	20	5	10	no	no	MS-8,SO-8	Burst Mode		1.23	18	Burst Mode, 100% Duty Cycle	2	5	2			Constant Off-Time Current Mode	no	Rsense	no	1	E,I	Buck		-				-						LTspice Model	-	no	no	2000-02-28	$2.65 (LTC1771ES8)	External Power Switch Buck Controllers,Micropower Buck Regulators	14.7mm² (MS-8),31mm² (SO-8)	1.1mm (MS-8),1.75mm (SO-8)	no	no	Lead,Matte Tin
LT8640	1	3.4	42	5	1.7	yes	yes	3x4 QFN-18	Step-Down Silent Switcher, LT8640 Pulse Skipping, /-1 Forced Continuous	3000	0.97	41.9	Silent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power Good	0.75	10	1.23	200kHz - 3MHz	200kHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck												LTspice File,LTpowerCAD File	DC2202A	yes	no	2014-12-09	$4.35 (LT8640EUDC-1)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Ultralow Noise Regulators	12mm² (3x4 QFN-18)	0.75mm (3x4 QFN-18)	no	yes	Matte Tin
LT8641	1	3	65	3.5	2.5	yes	yes	3x4 QFN-18	65V, 3.5A Synchronous Step-Down Silent Switcher with 2.5μA Iq	3000	0.81	64	Silent Switcher Architecture, Spread Spectrum, Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	0.75	5.8	1.48	200kHz to 3MHz	200kHz to 3MHz	Constant Frequency Current Mode	no		no		E,I	Buck	Buck											LTspice File,LTpowerCAD File	DC2373A	no	yes	2016-02-10	$4.35 (LT8641EUDC)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Ultralow Noise Regulators	12mm² (3x4 QFN-18)	0.75mm (3x4 QFN-18)	no	no	Matte Tin
LTC1879	1	2.65	10	1.2	15	yes	yes	SSOP-16	100% Duty Cycle, Integrated PLL	550	0.8	10	Burst Mode, External Synchronization, 100% Duty Cycle	1	2.2	5		350kHz - 750kHz	Constant Frequency Current Mode	no		no	1	E	Buck		-				-						LTspice Model	DC432A	no	no	2002-01-23	$3.60 (LTC1879EGN)	Internal Power Switch Buck,Micropower Buck Regulators	30.9mm² (SSOP-16)	1.75mm (SSOP-16)	no	no	Lead,Matte Tin
LT8614	1	3.4	42	4	1.7	yes	yes	3x4 QFN-18	Silent Switcher Architecture Minimizes EMI, 2.5µA Low Ripple Burst Mode	3000	0.97	41.8	Silent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power Good	1	6	1.2	200kHz - 3MHz	200kHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck	Buck	-				-				-		LTspice File,LTpowerCAD File	DC2019B	yes	no	2013-07-02	$4.25 (LT8614EUDC)	Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Ultralow Noise Regulators	12mm² (3x4 QFN-18)	0.75mm (3x4 QFN-18)	no	yes	Matte Tin,Lead
LTC3374	8	2.25	5.5	1	200	yes	yes	5x7 QFN-38,TSSOP-38	8-Channel Parallelable 1A Buck DC/DCs	2000	0.8	5.5	Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor	8	2.3	2.5	1MHz - 3MHz	1MHz - 3MHz	Constant Frequency Current Mode	no		yes	4	E,I,H	Buck	Buck	Buck	1	0.8	5.5	Buck	1	0.8	5.5	Buck	1	LTspice Model	DC1953A	no	no	2013-05-10	$4.65 (LTC3374EUHF)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	35mm² (5x7 QFN-38),62.7mm² (TSSOP-38)	0.75mm (5x7 QFN-38),1.2mm (TSSOP-38)	no	yes	Matte Tin,Lead
LT8602	4	3	42	2.5	30	yes	yes	6x6 QFN-40	Quad Monolithic Step-Down (2 HV Buck 2.5A/1.5A, 2 LV Buck 1.8A/1.8A)	2200	1	42	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, PolyPhase	0.1	4	1.2	250kHz - 2.2MHz	250kHz - 2.2MHz	Constant Frequency Current Mode	no		yes	2	E,I	Buck	Buck	Buck	1.8	1	42	Buck	1.8	0.8	5.5	Buck	1.5	LTspice File,LTpowerCAD File	DC1949A	yes	yes	2015-07-13	$5.35 (LT8602EUJ)	High Input Voltage Buck,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	36mm² (6x6 QFN-40)	0.75mm (6x6 QFN-40)	no	yes	Matte Tin
LTC3562	4	2.85	5.5	0.6	24	yes	yes	3x3 QFN-20	I2C Quad Step-Down 2 x 600mA, 2 x 400mA	2250	0.425	5	I2C Control, Adjustable Slew Rate, Burst Mode, 100% Duty Cycle	0.7	1.2	3			Constant Frequency Current Mode	no		no	1	E	Buck	Buck	Buck	0.6	0.6	5	Buck	0.4	0.6	5	Buck	0.4	-	DC1123A	no	no	2007-08-23	$3.25 (LTC3562EUD)	Digitally Programmable Regulators,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 QFN-20)	0.75mm (3x3 QFN-20)	no	no	Matte Tin
LTC3374A	8	2.25	5.5	1	45	yes	yes	5x7 QFN-38,TSSOP-38	8-Channel Parallelable 1A Buck DC/DCs, /A offers improved efficiency, accuracy and OV pin	2000	0.8	5.5	Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor	1	1.8	2	1MHz - 3MHz	1MHz - 3MHz	Constant Frequency Current Mode	no		yes		E,I,H	Buck	Buck	Buck	1	0.8	5.5	Buck	1	0.8	5.5	Buck	1	LTspice Model	DC2440A	no	yes	2016-07-27	$4.65 (LTC3374AEUHF)	Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	35mm² (5x7 QFN-38),62.7mm² (TSSOP-38)	0.75mm (5x7 QFN-38),1.2mm (TSSOP-38)	no	no	Matte Tin
LTC3375	8	2.25	5.5	1	18	yes	yes	7x7 QFN-48	8-Channel I2C Programmable, Parallelable 1A Bucks	3000	0.425	5.5	Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization	1	2.3	2.5	1MHz - 3MHz	1MHz - 3MHz	Constant Frequency Current Mode	no		no	1	E,I,H	Buck	Buck	Buck	1	0.425	5.5	Buck	1	0.425	5.5	Buck	1	-	DC1921A	yes	no	2012-11-16	$5.45 (LTC3375EUK)	Digitally Programmable Regulators,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	49mm² (7x7 QFN-48)	0.75mm (7x7 QFN-48)	no	yes	Matte Tin
LTC3544	4	2.25	5.5	0.3	70	yes	yes	3x3 QFN-16	Quad Step-Down: 300mA, 200mA, 200mA, 100mA	2.25	0.8	5.5	Burst Mode, 100% Duty Cycle	0.1	0.6	2			Constant Frequency Current Mode	no		no	1	E	Buck	Buck	Buck	0.2	0.8	5.5	Buck	0.2	0.8	5.5	Buck	0.1	LTspice File	DC1040A-A	no	no	2007-05-26	$2.95 (LTC3544EUD)	Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck	9mm² (3x3 QFN-16)	0.75mm (3x3 QFN-16)	no	no	Matte Tin