Power Management Switching Regulator Step-Down (Buck) Regulators Multiple Output Buck

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Input V V
 Output 1 V A
 Output 2 V A
       
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Number of Outputs Vin Min Vin Max Buck Output Current Comments Monolithic Synchronous Packages Vout Min Isupply Frequency Frequency Adjust Range Frequency Sync Range Features Polyphase Max Phases Ishutdown Vout Max Vref Accuracy Over Temp Temp Range Output Current LDO Output Current Topology Topology 1 Switch Current Topology 2 Output Current 2 Switch Current 2 Vout Min 2 Vout Max 2 Topology 3 Output Current 3 Switch Current 3 Vout Min 3 Vout Max 3 Topology 4 Output Current 4 Switch Current 4 Architecture Integrated Inductor Sense Resistor 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 yes/no yes/no V mA kHz yes/no # µA V % A A A A A V V A A V V A A yes/no mm² mm yes/no
Selection
(hold Ctrl key to select multiple,
hold Shift key to select range)
LTC3836 2 2.75 4.5 25, 25 Dual 2-Phase, No RSENSE Low VIN Synchronous Controller no yes 4x5 QFN-28,SSOP-28 0.6 0.45 750 300kHz - 750kHz 250kHz - 850kHz No Rsense, PolyPhase, Tracking, External Synchronization, PLL, Resistor Set Frequency yes 2 6.5 4.365 1.5 E 20 - Buck Buck 25 Buck 20 25 .8 Constant Frequency Current Mode no None LTspice Model DC1081A,DC1107A no no 2006-10-04 $2.75 (LTC3836EGN) External Power Switch Buck Controllers,Multiple Output Buck 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) no no Lead,Matte Tin
LTC3370 4 2.25 5.5 2, 2, 2, 2 4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset yes yes 5x5 QFN-32 0.8 0.045 3000 1MHz - 3MHz 1MHz - 3MHz Burst Mode, Resistor Set Frequency, External Synchronization, Temperature Monitor no 2.5 5.45 2.5 E,I,H 2 - Buck Buck 4.6 Buck 2 4.6 0.8 5.45 Buck 2 4.6 0.8 5.45 Buck 2 4.6 Constant Frequency Current Mode no - DC2311A yes no 2015-02-11 $3.80 (LTC3370EUH) Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no no Matte Tin
LTC3371 4 2.7 5.5 2, 2, 2, 2 4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset yes yes 5x7 QFN-38,TSSOP-38 0.8 0.05 2000 1MHz - 3MHz 1MHz - 3MHz Burst Mode, Resistor Set Frequency, External Synchronization, Temperature Monitor, Watchdog Timer no 15 5.45 2.5 E,I,H 2 - Buck Buck 4.6 Buck 2 4.6 0.8 5.45 Buck 2 4.6 0.8 5.45 Buck 2 4.6 Constant Frequency Current Mode no - DC2182A no no 2014-12-02 $4.15 (LTC3371EUHF) Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Multiple Output Buck 35mm² (5x7 QFN-38),62.7mm² (TSSOP-38) 0.75mm (5x7 QFN-38),1.2mm (TSSOP-38) no no Matte Tin
LTC3374 8 2.25 5.5 1, 1, 1, 1, 1, 1, 1, 1 8-Channel Parallelable 1A Buck DC/DCs yes yes 5x7 QFN-38,TSSOP-38 0.8 0.2 2000 1MHz - 3MHz 1MHz - 3MHz Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor yes 4 8 5.5 2.5 E,I,H 1 - Buck Buck 2.3 Buck 1 2.3 0.8 5.5 Buck 1 2.3 0.8 5.5 Buck 1 2.3 Constant Frequency Current Mode no 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
LTC3374A 8 2.25 5.5 1, 1, 1, 1, 1, 1, 1, 1 8-Channel Parallelable 1A Buck DC/DCs, /A offers improved efficiency, accuracy and OV pin yes yes 5x7 QFN-38,TSSOP-38 0.8 0.045 2000 1MHz - 3MHz 1MHz - 3MHz Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor yes 1 5.5 2 E,I,H 1 - Buck Buck 1.8 Buck 1 1.8 0.8 5.5 Buck 1 1.8 0.8 5.5 Buck 1 1.8 Constant Frequency Current Mode no 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, 1, 1, 1, 1, 1, 1, 1 8-Channel I2C Programmable, Parallelable 1A Bucks yes yes 7x7 QFN-48 0.425 0.018 3000 1MHz - 3MHz 1MHz - 3MHz Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization no 1 1 5.5 2.5 E,I,H 1 - Buck Buck 2.3 Buck 1 2.3 0.425 5.5 Buck 1 2.3 0.425 5.5 Buck 1 2.3 Constant Frequency Current Mode no - 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
LTC3407-3 2 3.3 5.5 0.8, 0.8 Dual 800mA Buck, 2.25MHz, LTC3407-3 Offers Fixed 1.8V and 3.3V yes yes 3x3 DFN-10 1.8 0.04 2250 2.25MHz Burst Mode, External Synchronization, Power On Reset, Fixed Output, 100% Duty Cycle no 1 0.1 3.3 2 E 0.8 - Buck Buck 1.2 Buck 0.8 1.2 3.3 - Constant Frequency Current Mode no 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
LTC3407-4 2 2.5 5.5 0.8, 0.8 Dual 800mA Buck, 2.25MHz LTC3407-4 has Reduced POR Time yes yes 3x3 DFN-10,MS-10E 0.6 0.04 2250 2.25MHz Burst Mode, Power On Reset, External Synchronization, 100% Duty Cycle no 1 0.1 5.5 2 E 0.8 - Buck Buck 1.2 Buck 0.8 1.2 0.6 - Constant Frequency Current Mode no 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
LTC3407A 2 2.5 5.5 0.6, 0.6 Dual 600mA Buck, 1.5MHz, LTC3407A Offers Low Ripple Burst Mode yes yes 3x3 DFN-10,MS-10E 0.6 0.1 1500 1.5MHz Burst Mode, Power On Reset, External Synchronization, 100% Duty Cycle no 1 40 5 2 E,I 0.6 - Buck Buck 1 Buck 0.6 1 0.6 - Constant Frequency Current Mode no 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, 0.8 Dual 800mA Buck, LTC3407A-2 Offers Low Ripple Burst Mode, 2.25MHz yes yes 3x3 DFN-10,MS-10E 0.6 0.04 2250 1.8MHz - 2.7MHz Burst Mode, External Synchronization, Power On Reset, 100% Duty Cycle no 1 0.1 5.5 2 E,I 0.8 - Buck Buck 1.2 Buck 0.8 1.2 0.6 - Constant Frequency Current Mode no 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
LTC3417A 2 2.25 5.5 1, 1.5 LTC3417A Offers Improved Channel Matching yes yes 5x3 DFN-16,TSSOP-20 0.8 0.125 4000 600kHz - 4MHz Anti-Phase Switching, Resistor Set Frequency, Burst Mode, Power Good, 100% Duty Cycle yes 2 0.1 5.5 E,I 1.5 - Buck Buck 2.5 Buck 1 1.7 .8 - Constant Frequency Current Mode no 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
LTC3417A-1 2 2.25 5.5 1, 1.5 LTC3417A-1 Offers Power On Reset yes yes 5x3 DFN-16,TSSOP-20 0.8 0.125 4000 600kHz to 4MHz 600kHz to 4MHz Anti-Phase Switching, External Synchronization, Resistor Set Frequency, Power On Reset, 100% Duty Cycle yes 2 0.01 5.5 E,I 1.5 - Buck Buck 2.5 Buck 1 1.7 .8 - Constant Frequency Current Mode no LTspice Model,LTpowerCAD Model - no no 2005-11-10 $2.93 (LTC3417AEDHC-1) Internal Power Switch Buck,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 2.25 5.5 1, 1.5 LTC3417A-2 Offers PGOOD yes yes 5x3 DFN-16,TSSOP-20 0.8 0.125 1500 600kHz - 4MHz 600kHz - 4MHz Anti-Phase Switching, Burst Mode, External Synchronization, Resistor Set Frequency, Power Good, 100% Duty Cycle yes 2 0.01 5.5 E,I 1.5 - Buck Buck 2.5 Buck 1 1.7 .8 - Constant Frequency Current Mode no 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
LTC3419 2 2.5 5.5 0.6, 0.6 Dual 600mA Buck, LTC3419-1 Fixed 1.575/1.8Vout yes yes 3x3 DFN-8,MS-10 0.6 0.035 2250 Burst Mode, 100% Duty Cycle no 1 0.1 5.5 2 E,I 0.6 - Buck Buck 1.2 Buck 0.6 1.2 0.6 - Constant Frequency Current Mode no 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
LTC3544 4 2.25 5.5 0.1, 0.2, 0.2, 0.3 Quad Step-Down: 300mA, 200mA, 200mA, 100mA yes yes 3x3 QFN-16 0.8 0.07 2.25 Burst Mode, 100% Duty Cycle no 1 0.1 5.5 2 E 0.3 - Buck Buck 0.6 Buck 0.2 0.4 0.8 5.5 Buck 0.2 0.4 0.8 5.5 Buck 0.1 0.3 Constant Frequency Current Mode no 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
LTC3544B 4 2.25 5.5 0.1, 0.2, 0.2, 0.3 LTC3544B Disables Burst Mode yes yes 3x3 QFN-16 0.8 0.825 2250 100% Duty Cycle no 1 0.1 5.5 2 E 0.3 - Buck Buck 0.6 Buck 0.2 0.4 0.8 5.5 Buck 0.2 0.4 0.8 5.5 Buck 0.1 0.3 Constant Frequency Current Mode no LTspice Model DC1040A-B no no 2007-03-19 $2.95 (LTC3544BEUD) Internal Power Switch Buck,Multiple Output Buck 9mm² (3x3 QFN-16) 0.75mm (3x3 QFN-16) no no Matte Tin
LTC3545 3 2.25 5.5 0.8, 0.8, 0.8 Triple 800mA Synchronous Step-Down Regulator yes yes 3x3 QFN-16 0.6 0.058 2250 1MHz - 3MHz Burst Mode, External Synchronization, Power Good, 100% Duty Cycle no 1 0.1 5.5 2 E,I 0.8 - Buck Buck 1.3 Buck 0.8 1.3 0.6 5.5 Buck .8 1.3 0.6 5.5 Constant Frequency Current Mode no 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
LTC3546 2 2.25 5.5 2, 2 Dual Synchronous, 3A/1A or 2A/2A Configurable Buck yes yes 4x5 QFN-28,TSSOP-28 0.6 0.16 2250 750kHz - 4MHz 750kHz - 4MHz Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, Tracking, 100% Duty Cycle no 1 0.2 5 E,I 2 - Buck Buck 3.2 Buck 2 3.2 .8 - Constant Frequency Current Mode no LTspice File DC1086A,DC1087A no no 2009-01-22 $3.75 (LTC3546EUFD) Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no yes Matte Tin
LTC3547 2 2.5 5.5 0.3, 0.3 Dual Monolithic 300mA Synchronous Step-Down yes yes 3x2 DFN-8 0.6 0.04 2250 Fixed Output, 100% Duty Cycle no 1 0.1 5.5 2 E 0.3 - Buck Buck 0.55 Buck 0.3 0.55 0.6 - Constant Frequency Current Mode no 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
LTC3547B 2 2.5 5.5 0.3, 0.3 LTC3547B Disables Burst Mode yes yes 3x2 DFN-8 0.6 0.45 2250 Fixed Output, 100% Duty Cycle no 1 0.1 5.5 2 E,I 0.3 - Buck Buck 0.55 Buck 0.3 0.55 0.6 - Constant Frequency Current Mode no LTspice Model,LTpowerCAD Model DC1013A no no 2006-09-12 $1.95 (LTC3547BEDDB-1) Internal Power Switch Buck,Multiple Output Buck 6mm² (3x2 DFN-8) 0.75mm (3x2 DFN-8) no yes Lead,Matte Tin
LTC3548-1 2 2.5 5.5 0.4, 0.8 29ms POR Delay, LTC3548-1 Fixed 1.8V/1.575Vot yes yes 3x3 DFN-10,3x3 UTDFN-10 1.575 0.04 2250 Burst Mode, Fixed Output, 100% Duty Cycle no 1 0.1 1.8 2 E 0.8 - Buck Buck 1.2 Buck 0.4 0.7 1.8 - Constant Frequency Current Mode no 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
LTC3548-2 2 2.5 5.5 0.4, 0.8 29ms POR Delay, LTC3548-2 Fixed 1.2V/Adj. Vout yes yes 3x3 DFN-10 0.6 0.04 2250 Burst Mode, Fixed Output, 100% Duty Cycle no 1 0.1 5.5 2 E 0.8 - Buck Buck 1.2 Buck 0.4 0.7 1.8 - Constant Frequency Current Mode no 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 0.4, 0.8 LTC3548A Improved ESD, Burst Mode, 116ms POR Delay yes yes 3x3 DFN-10,MS-10E 0.6 0.04 2250 1.8MHz - 2.7MHz Burst Mode, External Synchronization, 100% Duty Cycle no 1 0.1 5 2 E,I 0.8 - Buck Buck 1.2 Buck 0.4 0.7 0.6 - Constant Frequency Current Mode no 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
LTC3562 4 2.85 5.5 0.4, 0.4, 0.6, 0.6 I2C Quad Step-Down 2 x 600mA, 2 x 400mA yes yes 3x3 QFN-20 0.425 0.024 2250 I2C Control, Adjustable Slew Rate, Burst Mode, 100% Duty Cycle no 1 0.7 5 3 E 0.6 - Buck Buck 1.2 Buck 0.6 1.2 0.6 5 Buck 0.4 0.8 0.6 5 Buck 0.4 0.8 Constant Frequency Current Mode no - 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
LTC3569 3 2.5 5.5 0.6, 0.6, 1.2 Triple Buck Regulator with 1.2A and Two 600mA Outputs yes yes 3x3 QFN-20,3x4 QFN-20,TSSOP-16 0.425 0.022 2250 1MHz - 3MHz 1.2MHz - 3MHz Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle no 1 0.1 5.5 2 E,I 1.2 - Buck Buck 2 Buck 0.6 1 0.425 5.5 Buck 0.6 1 0.425 5.5 Constant Frequency Current Mode no 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
LTC3615 2 2.25 5.5 3, 3 Selectable 0°/90°/180° (LTC3615) or 140°/180° (LTC3615-1) yes yes 4x4 QFN-24,TSSOP-24 0.6 0.13 4000 Up to 4MHz Up to 4MHz Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Anti-Phase Switching, DDR Mode, 100% Duty Cycle yes 2 0.1 5.5 E,I,H,MP 3 - Buck Buck 6 Buck 3 6 0.6 - Constant Frequency Current Mode no 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
LTC3617 2 2.25 5.5 0.01, 6 ±6A Monolithic Synchronous Step-Down for DDR yes yes 3x5 QFN-24 0.5 1.1 4000 Up to 4MHz Up to 4MHz DDR Mode, Resistor Set Frequency, External Synchronization, Power Good no 1 0.1 5.5 E,I 6 - Buck Buck 10 LDO 0.01 0.5 - Constant Frequency Current Mode no LTspice File DC1707A no no 2011-06-20 $3.80 (LTC3617EUDD) DDR Memory/Bus Termination,Multiple Output Buck 15mm² (3x5 QFN-24) 0.75mm (3x5 QFN-24) no yes Matte Tin
LTC3618 3 2.25 5.5 0.01, 3, 3 Dual 4MHz, +/-3A Synchronous Buck for DDR yes yes 4x4 QFN-24,TSSOP-24 0.5 2.4 4000 Up to 4MHz 400kHz - 4MHz External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start yes 1 0.1 2.5 E,I 3 - Buck Buck 5.5 Buck 3 5.5 0.25 1.25 LDO 0.010 0.25 1.25 Constant Frequency Current Mode no LTspice File DC1726A no no 2011-07-26 $4.10 (LTC3618EUF) DDR Memory/Bus Termination,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
LTC3619 2 2.5 5.5 0.4, 0.8 400mA/800mA Synchronous Step-Down yes yes 3x3 DFN-10,MS-10E 0.6 0.05 2250 Programmable Input Current Limit, Burst Mode, Power Good, 100% Duty Cycle no 1 0.1 5 3 E,I 0.8 - Buck Buck 1.6 Buck 0.4 0.8 0.6 - Constant Frequency Current Mode no 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
LTC3619B 2 2.5 5.5 0.4, 0.8 400mA/800mA Synchronous Step-Down yes yes 3x3 DFN-10,MS-10E 0.6 0.6 2250 Programmable Input Current Limit, Power Good, 100% Duty Cycle no 1 0.1 5 3 E,I 0.8 - Buck Buck 2.4 Buck 0.4 0.8 0.6 - Constant Frequency Current Mode no LTspice File DC1489A-B no no 2009-09-10 $2.25 (LTC3619BEDD) Internal Power Switch Buck,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
LTC7851 4 3 5.5 30,30,30,30 Quad Multiphase Step-Down Voltage Mode, /-1 Lower Current Sense Amp Gain no yes 5x9 QFN-58 0.6 60 2250 250kHz - 2.25MHz 250kHz - 2.25MHz PolyPhase, External Synchronization, Resistor Set Frequency, Differential Remote Sense, DCR Current Sense yes 4 100 5 0.75 E,I 30 - Buck Buck 30 Buck 30 30 0.6 5 Buck 30 30 0.6 5 Buck 30 30 Constant Frequency Voltage Mode no Rsense, DCR LTpowerCAD Model DC2380A-A,DC2380A-B,DC2380A-C no yes 2016-01-25 $4.27 (LTC7851EUHH-1) External Power Switch Buck Controllers,Multiple Output Buck 45mm² (5x9 QFN-58) 0.75mm (5x9 QFN-58) no no Matte Tin
LTM4614 2 2.375 5.5 4, 4 Dual 4A per Channel Low VIN DC/DC μModule Regulator yes yes 15mm × 15mm × 2.82mm LGA 0.8 20 1250 Tracking, Power Good, PolyPhase yes 4 7 5 E,I 4 - Buck Buck 8 Buck 4 8 0.8 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC1385A yes no 2009-08-05 $15.50 (LTM4614EV) Multiple Output Buck,uModule Buck Regulators 225mm² (15mm × 15mm × 2.82mm LGA) 2.82mm (15mm × 15mm × 2.82mm LGA) no no Gold
LTM4615 3 2.375 5.5 1.5, 4, 4 Triple Output, Low Voltage DC/DC uModule Regulator yes yes 15mm × 15mm × 2.82mm LGA 0.8 1.48 1250 Tracking, PolyPhase, LDO, Power Good yes 4 7 5 E,I 4 - Buck, LDO Buck 6 Buck 4 6 0.8 5 LDO 1.5 0.4 2.6 Constant Frequency Current Mode yes LTspice File,LTpowerCAD Model DC1367A yes no 2009-07-21 $17.20 (LTM4615EV) Multiple Output Buck,uModule Buck Regulators 225mm² (15mm × 15mm × 2.82mm LGA) 2.82mm (15mm × 15mm × 2.82mm LGA) no no Gold
LTM4616 2 2.7 5.5 8, 8 Dual 8A per Channel Low VIN DC/DC uModule yes yes 15mm × 15mm × 2.82mm LGA,15mm × 15mm × 3.42mm BGA 0.6 0.4 1500 750kHz - 2.25MHz Tracking, Margining, Power Good, External Synchronization, Spread Spectrum, PolyPhase, Burst Mode yes 4 1 5 E,I,MP 8 - Buck Buck 13 Buck 8 13 0.6 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC1245A no no 2008-05-02 $19.45 (LTM4616EV) Extended Temperature (H & MP) uModule Regulators,Multiple Output Buck,uModule Buck Regulators 225mm² (15mm × 15mm × 3.42mm BGA),225mm² (15mm × 15mm × 2.82mm LGA) 2.82mm (15mm × 15mm × 2.82mm LGA),3.42mm (15mm × 15mm × 3.42mm BGA) no no Gold,SAC305,Tin-Lead
LT1940L 2 3.6 7 1.4, 1.4 Dual Output 1.4A Buck, 7V Maximum Input Voltage yes no TSSOP-16 1.25 3.8 1100 Anti-Phase Switching, Power Good yes 2 30 22 E 1.4 - Buck Buck 2.4 Buck 1.4 2.4 1.25 - Constant Frequency Current Mode no LTspice Model,LTpowerCAD Model DC519A no no 2002-07-17 $2.70 (LT1940LEFE) Internal Power Switch Buck,Multiple Output Buck 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) no no Lead,Matte Tin
LTC1702A 2 3 7 20, 20 Dual Output Voltage Mode Step-Down Controller no no SSOP-24 0.8 2.2 550 No Rsense, PolyPhase yes 2 30 7 1 C,I 20 - Buck Buck 20 Buck 20 20 .8 - Constant Frequency Current Mode no None LTspice File DC275A,DC473A no no 1999-06-17 $4.75 (LTC1702ACGN) External Power Switch Buck Controllers,Multiple Output Buck 54.2mm² (SSOP-24) 1.75mm (SSOP-24) no yes Lead,Matte Tin
LTC1874 2 2.5 9.8 20, 20 Dual Constant Frequency Current Mode Step-Down no no SSOP-16 0.8 0.27 550 100% Duty Cycle, Burst Mode no 1 8 9.8 2.5 E 20 - Buck Buck 20 Buck 20 20 .8 - Constant Frequency Current Mode no Rsense LTspice Model - no no 2000-07-28 $3.30 (LTC1874EGN) External Power Switch Buck Controllers,Multiple Output Buck 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no no Lead,Matte Tin
LTC3736 2 2.75 9.8 25, 25 LTC3736 204mV Vsense Max, 1.5% Accurate Vref, Burst Mode no yes 4x4 QFN-24,SSOP-24 0.6 0.3 750 300kHz, 550kHz, 750kHz 250kHz - 850kHz No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good yes 2 9 9.8 1.5 E 5 - Buck Buck 5 Buck 5 5 .8 Constant Frequency Current Mode no None LTspice Model DC663A no no 2004-03-16 $3.80 (LTC3736EGN) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) no no Lead,Matte Tin
LTC3736-1 2 2.75 9.8 25, 25 LTC3736-1 204mV Vsense Max, Spread Spectrum, No Ext. Synchronization no yes 4x4 QFN-24,SSOP-24 0.6 0.5 750 300kHz, 500kHz, 750kHz Tracking, No Rsense, Spread Spectrum, PolyPhase, Selectable Switching Frequency, Power Good yes 2 9 9.8 1.5 E 5 - Buck Buck 5 Buck 5 5 .8 Constant Frequency Current Mode no None LTspice File DC803A no no 2004-03-16 $4.40 (LTC3736EGN-1) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) no no Lead,Matte Tin
LTC3736-2 2 2.75 9.8 25, 25 LTC3736-2 345mV Vsense Max, 1% Accurate Vref no yes 4x4 QFN-24,SSOP-24 0.6 0.475 750 300kHz, 550kHz, 750kHz 250kHz - 850kHz No Rsense, Tracking, PolyPhase, External Synchronization, PLL, Selectable Switching Frequency, Power Good yes 2 9 9.8 1.5 E 5 - Buck Buck 5 Buck 5 5 .8 Constant Frequency Current Mode no None LTspice File DC922A no no 2004-03-16 $3.80 (LTC3736EGN-2) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) no no Lead,Matte Tin
LTC3737 2 2.75 9.8 25, 25 Optional Rsense, Output Tracking no no 4x4 QFN-24,SSOP-24 0.6 0.225 750 300kHz, 550kHz, 750kHz 250kHz - 850kHz No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good yes 2 9 9.8 1.5 E 5 - Buck Buck 5 Buck 5 5 .8 Constant Frequency Current Mode no None - DC664A no no 2004-04-25 $3.65 (LTC3737EGN) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) no no Lead,Matte Tin
LTC3701 2 2.5 10 5, 5 Dual, Non-Synchronous Step-Down Controller no no SSOP-16 0.8 0.46 750 Burst Mode, PolyPhase, Power Good, 100% Duty Cycle yes 2 9 10 2 E 5 - Buck Buck 5 Buck 5 5 .8 Constant Frequency Current Mode no Rsense LTspice Model DC424A no no 2002-01-11 $3.40 (LTC3701EGN) External Power Switch Buck Controllers,Multiple Output Buck 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no no Lead,Matte Tin
LTC3882 (dual output) 2 3 13.2 40, 40 Dual Output PolyPhase Voltage Mode Step-Down with PSM no yes 6x6 QFN-40 0.5 32 1250 250kHz - 1.25MHz 250kHz - 1.25MHz Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization yes 2, 3, 4, 6, 8 5.25 0.5 E,I 40 Buck Buck 40 Buck 40 40 0.5 5.25 Constant Frequency Voltage Mode no Rsense, DCR LTspice Model,LTpowerCAD File,Linduino File DC1936A ,DC2174A-A ,DC2174A-B,DC2252A-A,DC2291A no no 2014-07-29 $5.35 (LTC3882EUJ) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no no Matte Tin
LTC3882-1 (dual output) 2 3 13.2 40, 40 Dual Output PolyPhase Voltage Mode Step-Down with PSM, Dedicated PGOOD no yes 6x6 QFN-40 0.5 32 1250 250kHz - 1.25MHz 250kHz - 1.25MHz Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization yes 2, 3, 4, 6, 8 5.25 0.5 E,I 40 Buck Buck 40 Buck 40 40 0.5 5.25 Constant Frequency Voltage Mode no Rsense, DCR LTspice Model,LTpowerCAD Model DC2252A-B,DC2312A-A,DC2312A-B no yes 2015-09-28 $5.35 (LTC3882EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no no Matte Tin
LTM4644 4 4 14 4, 4, 4, 4 Configurable 4 x 4A DC/DC µModule Regulator yes yes 15mm × 9mm × 5.01mm BGA 0.6 2 1000 700kHz - 1MHz Tracking, Temperature Monitor, External Synchronization, Power Good no 11 5.5 E,I,MP 4 - Buck Buck 7 Buck 4 7 0.6 5.5 Buck 4 7 0.6 5.5 Buck 4 7 Controlled On-Time Valley Current Mode yes LTspice File,LTpowerCAD File DC1900A,DC2428A yes no 2013-12-06 $22.85 (LTM4644EY-1) Extended Temperature (H & MP) uModule Regulators,Multiple Output Buck,uModule Buck Regulators 135mm² (15mm × 9mm × 5.01mm BGA) 5.01mm (15mm × 9mm × 5.01mm BGA) no no SAC305,Tin-Lead
LTC3607 2 4.5 15 0.6, 0.6 Dual 600mA 15V Monolithic Synchronous Step-Down yes yes 3x3 QFN-16,MS-16E 0.6 0.035 4000 1MHz to 4MHz Burst Mode, Power Good, External Synchronization, 100% Duty Cycle no 0.1 15 2 E,I 0.6 - Buck Buck 1 Buck 0.6 1 0.6 - Constant Frequency Current Mode no 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
LTC3633 2 3.6 15 3, 3 Dual 3A Buck, 3.6V to 15V Input Voltage yes yes 4x5 QFN-28,TSSOP-28 0.6 0.5 4000 500kHz - 4MHz 500kHz - 4MHz Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good yes 2 13 14.7 1 E,I 3 - Buck Buck 3.5 Buck 3 3.5 0.6 - Constant Frequency Controlled On-Time Current Mode no LTspice File,LTpowerCAD File DC1347B no no 2010-01-27 $4.25 (LTC3633EUFD) Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no no Lead,Matte Tin
LTM4630 (dual output) 2 4.5 15 18, 18 Dual 18A or Single 36A DC/DC μModule Regulator yes yes 16mm x 16mm x 4.41mm LGA,16mm x 16mm x 5.01mm BGA 0.6 3 500 400kHz to 780kHz 400kHz to 780kHz Differential Remote Sense, Resistor Set Frequency, PolyPhase, External Synchronization, Temperature Monitor, Burst Mode, Tracking, Power Good yes 8 50 1.8 E,I 18 - Buck Buck 25 Buck 18 25 0.6 1.8 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC1892A,DC2007A-A,DC2007A-C,DC2007A-B ,DC2081A-A,DC2106B-B yes no 2013-08-05 $35.05 (LTM4630EV) Multiple Output Buck,uModule Buck Regulators 256mm² (16mm x 16mm x 5.01mm BGA),256mm² (16mm x 16mm x 4.41mm LGA) 4.41mm (16mm x 16mm x 4.41mm LGA),5.01mm (16mm x 16mm x 5.01mm BGA) no no Gold,SAC305,Tin-Lead
LTM4630-1 2 4.5 15 18, 18 Dual 18A or Single 36A μModule Regulator with 0.8% DC and 3% Transient Accuracy yes yes 16mm x 16mm x 5.01mm BGA 0.6 3 500 400kHz to 780kHz 400kHz to 780kHz Differential Remote Sense, Resistor Set Frequency, PolyPhase, External Synchronization, Temperature Monitor, Burst Mode, Tracking, Power Good yes 8 50 1.8 0.8 E,I 18 - Buck Buck 25 Buck 18 25 0.6 1.8 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC2081A-B,DC2157A,DC2268A-E,DC2164A-A,DC2164A-B,DC2164A-C no yes 2015-05-12 $36.05 (LTM4630EY-1B) Multiple Output Buck,uModule Buck Regulators 256mm² (16mm x 16mm x 5.01mm BGA) 5.01mm (16mm x 16mm x 5.01mm BGA) no no SAC305,Tin-Lead
LTM4630A 2 4.5 15 18, 18 Dual 18A or Single 36A μModule, LTM4630A Offers Higher Light Load Efficiency yes yes 16mm x 16mm x 4.41mm LGA,16mm x 16mm x 5.01mm BGA 0.6 3 500 210kHz to 860kHz 400kHz to 780kHz Differential Remote Sense, Resistor Set Frequency, PolyPhase, External Synchronization, Temperature Monitor, Burst Mode, Tracking, Power Good yes 8 35 5.3 0.5 E,I 18 - Buck Buck 25 Buck 18 25 0.6 5.3 Constant Frequency Current Mode yes LTspice File,LTpowerCAD Model DC2152A no yes 2015-07-27 $36.30 (LTM4630AEV) Multiple Output Buck,uModule Buck Regulators 256mm² (16mm x 16mm x 5.01mm BGA),256mm² (16mm x 16mm x 4.41mm LGA) 4.41mm (16mm x 16mm x 4.41mm LGA),5.01mm (16mm x 16mm x 5.01mm BGA) no no Gold,SAC305
LTM4650 (dual output) 2 4.5 15 25. 25 Dual 25A or Single 50A DC/DC μModule Regulator yes yes 16mm x 16mm x 5.01mm BGA 0.6 4 500 400kHz - 780kHz 400kHz - 780kHz Internal Heat Sink, Differential Remote Sense, PolyPhase, Resistor Set Frequency, External Synchronization, Temperature Monitor, Burst Mode, Power Good 2, 4, 6, 8, 10, 12 50 1.8 1 E,I 25 Buck Buck 25 Buck 25 25 0.6 1.8 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC2378A-A,DC2481A-B,DC2481A-A,DC2479A-A no yes 2016-02-03 $46.75 (LTM4650EY) Multiple Output Buck,uModule Buck Regulators 256mm² (16mm x 16mm x 5.01mm BGA) 5.01mm (16mm x 16mm x 5.01mm BGA) no no SAC305,Tin-Lead
LTM4650-1 (dual output) 2 4.5 15 25, 25 LTM4650-1 - Dual 25A or Single 50A μModule Regulator with 3% Transient Accuracy yes yes 16mm × 16mm × 5.01mm BGA 0.6 4 500 400kHz - 780kHz 400kHz - 780kHz Internal Heat Sink, Differential Remote Sense, PolyPhase, Resistor Set Frequency, External Synchronization, Temperature Monitor, Burst Mode, Power Good yes 2, 4, 6, 8, 10, 12 50 1.8 1 E,I 25 Buck Buck 25 25 25 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC2455A-A,DC2378A-B,DC2455A-B,DC2455A-C,DC2479A-B yes yes 2016-03-24 $46.75 (LTM4650EY-1B) Multiple Output Buck,uModule Buck Regulators 256mm² (16mm × 16mm × 5.01mm BGA) 5.01mm (16mm × 16mm × 5.01mm BGA) no no SAC305
LTM4620 (dual output) 2 4.5 16 13, 13 Dual 13A or Single 26A DC/DC μModule Regulator yes yes 15mm × 15mm × 4.41mm LGA,15mm x 15mm x 5.01mm BGA 0.6 5 500 250kHz - 780kHz 400kHz - 780kHz Internal Heat Sink, Burst Mode, Tracking, PolyPhase, Differential Remote Sense, Resistor Set Frequency, External Synchronization, Power Good yes 8 50 2.5 E,I 13 - Buck Buck 20 Buck Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC1498A,DC1780A-A,DC1780A-C,DC1780A-B yes no 2012-07-18 $29.99 (LTM4620EV) Multiple Output Buck,uModule Buck Regulators 225mm² (15mm x 15mm x 5.01mm BGA),225mm² (15mm × 15mm × 4.41mm LGA) 4.41mm (15mm × 15mm × 4.41mm LGA),5.01mm (15mm x 15mm x 5.01mm BGA) no no Gold,SAC305,Tin-Lead
LTM4620A (dual output) 2 4.5 16 13, 13 Dual 13A or Single 26A DC/DC μModule Regulator - High Efficiency yes yes 15mm × 15mm × 4.41mm LGA,15mm x 15mm x 5.01mm BGA 0.6 5 500 250kHz - 780kHz 400kHz - 780kHz Internal Heat Sink, Burst Mode, Tracking, PolyPhase, Differential Remote Sense, Resistor Set Frequency, External Synchronization, Power Good yes 8 50 5.3 E,I 13 - Buck Buck 20 Buck Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC1759A,DC2268A-B,DC2204A no no 2013-01-03 $31.28 (LTM4620AEV) Multiple Output Buck,uModule Buck Regulators 225mm² (15mm x 15mm x 5.01mm BGA),225mm² (15mm × 15mm × 4.41mm LGA) 4.41mm (15mm × 15mm × 4.41mm LGA),5.01mm (15mm x 15mm x 5.01mm BGA) no no Gold,SAC305,Tin-Lead
LTM4633 3 4.7 16 10, 10, 10 Triple 10A Step-Down DC/DC μModule Regulator yes yes 15mm x 15mm x 5.01mm BGA 0.8 0.5 750 600kHz - 750kHz Internal Heat Sink, Tracking, Burst Mode, External Synchronization, Power Good yes 3 50 5.5 E,I,MP 10 - Buck Buck 25 Buck 10 25 0.8 5.5 Buck 10 25 0.8 5.5 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC1905A yes no 2013-10-16 $35.95 (LTM4633EY) Extended Temperature (H & MP) uModule Regulators,Multiple Output Buck,uModule Buck Regulators 225mm² (15mm x 15mm x 5.01mm BGA) 5.01mm (15mm x 15mm x 5.01mm BGA) no no SAC305,Tin-Lead
LTM4677 (dual output) 2 4.5 16 18, 18 Dual 18A or Single 36A µModule Regulator with Digital Power System Management yes yes 16mm x 16mm x 5.01mm BGA 0.5 20 1000 250kHz - 1MHz 250kHz - 1MHz Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, Watchdog Timer, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization yes 2, 3, 4, 6 50 1.8 0.5 E,I 18 - Buck Buck 18 Buck 18 18 0.5 1.8 Constant Frequency Current Mode yes - LTspice File,LTpowerCAD File,Linduino File DC2066A,DC2204A,DC2143A-A,DC2143A-B,DC2143A-C,DC2481A-B,DC2481A-A no yes 2015-10-23 $39.60 (LTM4677EY) Digital Power System Management,Digitally Programmable Regulators,Multiple Output Buck,uModule Buck Regulators 256mm² (16mm x 16mm x 5.01mm BGA) 5.01mm (16mm x 16mm x 5.01mm BGA) no no SAC305
LTC3622 2 2.7 17 1, 1 IQ = 5μA, LTC3622 1MHz, LTC3622-2 2.2MHz, -23/25 Fixed Vout 3.3/5V yes yes 4x3 DFN-14,MS-16 0.6 0.005 2200 1MHz (LTC3622) or 2.25MHz (LTC3622-2) Fixed 500kHz - 3.3MHz Burst Mode, 100% Duty Cycle, External Synchronization, no 1 0.1 17 1.5 E,I,H 1 - Buck Buck 1.8 Buck 1 1.8 0.6 17 Constant Frequency Current Mode no 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
LTM4675 (dual output) 2 4.5 17 9, 9 Dual 9A or Single 18A μModule Regulator with PSM yes yes 16mm x 11.9mm x 3.51mm BGA 0.5 20 500 PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization yes 4 50 5.5 0.5 E,I 9 - Buck Buck 15 Buck 9 15 0.5 5.5 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File,Linduino File DC2053A,DC2204A yes yes 2015-05-27 $24.00 (LTM4675EY) Digital Power System Management,Digitally Programmable Regulators,Multiple Output Buck,uModule Buck Regulators 190.4mm² (16mm x 11.9mm x 3.51mm BGA) 3.51mm (16mm x 11.9mm x 3.51mm BGA) no no SAC305
LTM4676A (dual output) 2 4.5 17 13, 13 Dual 13A or Single 26A μModule Regulator with PSM, /A Version Faster Turn-On yes yes 16mm x 16mm x 5.01mm BGA 0.5 20 1000 250kHz - 1MHz 250kHz - 1MHz Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, Watchdog Timer, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization yes 2, 3, 4, 6 50 5.5 0.5 E,I 13 - Buck Buck 13 Buck 13 13 0.5 5.5 Constant Frequency Current Mode yes LTspice Model,LTpowerCAD File DC1811B-B,DC2106B-B,DC2204A,DC1989B-A,DC1989B-B,DC1989B-C yes yes 2015-05-15 $33.95 (LTM4676AEY) Digital Power System Management,Digitally Programmable Regulators,Multiple Output Buck,uModule Buck Regulators 256mm² (16mm x 16mm x 5.01mm BGA) 5.01mm (16mm x 16mm x 5.01mm BGA) no no SAC305
LTC3633A 2 3.6 20 3, 3 Dual 3A Buck, 3.6V to 20Vin, Vout Sense 0.6V to 6V, V2P5 Output yes yes 4x5 QFN-28,TSSOP-28 0.6 0.5 4000 500kHz - 4MHz 500kHz - 4MHz Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good no 2 13 6 1 E,I 3 - Buck Buck 3.5 Buck 3 3.5 0.6 - Constant Frequency Controlled On-Time Current Mode no LTspice File,LTpowerCAD File DC1895A no no 2012-09-25 $4.25 (LTC3633AEUFD) Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no no Matte Tin
LTC3633A-1 2 3.6 20 3, 3 Dual 3A Buck, 3.6V to 20Vin, Vout Sense 1.5V to 12V, V2P5 Output yes yes 4x5 QFN-28,TSSOP-28 1.5 0.5 4000 500kHz - 4MHz 500kHz - 4MHz Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good no 2 13 12 1 E,I 3 - Buck Buck 3.5 Buck 3 3.5 1.5 - Constant Frequency Controlled On-Time Current Mode no LTspice File,LTpowerCAD File DC1895A no no 2012-09-25 $4.25 (LTC3633AEUFD-1) Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no no Matte Tin
LTC3633A-2 2 3.6 20 3, 3 Dual 3A Buck, 3.6V to 20Vin, Vout Sense 0.6V to 6V, SVin Pin yes yes 4x5 QFN-28,TSSOP-28 0.6 0.5 4000 500kHz - 4MHz 500kHz - 4MHz Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good no 2 13 6 1 E,I 3 - Buck Buck 3.5 Buck 3 3.5 0.6 - Constant Frequency Controlled On-Time Current Mode no LTspice File,LTpowerCAD File DC1896A no no 2012-09-28 $4.25 (LTC3633AEUFD-2) Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no no Matte Tin
LTC3633A-3 2 3.6 20 3, 3 Dual 3A Buck, 3.6V to 20Vin, Vout Sense 1.5V to 12V, SVin Pin yes yes 4x5 QFN-28,TSSOP-28 1.5 0.5 4000 500kHz - 4MHz 500kHz - 4MHz Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good no 2 13 12 1 E,I 3 - Buck Buck 3.5 Buck 3 3.5 1.5 - Constant Frequency Controlled On-Time Current Mode no LTspice File,LTpowerCAD File DC1896A no no 2012-09-28 $4.25 (LTC3633AEUFD-3) Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no no Matte Tin
LTM4622 2 3.1 20 2.5, 2.5 Dual Ultrathin 2.5A Step-Down DC/DC μModule Regulator yes yes 6.25mm x 6.25mm x 1.82mm LGA,6.25mm x 6.25mm x 2.42mm BGA 0.6 11 1000 800kHz to 4MHz 800kHz to 4MHz Ultrathin Package, Resistor Set Frequency, External Synchronization, PolyPhase, Burst Mode, Power Good yes 4 45 5.5 1.5 E,I 2.5 - Buck Buck 4 Buck 2.5 4 0.6 5.5 Controlled On-Time Valley Current Mode yes LTspice File,LTpowerCAD File DC2249A no yes 2015-06-26 $7.15 (LTM4622EV) Multiple Output Buck,uModule Buck Regulators 39.1mm² (6.25mm x 6.25mm x 2.42mm BGA),39.1mm² (6.25mm x 6.25mm x 1.82mm LGA) 1.82mm (6.25mm x 6.25mm x 1.82mm LGA),2.42mm (6.25mm x 6.25mm x 2.42mm BGA) no no Gold,SAC305,Tin-Lead
LTM4642 (dual output) 2 4.5 20 4, 4 20VIN, Dual 4A or Single 8A DC/DC μModule Regulator yes yes 11.25mm x 9mm x 4.92mm BGA 0.6 22 1400 600kHz to 1.4MHz 600kHz to 1.4MHz Tracking, PolyPhase, PowerGood, External Synchronization, Resistor Set Frequency, Burst Mode yes 10 5.5 1.5 E,I 4 - Buck Buck 7 Buck 4 7 0.6 5.5 Constant On-Time, Valley Current Mode yes LTspice File,LTpowerCAD File DC2194A no yes 2016-03-28 $16.00 (LTM4642EY) Multiple Output Buck,uModule Buck Regulators 101.3mm² (11.25mm x 9mm x 4.92mm BGA) 4.92mm (11.25mm x 9mm x 4.92mm BGA) no no SAC305,Tin-Lead
LTM4643 4 4 20 3, 3, 3, 3 Ultrathin Quad μModule Regulator with Configurable 3A Output Array yes yes 15.00mm × 9.00mm ×1.82mm LGA 0.6 2 1200 850kHz - 1.5MHz Ultrathin Package, Tracking, Power Good, External Synchronization yes 11 3.3 1.5 E,I,MP 3 - Buck Buck Buck 3 0.6 3.3 Buck 3 0.6 3.3 Buck 3 Constant Frequency Controlled On-Time Valley Current Mode yes LTpowerCAD Model DC2453A no yes 2016-09-02 $19.90 (LTM4643EV) Extended Temperature (H & MP) uModule Regulators,Multiple Output Buck,uModule Buck Regulators 135mm² (15.00mm × 9.00mm ×1.82mm LGA) 1.82mm (15.00mm × 9.00mm ×1.82mm LGA) no no Gold
LTC3850 2 4 24 25, 25 LTC3850-1 Replaces ILIM With EXTVCC no yes 4x5 QFN-28,SSOP-28 0.8 0.85 500 250kHz - 780kHz 250kHz - 780kHz PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good yes 2 30 6 1 E,I 25 - Buck Buck 25 Buck 25 25 0.8 Constant Frequency Current Mode no Rsense, DCR LTspice File,LTpowerCAD File DC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-A no no 2007-06-18 $2.40 (LTC3850EGN-1) External Power Switch Buck Controllers,Multiple Output Buck 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) no yes Matte Tin,Lead
LTC3853 3 4.5 24 25, 25 Triple Output, Multiphase Synchronous Buck Controller no yes 6x6 QFN-40 0.8 4.1 500 250kHz - 750kHz 250kHz - 750kHz PolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, Tracking yes 3 42 13.5 1 E,I,H,MP 25 - Buck Buck 25 Buck 25 25 0.8 13.5 Buck 25 25 0.8 13.5 Constant Frequency Current Mode no Rsense, DCR LTspice File DC1254A,DC1349A no no 2008-08-18 $3.53 (LTC3853EUJ) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no yes Matte Tin
LTC3860 (dual output) 2 3 24 40, 40 Dual, Multiphase Buck Controller, 1 Diff Amp, 2mV Sense Accuracy no yes 5x5 QFN-32 0.6 14 1250 250kHz - 1.25MHz 250kHz - 1.25MHz Differential Remote Sense, PolyPhase, Resistor Set Frequency, External Synchronization, PLL, DCR Current Sense, Power Good, Tracking yes 2, 3, 4, 6, 12 50 5 1 E,I 40 - Buck Buck 40 Buck 40 40 0.6 Constant Frequency Voltage Mode no Rsense, DCR LTspice File,LTpowerCAD File DC1184A,DC1755A no no 2010-02-02 $2.59 (LTC3860EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no yes Matte Tin
LTC3861 (dual output) 2 3 24 40, 40 Dual, Multiphase Buck Voltage Mode Controller, 2 Diff Amp, 1.25mV Sense Accuracy no yes 5x6 QFN-36 0.6 30 2250 Up to 2.25MHz Up to 2.25MHz Differential Remote Sense, PolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking yes 2, 3, 4, 6, 12 50 5.5 0.75 E,I 40 Buck Buck 40 Buck 40 40 Constant Frequency Voltage Mode no Rsense, DCR LTspice File,LTpowerCAD File DC1822A yes no 2012-01-25 $2.88 (LTC3861EUHE) External Power Switch Buck Controllers,Multiple Output Buck 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) no yes Matte Tin
LTC3861-1 (dual output) 2 3 24 40, 40 Dual, Multiphase Buck Voltage Mode Controller, 1 Diff Amp, 1.25mV Sense Accuracy no yes 5x5 QFN-32 0.6 30 2250 Up to 2.25MHz Up to 2.25MHz PolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Soft Start yes 2, 3, 4, 6, 12 50 5.5 0.75 E,I 40 Buck Buck 40 Buck 40 40 - Constant Frequency Voltage Mode no Rsense, DCR LTspice Model,LTpowerCAD Model - no no 2012-08-16 $2.76 (LTC3861EUH-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no yes Matte Tin
LTC3868 2 4 24 25, 25 300μA IQ, Dual 2-Phase Sync Buck, LTC3868 Adj Current Limit, CLKOUT, Two PGOOD no yes 5x5 QFN-32 0.8 0.17 850 50kHz - 900kHz 75kHz - 850kHz Burst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good yes 2 8 14 1.5 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense, DCR 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
LTC3868-1 2 4 24 25, 25 300μA IQ, Dual 2-Phase Synch Buck, LTC3868-1 Fixed Current Limit, One PGOOD no yes 4x5 QFN-28,SSOP-28 0.8 0.17 850 50kHz - 900kHz 75kHz - 850kHz Burst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good yes 2 0.01 14 1.5 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense, DCR 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
LTC3880 (dual output) 2 4.5 24 30, 30 Dual PolyPhase, Power System Management, LTC3880-1 external 5V supply no yes 6x6 QFN-40 0.5 20 1000 250kHz - 1MHz 250kHz - 1MHz Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization yes 2, 3, 4, 6 5.5 0.5 E,I 30 Buck Buck 30 Buck 30 30 Constant Frequency Current Mode no Rsense, DCR LTspice File,LTpowerCAD File,LTpowerPlay ,Linduino File DC1590B-B,DC1590B-A,DC1753A-A,DC1709A,DC1962C,DC2052A,DC1740A-A,DC1740A-B,DC1962C-KIT ,DC2088A,DC2089A-A,DC2089A-B,DC1753B-A,DC1753B-B yes no 2011-01-20 $5.35 (LTC3880EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no yes Matte Tin
LTC3887 (dual output) 2 4.5 24 30, 30 Dual PolyPhase Step-Down with Digital PSM, /-1 drives external DrMOS no yes 6x6 QFN-40 0.5 20 1000 250kHz - 1MHz 250kHz - 1MHz PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization yes 2, 4, 6 5.5 0.5 E,I 30 Buck Buck 30 Buck 30 30 0.5 5.5 Constant Frequency Current Mode no Rsense, DCR LTpowerPlay ,LTspice Model,LTpowerCAD File,Linduino File DC1709A,DC2263A-A,DC2263A-B,DC2454A,DC2394A yes no 2015-03-16 $5.47 (LTC3887EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no yes Matte Tin
LT1940 2 3.6 25 1.4, 1.4 Dual Output 1.4A Buck yes no TSSOP-16 1.25 3.8 1100 Anti-Phase Switching, Power Good yes 2 30 22 E 1.4 - Buck Buck 2.4 Buck 1.4 2.4 1.25 - Constant Frequency Current Mode no LTspice Model,LTpowerCAD Model DC519A no no 2002-07-17 $3.70 (LT1940EFE) Internal Power Switch Buck,Multiple Output Buck 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) no no Lead,Matte Tin
LT1941 3 3.3 25 2, 3 Triple Output 3A Buck, 2A Buck, 1.5A Inverting/Boost yes no TSSOP-28 0.628 2 1100 Anti-Phase Switching, Power Good yes 2 50 35.2 1.6 E 3 Controller Buck, Boost, Sepic, Flyback, Inverting Buck 4.3 Buck 2 2.9 0.628 35.2 Inverting, Boost 2 1.25 40 Constant Frequency Current Mode no LTspice File DC621A no no 2004-06-03 $5.25 (LT1941EFE) Buck Regulator Plus LDO,Internal Power Switch Boost,Internal Power Switch Buck,Multiple Output Buck,Multitopology DC/DC,SEPIC Regulators 62.7mm² (TSSOP-28) 1.2mm (TSSOP-28) no no Lead,Matte Tin
LT3501 2 3.3 25 3, 3 Dual 3A Buck yes no TSSOP-20 0.8 3.5 1500 250kHz - 1.5MHz 250kHz - 1.5MHz Anti-Phase Switching, Tracking, Power Good, Resistor Set Frequency, External Synchronization yes 2 9 23.75 E,I 3 - Buck Buck 4 Buck 3 4 1.25 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC964A no no 2006-10-20 $3.50 (LT3501EFE) Internal Power Switch Buck,Multiple Output Buck 42.2mm² (TSSOP-20) 1.2mm (TSSOP-20) no yes Lead,Matte Tin
LT3506 2 3.6 25 1.6, 1.6 Dual 1.6A Buck, LT3506 575kHz Switching Frequency yes no 5x4 DFN-16,TSSOP-16 0.8 3.8 575 Anti-Phase Switching, Sequencing, Power Good yes 2 30 23.25 E,I 1.6 - Buck Buck 2.6 Buck 1.6 2.6 1.25 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC958A no no 2006-09-13 $2.95 (LT3506EDHD) Internal Power Switch Buck,Multiple Output Buck 20mm² (5x4 DFN-16),32.6mm² (TSSOP-16) 0.75mm (5x4 DFN-16),1.1mm (TSSOP-16) no yes Lead,Matte Tin
LT3506A 2 3.6 25 1.6, 1.6 Dual 1.6A Buck, LT3506A 1.1MHz Switching Frequency yes no 5x4 DFN-16,TSSOP-16 0.8 3.8 1100 Anti-Phase Switching, Sequencing, Power Good yes 2 30 23.25 E,I 1.6 - Buck Buck 2.6 Buck 1.6 2.6 1.25 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC958A no no 2006-09-13 $2.95 (LT3506AEDHD) Internal Power Switch Buck,Multiple Output Buck 20mm² (5x4 DFN-16),32.6mm² (TSSOP-16) 0.75mm (5x4 DFN-16),1.1mm (TSSOP-16) no yes Lead,Matte Tin
LT3510 2 3.3 25 2, 2 Dual Tracking 2A Buck yes no TSSOP-20 0.8 3.5 1500 250kHz - 1.5MHz 250kHz - 1.5MHz Anti-Phase Switching, Tracking, Power Good, Resistor Set Frequency, External Synchronization yes 2 9 23.75 E,I 2 - Buck Buck 2.8 Buck 2 2.8 .8 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC1157A no no 2006-10-20 $3.25 (LT3510EFE) Internal Power Switch Buck,Multiple Output Buck 42.2mm² (TSSOP-20) 1.2mm (TSSOP-20) no yes Lead,Matte Tin
LTM4619 2 4.5 26.5 4, 4 Dual, 26Vin, 4A DC/DC uModule Regulator yes yes 15mm × 15mm × 2.82mm LGA 0.8 30 780 250kHz - 780kHz PolyPhase, Tracking, Power Good, Burst Mode, External Synchronization yes 4 40 5 E,I 4 - Buck Buck 6 Buck 4 6 .8 Constant Frequency Current Mode yes LTspice File,LTpowerCAD Model DC1453A no no 2009-07-31 $16.75 (LTM4619EV) Multiple Output Buck,uModule Buck Regulators 225mm² (15mm × 15mm × 2.82mm LGA) 2.82mm (15mm × 15mm × 2.82mm LGA) no no Gold
LTM4628 (dual output) 2 4.5 26.5 8, 8 Dual 8A or Single 16A DC/DC uModule Regulator yes yes 15mm × 15mm × 4.32mm LGA,15mm x 15mm x 4.92mm BGA 0.6 5 780 250kHz - 780kHz 400kHz - 780kHz Differential Remote Sense, Resistor Set Frequency, PolyPhase, External Synchronization, Burst Mode, Tracking yes 4 60 5.5 E,I 8 - Buck Buck 15 Buck 8 15 0.6 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC1663A no no 2010-11-08 $19.90 (LTM4628EV) Multiple Output Buck,uModule Buck Regulators 225mm² (15mm x 15mm x 4.92mm BGA),225mm² (15mm × 15mm × 4.32mm LGA) 4.32mm (15mm × 15mm × 4.32mm LGA),4.92mm (15mm x 15mm x 4.92mm BGA) no no Gold,SAC305,Tin-Lead
LTM4676 (dual output) 2 4.5 26.5 13, 13 Dual 13A or Single 26A μModule Regulator with PSM yes yes 16mm x 16mm x 5.01mm BGA 0.5 15 1000 250kHz - 1MHz 250kHz - 1MHz Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, Watchdog Timer, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization yes 2, 3, 4, 6 50 5.4 0.5 E,I 13 - Buck Buck 13 Buck 13 13 0.5 4 Constant Frequency Current Mode yes - LTpowerPlay ,LTspice File,LTpowerCAD File,Linduino File DC2087A,DC1811B-KIT,DC2269A-A,DC1811B-A yes no 2013-08-22 $33.55 (LTM4676EY) Digital Power System Management,Digitally Programmable Regulators,Multiple Output Buck,uModule Buck Regulators 256mm² (16mm x 16mm x 5.01mm BGA) 5.01mm (16mm x 16mm x 5.01mm BGA) no no SAC305,Tin-Lead
LTC3707 2 4.5 28 25, 25 Dual 2-Phase Synchronous Controller no yes SSOP-28 0.8 0.35 300 150kHz - 300kHz Burst Mode, Resistor Set Frequency, PolyPhase, Power Good yes 2 20 7 1.5 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense LTspice Model DC455A no no 2002-06-24 $4.55 (LTC3707EGN) External Power Switch Buck Controllers,Multiple Output Buck 61.9mm² (SSOP-28) 1.75mm (SSOP-28) no yes Lead,Matte Tin
LTC3707-SYNC 2 4.5 28 25, 25 LTC3707-SYNC Offers PLL For External Synchronization no yes SSOP-28 0.8 0.47 300 150kHz - 300kHz Burst Mode, External Synchronization, PolyPhase, Power Good yes 2 20 7 1.5 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense LTspice Model - no no 2002-06-24 $4.65 (LTC3707EGN-SYNC) External Power Switch Buck Controllers,Multiple Output Buck 61.9mm² (SSOP-28) 1.75mm (SSOP-28) no yes Lead,Matte Tin
LTC3728L-1 2 4.5 28 25, 25 Dual, 550kHz, 2-Phase Synchronous Regulator no yes 5x5 QFN-32,SSOP-28 0.8 0.45 550 250kHz - 550kHz PolyPhase, External Synchronization, Power Good, Burst Mode, Soft Start yes 20 7 E,I 25 Buck 25 25 LTspice Model - no no 2001-07-24 $4.65 (LTC3728LEGN-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),61.9mm² (SSOP-28) 0.75mm (5x5 QFN-32),1.75mm (SSOP-28) no yes Lead,Matte Tin
LTM4634 3 4.75 28 4, 5, 5 Triple 5A/5A/4A Step-Down DC/DC μModule Regulator yes yes 15mm x 15mm x 5.01mm BGA 0.8 0.5 750 250kHz to 750kHz 250kHz to 750kHz Internal Heat Sink, PolyPhase, Burst Mode, External Synchronization, Resistor Set Frequency, Tracking, Power Good yes 3 10 5.5 1.5 E,I 5 - Buck Buck Buck 5 0.8 5.5 Buck 4 0.8 13.5 Constant Frequency Current Mode yes LTspice File,LTpowerCAD File DC2121A no no 2014-08-12 $35.95 (LTM4634EY) Multiple Output Buck,uModule Buck Regulators 225mm² (15mm x 15mm x 5.01mm BGA) 5.01mm (15mm x 15mm x 5.01mm BGA) no no SAC305,Tin-Lead
LT3742 2 4 30 5, 5 Dual, 2-Phase Step-Down Switching Controller no no 4x4 QFN-24 0.8 5 500 Anti-Phase Switching, Tracking, Power Good, 100% Duty Cycle yes 2 20 30 1.5 E 5 - Buck Buck 5 Buck 5 5 .8 - Constant Frequency Current Mode no Rsense LTspice File,LTpowerCAD Model DC927A no no 2007-12-04 $2.30 (LT3742EUF) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) no no Matte Tin
LTC3728L 2 4 30 25, 25 Small package, high frequency no yes 5x5 QFN-32,SSOP-28 0.8 0.45 550 250kHz - 500kHz PolyPhase, External Synchronization, Power Good, Burst Mode, Soft Start yes 2 20 7 C,E,I 25 Buck Buck 25 Buck 25 25 0.8 no Rsense LTspice Model DC392A-C,DC898A-A,DC898A-B,DC899A no no 2001-07-24 $4.30 (LTC3728LXCUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),61.9mm² (SSOP-28) 0.75mm (5x5 QFN-32),1.75mm (SSOP-28) no yes Lead,Matte Tin
LTC3802 2 3 30 25, 25 Dual Tracking Synchronous 2-Phase DC/DC no yes 5x5 QFN-32,SSOP-28 0.6 6.5 750 330kHz, 550kHz, 750kHz 330kHz - 750kHz No Rsense, Tracking, PolyPhase, External Synchronization, PLL, Burst Mode, External Synchronization, PLL, Selectable Switching Frequency, Power Good, Soft Start yes 2 100 27 1 E 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Voltage Mode no None LTspice Model DC653A no no 2004-05-25 $4.80 (LTC3802EGN) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),61.9mm² (SSOP-28) 0.75mm (5x5 QFN-32),1.75mm (SSOP-28) no no Lead,Matte Tin
LTC3811 (dual output) 2 4.5 30 20, 20 High Speed Dual, Multiphase Step-Down no yes 5x7 QFN-38,SSOP-36 0.6 10.5 500 250kHz to 750kHz 150kHz to 900kHz PolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLL yes 2, 3, 4, 6, 12 20 3.3 0.5 E 20 - Buck Buck 20 Buck 20 20 0.8 Constant Frequency Current Mode no Rsense, DCR LTspice Model DC971A no no 2007-08-27 $3.75 (LTC3811EG) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38),163.9mm² (SSOP-36) 0.75mm (5x7 QFN-38),2.64mm (SSOP-36) no no Matte Tin
LTC3727LX-1 4 32 25, 25 High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator no yes 5x5 QFN-32,SSOP-28 0.8 1 550 250kHz to 550kHz PolyPhase, Power Good, PLL, External Synchronization, Burst Mode yes 20 14 E 25 Buck 25 25 25 LTspice Model - no no 2001-11-26 $4.35 (LTC3727LXEG-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) no no Lead,Matte Tin
LT3640 2 4 35 1, 1.3 Dual High (35V) and Low (5.5V) Vin Buck, POR & Watchdog yes yes 4x5 QFN-28,TSSOP-28 1.265 0.275 2500 350kHz - 2.5MHz 350kHz - 2.5MHz Power On Reset, Burst Mode, Watchdog Timer, Resistor Set Frequency, External Synchronization, Power Good no 1 0.1 33.97 2 E,I 1.3 - Buck Buck 2.8 Buck 1 1.1 0.6 - Constant Frequency Current Mode no LTspice File DC1359A no no 2010-01-19 $3.50 (LT3640EUFD) High Input Voltage Buck,Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no yes Matte Tin
LT3507 4 4 36 1.5, 1.5, 2.4 Triple Step-Down (2.4A & Two 1.5A), LDO Controller yes no 5x7 QFN-38 0.8 2 2500 250kHz - 2.5MHz 250kHz - 2.5MHz LDO, Tracking, Power Good, Resistor Set Frequency, External Synchronization no 1 1 32.4 E,I,H 2.4 Controller Buck, LDO Buck 4.3 Buck 1.5 2.9 0.8 32.4 Buck 1.5 2.9 0.8 32.4 LDO 1 Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC1161B no no 2008-04-11 $4.25 (LT3507EUHF) Buck Regulator Plus LDO,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Multiple Output Buck,Multitopology DC/DC 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no yes Matte Tin
LT3507A 4 4 36 1.8, 1.8, 2.7 Triple Step-Down (2.7A & Two 1.8A), LDO, Improved Iout yes no 5x7 QFN-38,TSSOP-38 0.8 5 2500 250kHz - 2.5MHz 250kHz - 2.5MHz Anti-Phase Switching, Resistor Set Frequency, External Synchronization, Tracking, LDO no 1 1 32.4 E,I,H 2.7 Controller Buck, LDO Buck 4.3 Buck 1.8 2.9 0.6 32.4 Buck 1.8 2.9 0.6 32.4 LDO 1 Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC1781A no no 2011-06-27 $4.25 (LT3507AEUHF) Buck Regulator Plus LDO,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,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
LT3508 2 3.7 36 1.4, 1.4 Dual 1.4A Buck yes no 4x4 QFN-24,TSSOP-16 0.8 4.3 2500 250kHz - 2.5MHz 250kHz - 2.5MHz External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power Good yes 2 0.1 35.28 E,I,H 1.4 - Buck Buck 2.6 Buck 1.4 2.6 0.8 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC1060A no no 2007-01-22 $3.35 (LT3508EUF) Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Multiple Output Buck 16mm² (4x4 QFN-24),32.6mm² (TSSOP-16) 0.75mm (4x4 QFN-24),1.1mm (TSSOP-16) no yes Matte Tin
LT3509 2 3.6 36 0.7, 0.7 Dual 36V, 700mA Step-Down Regulator yes no 4x3 DFN-14,MS-16E 0.8 1.9 2200 300kHz - 2.2MHz 300kHz - 2.2MHz Overvoltage Protection, Resistor Set Frequency, External Synchronization no 1 9 35.28 2 E,I,H 0.7 - Buck Buck 1.4 Buck 0.7 1.4 0.8 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC1248A no no 2009-01-08 $2.95 (LT3509EDE) Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Multiple Output Buck 12mm² (4x3 DFN-14),19.8mm² (MS-16E) 0.75mm (4x3 DFN-14),1.1mm (MS-16E) no yes Matte Tin
LT3514 3 3.2 36 1, 1, 2 Triple Step-Down (2A, 1A, 1A) with 100% Duty Cycle yes no 4x5 QFN-28,TSSOP-24 0.8 2.7 2200 350kHz to 2.2MHz 350kHz to 2.2MHz Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good no 0.01 36 2 E,I 2 - Buck Buck 3.5 Buck 1 1.75 0.8 36 Buck 1 1.75 0.8 36 Constant Frequency Current Mode no LTspice File DC1980A no no 2013-08-05 $3.50 (LT3514EUFD) Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),50.6mm² (TSSOP-24) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-24) no no Matte Tin
LT3688 2 3.8 36 0.8, 0.8 Dual 800mA Step-Down, POR & Watchdog, Burst Mode yes no 4x4 QFN-24,TSSOP-24 0.8 0.065 2200 350kHz - 2.2MHz 350kHz - 2.2MHz Burst Mode, Watchdog Timer, Power On Reset, Resistor Set Frequency, External Synchronization no 1 0.01 32.4 2 E,I,H 0.8 - Buck Buck 1.7 Buck 0.8 1.7 0.8 - Constant Frequency Current Mode no 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
LT3692A 2 3 36 3.5, 3.5 LT3692A Offers Lower tON(MIN), Prog. UVLO, TSSOP-38E Package yes no 5x5 QFN-32,TSSOP-38 0.8 4 2250 250kHz - 2.25MHz 250kHz - 2.25MHz Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, Power Good yes 2 6 34.2 E,I,H 3.5 - Buck Buck 4.6 Buck 3.5 4.6 0.8 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC1403A no no 2011-07-15 $4.25 (LT3692AEUH) Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Multiple Output Buck 25mm² (5x5 QFN-32),62.7mm² (TSSOP-38) 0.75mm (5x5 QFN-32),1.2mm (TSSOP-38) no yes Matte Tin
LTC1876 3 3.5 36 25, 25 Dual Synchronous Buck And One Boost Controller no yes SSOP-36 0.8 0.35 1200 PolyPhase yes 2 20 7 1 E 25 - Buck, Boost Buck 25 Boost 25 25 .8 34 Buck 1 Constant Frequency Current Mode no Rsense - DC324A,DC386A no no 2000-10-30 $5.95 (LTC1876EG) External Power Switch Buck Controllers,Multiple Output Buck,Multitopology DC/DC 163.9mm² (SSOP-36) 2.64mm (SSOP-36) no no Lead,Matte Tin
LTC3708 2 4 36 25, 25 Dual Synchronous Buck Controller, Tracking, Fast Transient no yes 5x5 QFN-32 0.6 2.4 No Rsense, Tracking, PolyPhase yes 2 250 32.4 1 E 25 - Buck Buck 25 Buck 25 25 .8 Constant On-Time Valley Current Mode no None LTspice Model - no no 2003-12-11 $4.80 (LTC3708EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no no Lead,Matte Tin
LTC3727 2 4 36 25, 25 LTC3727 Vout 0.8V to 14V, Latch Off, 180ns Min On Time no yes SSOP-28 0.8 0.67 550 250kHz to 550kHz PolyPhase, Power Good, PLL, External Synchronization, Burst Mode yes 2 20 14 1 E 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense LTspice Model - no no 2001-11-26 $4.85 (LTC3727EG) External Power Switch Buck Controllers,Multiple Output Buck 86.1mm² (SSOP-28) 2mm (SSOP-28) no no Lead,Matte Tin
LTC3727-1 2 4 36 25, 25 LTC3727-1 Vout 0.8V to 14V, No Latch Off, 180ns Min On Time no yes 5x5 QFN-32,SSOP-28 0.8 0.67 550 250kHz to 550kHz PolyPhase, Power Good, PLL, External Synchronization, Burst Mode yes 2 20 14 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense LTspice File - no no 2001-11-26 $4.85 (LTC3727EG-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) no yes Lead,Matte Tin
LTC3727A-1 2 4 36 25, 25 LTC3727A-1 Vout 0.8V to 14V, No Latch Off, 120ns Min On Time no yes SSOP-28 0.8 0.67 550 250kHz to 550kHz PolyPhase, Power Good, PLL, External Synchronization, Burst Mode yes 2 20 14 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense LTspice Model DC457B no no 2001-11-26 $4.85 (LTC3727AEG-1) External Power Switch Buck Controllers,Multiple Output Buck 86.1mm² (SSOP-28) 2mm (SSOP-28) no yes Lead,Matte Tin
LTC3728 2 4 36 25, 25 Dual Synchronous Controller no yes 5x5 QFN-32,SSOP-28 0.8 0.47 550 250kHz - 550kHz PolyPhase, External Synchronization, Power Good, Burst Mode yes 2 20 5.5 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense LTspice File DC392A-B,DC447A,DC542A no no 2001-07-24 $5.00 (LTC3728EG) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) no yes Lead,Matte Tin
LTC3773 3 3.3 36 25, 25, 25 Triple Output Synchronous Tracking 3-Phase Buck no yes 5x7 QFN-38,SSOP-36 0.6 2.8 700 220kHz, 400kHz, 560kHz 160kHz - 700kHz Tracking, PolyPhase, Power Good, Selectable Switching Frequency, External Synchronization, Burst Mode yes 3 20 5 1.5 E 25 - Buck Buck 25 Buck 25 25 0.6 5 Buck 25 25 0.6 5 Constant Frequency Current Mode no Rsense LTspice Model DC908A,DC913A no no 2006-11-29 $3.95 (LTC3773EG) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38),163.9mm² (SSOP-36) 0.75mm (5x7 QFN-38),2.64mm (SSOP-36) no no Matte Tin,Lead
LTC3826 2 4 36 25, 25 30uA Iq, LTC3826 Clock Out Pin, Two PGOOD Outputs no yes 5x5 QFN-32 0.8 .03 530 250kHz - 530kHz 140kHz - 650kHz PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking yes 2 4 10 1 E,I 25 - Buck Buck 25 Buck 25 25 0.8 Constant Frequency Current Mode no Rsense 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, 25 30uA Iq, LTC3826-1 No Clock Out Pin, One PGOOD no yes SSOP-28 0.8 .03 530 250kHz - 530kHz 140kHz - 650kHz PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking yes 2 4 10 1 E,I 25 - Buck Buck 25 Buck 25 25 0.8 Constant Frequency Current Mode no Rsense 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
LTC3827 2 4 36 25, 25 80uA Iq, LTC3827 Clock Out Pin, Two PGOOD Outputs no yes 5x5 QFN-32 0.8 0.08 650 140kHz - 650kHz PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good yes 2 8 10 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense 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, 25 80uA Iq, LTC3827-1 No Clock Out Pin, One PGOOD no yes SSOP-28 0.8 0.08 650 140kHz - 650kHz PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good yes 2 8 10 1 E,I 25 - Buck Buck 25 Buck 25 25 0.8 Constant Frequency Current Mode no Rsense 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
LTC3774 (dual output) 2 4.5 38 30, 30 Dual, Multiphase Controller for Sub-Milliohm DCR Sensing no yes 5x6 QFN-36 0.6 9 1200 200kHz - 1.2MHz 200kHz - 1.2MHz Sub-Milliohm DCR Current Sense, Phase Shedding, Differential Remote Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good, No FET Drivers yes 2, 3, 4, 6, 8, 12 40 3.5 0.75 E,I 30 - Buck Buck 30 Buck 30 30 0.6 Advanced Constant Frequency Current Mode no Sub-Milliohm DCR, DCR, Rsense LTspice File,LTpowerCAD File DC2002A,DC2111A-A,DC2111A-B yes no 2013-10-18 $2.95 (LTC3774EUHE) External Power Switch Buck Controllers,Multiple Output Buck 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) no no Matte Tin
LTC3838 2 4.5 38 30, 30 Dual Fast Step Down Controller with Differential Output Sensing no yes 5x7 QFN-38,TSSOP-38 0.6 3 2000 200kHz to 2MHz 200kHz to 2MHz Differential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking yes 2 15 5.5 0.67 E,I 30 - Buck Buck 30 Buck 30 30 0.6 Controlled On-Time Valley Current Mode no Rsense, DCR LTspice File,LTpowerCAD File DC1626A-A,DC1626A-B,DC1801A-A,DC1801A-B no no 2011-10-28 $3.18 (LTC3838EUHF) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38),62.7mm² (TSSOP-38) 0.75mm (5x7 QFN-38),1.2mm (TSSOP-38) no no Matte Tin
LTC3838-1 2 4.5 38 30, 30 LTC3838-1 Dual Differential Output Sensing no yes 5x7 QFN-38 0.6 3 2000 200kHz to 2MHz 200kHz to 2MHz Differential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking yes 2 15 5.5 0.67 E,I 30 - Buck Buck 30 Buck 30 30 0.6 Controlled On-Time Valley Current Mode no Rsense, DCR LTspice File,LTpowerCAD Model DC1997A-A no no 2013-02-14 $3.18 (LTC3838EUHF-1) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no no Matte Tin
LTC3838-2 2 4.5 38 30, 30 LTC3838-2 Ext. Reference, Dual Differential Output Sensing no yes 5x7 QFN-38 0.6 3 2000 200kHz to 2MHz 200kHz to 2MHz Differential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking yes 2 15 5.5 0.67 E,I 30 - Buck Buck 30 Buck 30 30 0.6 Controlled On-Time Valley Current Mode no Rsense, DCR LTspice File,LTpowerCAD Model DC1997A-B no no 2013-02-12 $3.18 (LTC3838EUHF-2) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no no Matte Tin
LTC3855 2 4.5 38 30, 30 Dual, Multiphase Synchronous Controller with Diff. Remote Sense no yes 6x6 QFN-40,TSSOP-38 0.6 3.5 770 250kHz - 770kHz Differential Remote Sense, PolyPhase, DCR Current Sense, Tracking, External Synchronization yes 2, 3, 4, 6, 12 30 12.5 0.75 E,I 30 - Buck Buck 30 Buck 30 30 0.6 Constant Frequency Current Mode no Rsense, DCR LTspice File,LTpowerCAD File DC1441A,DC1586A,DC1617A-A,DC1617A-B yes no 2009-10-26 $3.18 (LTC3855EUJ) External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40),62.7mm² (TSSOP-38) 0.75mm (6x6 QFN-40),1.2mm (TSSOP-38) no yes Matte Tin
LTC3857 2 4 38 25, 25 Dual 50μA IQ Buck Controller, LTC3857 CLKOUT, Two PGOOD, Foldback no yes 5x5 QFN-32 0.8 0.05 850 50kHz - 900kHz 75kHz - 850kHz Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good yes 2 0.01 24 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense, DCR 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
LTC3857-1 2 4 38 25, 25 Dual 50μA IQ Buck Controller, LTC3857-1 One PGOOD, Foldback no yes SSOP-28 0.8 0.05 850 50kHz - 900kHz 75kHz - 850kHz Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good yes 2 0.01 24 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense, DCR 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
LTC3858 2 4 38 25, 25 Dual 170μA IQ Buck Controller, LTC3858 CLKOUT, Two PGOOD, Latch Off no yes 5x5 QFN-32 0.8 0.17 900 50kHz - 900kHz 75kHz - 850kHz DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good, PolyPhase yes 2 8 24 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense, DCR LTspice Model,LTpowerCAD File DC1381A-B,DC1510A-A,DC1510A-B no no 2009-07-08 $4.00 (LTC3858EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no no Matte Tin
LTC3858-1 2 4 38 25, 25 Dual 170μA IQ Buck Controller, LTC3858-1 One PGOOD, Latch Off no yes 4x5 QFN-28,SSOP-28 0.8 0.17 900 50kHz - 900kHz 75kHz - 850kHz DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good, PolyPhase yes 2 8 24 1 E,I 25 - Buck Buck 25 Buck 25 25 .8 Constant Frequency Current Mode no Rsense, DCR LTspice File,LTpowerCAD File DC1352A-B no no 2009-07-08 $3.88 (LTC3858EGN-1) External Power Switch Buck Controllers,Multiple Output Buck 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) no yes Matte Tin
LTC3858-2 2 4 38 25, 25 LTC3858-2 OVP Crowbar and Short Circuit Latch-Off Disabled no yes 5x5 QFN-32 0.8 0.4 900 50kHz - 900kHz 75kHz - 850kHz Burst Mode, Tracking, Resistor Set Frequency, External Synchronization, DCR Current Sense, Anti-Phase Switching, Power Good yes 2 8 24 1 E,I 20 - Buck Buck 25 Buck 20 25 0.8 Constant Frequency Current Mode no Rsense, DCR LTspice Model,LTpowerCAD Model - no no 2010-11-24 $4.00 (LTC3858EUH-2) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no no Matte Tin
LTC3859AL 3 4.5 38 25, 25 Triple Buck/Buck/Boost Synch Controller, Improved Burst Mode no yes 5x7 QFN-38,TSSOP-38 0.8 0.055 900 50kHz - 900kHz 75kHz - 850kHz PolyPhase, Burst Mode, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking yes 2 14 24 1 E,I,H,MP 25 - Buck, Boost Buck 25 Buck 25 25 0.8 24 Buck 25 0.8 60 Constant Frequency Current Mode no Rsense, DCR 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
LTC3865 2 4.5 38 25, 25 Pin Selectable Outputs, LTC3865 Adjustable Current Limit no yes 5x5 QFN-32,TSSOP-38 0.6 3 770 250kHz - 770kHz 250kHz - 770kHz Pin Selectable Output Voltage, PolyPhase, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good yes 2 30 5 1 E,I 25 - Buck Buck 25 Buck 25 25 0.6 Constant Frequency Current Mode no Rsense, DCR LTspice File DC1479A,DC1480A no no 2010-02-05 $2.65 (LTC3865EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),62.7mm² (TSSOP-38) 0.75mm (5x5 QFN-32),1.2mm (TSSOP-38) no yes Matte Tin
LTC3865-1 2 4.5 38 25, 25 Pin Selectable Outputs, LTC3865 Two PGOOD, No Adjustable Current Limit no yes 5x5 QFN-32 0.6 3 770 250kHz - 770kHz 250kHz - 770kHz Pin Selectable Output Voltage, PolyPhase, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good yes 2 30 5 1 E,I 25 - Buck Buck 25 Buck 25 25 0.6 Constant Frequency Current Mode no Rsense, DCR LTspice File DC1479A,DC1480A no no 2010-02-05 $2.65 (LTC3865EUH-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no yes Matte Tin
LTC3869 (dual output) 2 4 38 30, 30 Dual, 2-Phase Synchronous Step-Down Controller no yes 4x4 QFN-28,4x5 QFN-28,SSOP-28 0.6 3 780 250kHz - 780kHz 250kHz - 780kHz PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good yes 2 30 12.5 0.75 E,I 30 - Buck Buck 30 Buck 30 30 0.6 Constant Frequency Current Mode no Rsense, DCR LTspice File,LTpowerCAD File DC1798A-A,DC1798A-B,DC1807A-A,DC1807A-B yes no 2011-02-07 $2.65 (LTC3869EUF) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-28),20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),0.75mm (4x4 QFN-28),1.75mm (SSOP-28) no yes Matte Tin
LTC3875 (dual output) 2 4.5 38 30, 30 Dual, 2-Phase, Low Value DCR Sensing and Temp Comp no yes 6x6 QFN-40 0.6 7 720 250kHz - 720kHz 250kHz - 720kHz Resistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good yes 2, 3, 4, 6, 12 40 5 0.75 E,I 30 - Buck Buck 30 Buck 30 30 0.6 Constant Frequency Current Mode no Rsense, DCR, Sub-Milliohm DCR LTspice File,LTpowerCAD File DC2000A,DC2055A,DC2142A,DC2225A no no 2013-12-20 $3.47 (LTC3875EUJ) External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no yes Matte Tin
LTC3877 (dual output) 2 4.5 38 30, 30 Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Sensing no yes 7x7 QFN-44 0.6 7.3 1000 250kHz - 1MHz 250kHz - 1MHz VID Voltage Programming, Differential Remote Sense, PolyPhase, External Synchronization, Power Good, Resistor Set Frequency yes 2, 3, 4, 6, 8, 12 33 5 1 E,I 30 Buck Buck 30 Buck 30 30 0.6 5 Constant Frequency Current Mode no Sub-Milliohm DCR, Rsense, DCR - DC2229A-A,DC2229A-B no yes 2015-07-27 $3.94 (LTC3877EUK) Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 49mm² (7x7 QFN-44) 0.75mm (7x7 QFN-44) no no Matte Tin
LTC3884 (dual output) 2 4.5 38 30, 30 Dual Output PolyPhase Step-Down Controller with Sub MilliOhm DCR Sensing and Digital Power System Management no yes 7x7 QFN-48 0.5 23 1000 200kHz - 1MHz 200kHz - 1MHz PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization yes 2, 4, 6 5.5 0.5 E,I 30 - Buck, Buck Buck 30 Buck 30 30 0.5 5.5 Constant Frequency Current Mode no Rsense, DCR, Sub-milliohm DCR LTspice Model,LTpowerCAD File DC2165A,DC2283A,DC2084A,DC2298A yes yes 2015-10-13 $6.35 (LTC3884EUK) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 49mm² (7x7 QFN-48) 0.75mm (7x7 QFN-48) no no Matte Tin
LT3504 4 3.2 40 1, 1 Quad 1A Buck, On-Chip Boost Allows 100% Duty Cycle yes no 4x5 QFN-28 0.8 2.7 2200 250kHz - 2.2MHz 350kHz - 2.2MHz 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking no 0.01 40 2 E,I 1 - Buck Buck 1.75 Buck 1 1.75 0.8 40 Buck 1 1.75 0.8 40 Buck 1 1.75 Constant Frequency Current Mode no LTspice File DC1207A no no 2012-07-06 $3.50 (LT3504EUFD) Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28) 0.75mm (4x5 QFN-28) no yes Matte Tin
LT3641 2 4 42 1.1, 1.3 Dual High (42V) and Low (5.5V) Vin Buck, POR & Watchdog yes yes 4x5 QFN-28,TSSOP-28 1.265 0.275 2500 350kHz - 2.5MHz 350kHz - 2.5MHz Resistor Set Frequency, External Synchronization, Power On Reset, Watchdog Timer, Tracking, Power Good, Soft Start no 1 0.1 40.97 2 E,I,H 1.3 - Buck Buck 2.8 Buck 1.1 1.7 0.6 - Constant Frequency Current Mode no LTspice File DC1727A no no 2011-07-26 $3.65 (LT3641EUFD) Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Multiple Output Buck 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) no yes Matte Tin
LT8601 3 3 42 2.5, 1.8, 1.5 Triple 42V, 2.5A, 1.8A, 1.5A Monolithic Synchronous Step-Down yes yes 6x6 QFN-40 1 0.03 2200 250kHz - 2.2MHz 250kHz - 2.2MHz Burst Mode, Resistor Set Frequency, External Synchronization, Power On Reset, Power Good no 1 0.1 41.4 1.5 E,I 2.5 - Buck Buck 4 Buck 1.5 2.7 1 41.4 Buck 1.8 3.2 0.8 5.5 Constant Frequency Current Mode no 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
LT8602 4 3 42 1.5, 1.8, 1.8, 2.5 Quad Monolithic Step-Down (2 HV Buck 2.5A/1.5A, 2 LV Buck 1.8A/1.8A) yes yes 6x6 QFN-40 1 0.03 2200 250kHz - 2.2MHz 250kHz - 2.2MHz Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, PolyPhase yes 2 0.1 42 1.2 E,I 2.5 - Buck Buck 4 Buck 1.8 2.3 1 42 Buck 1.8 3.1 0.8 5.5 Buck 1.5 3.1 Constant Frequency Current Mode no 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
LT8616 2 3.4 42 1.5, 2.5 Dual 2.5A/1.5A 42V Synchronous Monolithic Step-Down with 6.5μA Iq yes yes 3x6 QFN-28,TSSOP-28 0.79 0.003 3000 200kHz - 3MHz 200kHz - 3MHz Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good no 1.7 41.8 1 E,I,H 2.5 - Buck Buck 5.5 Buck 1.5 4.2 0.79 41.8 Constant Frequency Current Mode no 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
LT8471 2 2.6 50 2, 2 Dual, Multitopology (Buck/Boost/SEPIC/Inverter/Flyback) yes no 4x5 QFN-28,TSSOP-20 0.789 2.4 2000 100kHz - 2MHz 100kHz - 2MHz External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Power Good no 2 0.01 50 2 E,I,H 1.6 - Buck, Boost, Sepic, Zeta, Flyback, Inverting Buck, Boost, Sepic, Zeta, Flyback, Inverting 2.55 Buck, Boost, Sepic, Zeta, Flyback, Inverting 1.6 2 0.789 50 - Constant Frequency Current Mode no LTspice File DC1854A yes no 2014-02-03 $3.75 (LT8471EFE) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers,High Input Voltage Buck,Internal Power Switch Boost,Internal Power Switch Buck,Inverting Regulators,Multiple Output Boost,Multiple Output Buck,Multitopology DC/DC 20mm² (4x5 QFN-28),42.2mm² (TSSOP-20) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-20) no no Matte Tin
LT3988 2 4.1 60 1, 1 Dual 1A Buck, 80V OVP, Integrated Boost Diodes yes no MS-16E 0.75 1.6 2500 250kHz - 2.5MHz 250kHz - 2.5MHz Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking no 1 0.1 59.4 2 E,I,H 1 - Buck Buck 1.32 Buck 1 1.32 0.75 - Constant Frequency Current Mode no LTspice File DC1677A no no 2012-04-02 $3.65 (LT3988EMSE) Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Multiple Output Buck 19.8mm² (MS-16E) 1.1mm (MS-16E) no yes Matte Tin
LT3992 2 3 60 3, 3 Dual Tracking 3A Buck, Antiphase Switching, Parallelable yes no 5x5 QFN-32,TSSOP-38 0.8 4.2 2000 250kHz - 2MHz 250kHz - 2MHz Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking yes 6 58.8 2.23 E,I,H 3 - Buck Buck 4.6 Buck 3 4.6 0.8 - Constant Frequency Current Mode no LTspice File,LTpowerCAD Model DC1537A no no 2012-03-19 $4.65 (LT3992EUH) Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Multiple Output Buck 25mm² (5x5 QFN-32),62.7mm² (TSSOP-38) 0.75mm (5x5 QFN-32),1.2mm (TSSOP-38) no yes Matte Tin
LTC3870 2 4.5 60 20, 20 Slave Controller for LTC3880/LTC3883 with PSM no yes 4x5 QFN-28 0.5 1.1 1000 100kHz - 1MHz 100kHz - 1MHz PolyPhase, External Synchronization, Resistor Set Frequency yes 2 1100 14 E,I 20 - Buck Buck 20 Buck 20 20 0.5 14 Constant Frequency Current Mode no Rsense, DCR LTspice Model,LTpowerCAD File DC2089A-A,DC2089A-B,DC2155A-B yes no 2014-03-03 $2.35 (LTC3870EUFD) Digital Power System Management,External Power Switch Buck Controllers,High Input Voltage Buck,Multiple Output Buck 20mm² (4x5 QFN-28) 0.75mm (4x5 QFN-28) no no Matte Tin
LTC3870-1 2 4.5 60 20, 20 PolyPhase Step-Down Slave Controller for Digital Power System Management no yes 4x4 QFN-24 0.5 1.1 1000 100kHz - 1MHz 100kHz - 1MHz PolyPhase, External Synchronization, Resistor Set Frequency 2 14 0.5 E,I 20 - Buck Buck 20 Buck 20 20 0.5 14 Constant Frequency Current Mode no Rsense, DCR LTspice Model DC2454A no yes 2015-11-10 $2.35 (LTC3870EUF-1) Digital Power System Management,External Power Switch Buck Controllers,High Input Voltage Buck,Multiple Output Buck 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) no no Matte Tin
LTC3886 (dual output) 2 4.5 60 15, 15 60V Dual Output Step-Down Controller with Digital Power System Management no yes 7x8 QFN-52 0.5 26 750 100kHz to 750kHz 100kHz to 750kHz PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization yes 2, 4, 6 13.8 0.5 E,I 15 - Buck Buck 15 Buck 15 15 0.5 13.8 Constant Frequency Current Mode no Rsense, DCR LTpowerCAD Model,Linduino File DC2155A-A,DC2277A,DC2155A-B yes yes 2015-07-20 $6.35 (LTC3886EUKG) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Multiple Output Buck 56mm² (7x8 QFN-52) 0.75mm (7x8 QFN-52) no yes Matte Tin
LTC3890 2 4 60 15, 15 LTC3890 Adj. Current Limit, Multi-Phase, Current Limit Foldback no yes 5x5 QFN-32 0.8 0.06 900 50kHz - 900kHz 75kHz - 850kHz Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good, PolyPhase yes 2 14 24 1 E,I,H,MP 15 - Buck Buck 15 Buck 15 15 0.8 Constant Frequency Current Mode no Rsense, DCR 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, 15 LTC3890-1 No Multi-Phase, Current Limit Foldback, Forced Continuous no yes SSOP-28 0.8 0.06 900 50kHz - 900kHz 75kHz - 850kHz Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhase yes 2 14 24 1 E,I,H,MP 15 - Buck Buck 15 Buck 15 15 0.8 Constant Frequency Current Mode no Rsense, DCR 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, 15 LTC3890-2 Adj. Current Limit, Multi-Phase, Pulse Skip, Can Make Boost/SEPIC no yes 5x5 QFN-32 0.8 0.050 900 50kHz - 900kHz 75kHz - 850kHz DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good no 2 14 24 1.5 E,I,H,MP 15 - Buck Buck 15 Buck 15 15 0.8 Constant Frequency Current Mode no Rsense, DCR 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
LTC3890-3 2 4 60 15, 15 LTC3890-3 Pulse Skipping, Can Make Boost/SEPIC no yes SSOP-28 0.8 0.050 900 50kHz - 900kHz 75kHz - 850kHz DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good yes 2 14 24 1.5 E,I,H,MP 15 - Buck Buck 15 Buck 15 15 0.8 Constant Frequency Current Mode no Rsense, DCR 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
LTC3892 (dual output) 2 4.5 60 15, 15 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM no yes 5x5 QFN-32 0.8 0.034 900 50kHz - 900kHz 75kHz - 850kHz Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power Good yes 2 3.6 59.4 1.5 E,I,H,MP 15 - Buck Buck 15 Buck 15 15 0.8 59.4 Constant Frequency Current Mode no Rsense, DCR 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 20, 20 60V Low IQ, Dual, 2-Phase Synch Buck Controller, Fixed ILIM no yes TSSOP-28 0.8 0.034 900 50kHz - 900kHz 75kHz - 850kHz Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking yes 2 3.6 59.4 1.5 E,I,H,MP 25 - Buck Buck 25 Buck 25 25 0.8 59.4 Constant Frequency Current Mode no Rsense, DCR 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 20, 20 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM, Pulse Skip no yes 5x5 QFN-32 0.8 0.034 900 50kHz - 900kHz 75kHz - 850kHz Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking yes 2 3.6 59.4 1.5 E,I,H,MP 25 - Buck Buck 25 Buck 25 25 0.8 59.4 Constant Frequency Current Mode no Rsense, DCR 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
LTC3899 3 4.5 60 15, 15 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller no yes 5x7 QFN-38,TSSOP-38 0.8 0.039 900 75kHz - 850kHz 50kHz - 900kHz Burst Mode, Resistor Set Frequency, External Synchronization, Tracking no 1 3.6 59.4 1.5 E,I,H,MP 15 - Buck, Buck, Boost Buck 15 Buck 15 15 0.8 59.4 Boost 15 1.2 60 Constant Frequency Current Mode no Rsense, DCR 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