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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)
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 (LTC3410ESC6-1.2) Internal Power Switch Buck,Micropower Buck Regulators 5.3mm² (SC-70) 1mm (SC-70) no no 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
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
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
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
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
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
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
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
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 (LTC3642EDD-3.3) 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
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
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
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
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
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
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
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
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
LTC3406-1.8 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
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
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
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
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
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
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
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
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 (LTC3621EMS8E-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
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
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
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
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
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
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
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 (LTC3631EDD-3.3) 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
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
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
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
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
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
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
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
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
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
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 DFN-10),9mm² (3x3 UTDFN-10) 0.55mm (3x3 UTDFN-10),0.75mm (3x3 DFN-10) no no Lead,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 (LTC3624EMSE) 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
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
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
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
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
LT3689-5 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
LTC3857-1 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
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
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
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
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 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
LTC3890-3 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
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
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
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 × 9mm × 2.82mm LGA),135mm² (15mm x 9mm x 3.42mm BGA) 2.82mm (15mm × 9mm × 2.82mm LGA),3.42mm (15mm x 9mm x 3.42mm 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
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 × 11.25mm × 4.32mm LGA),168.8mm² (15mm x 11.25mm x 4.92mm BGA) 4.32mm (15mm × 11.25mm × 4.32mm LGA),4.92mm (15mm x 11.25mm x 4.92mm BGA) no no Gold,SAC305,Tin-Lead
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
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 LTspice Model,LTpowerCAD File 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
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 (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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 (LTC3622EDE-2) 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
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
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
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
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
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
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
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
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
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
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
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