Power Management PMIC & Multifunction Multitopology DC/DC

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Number of Outputs Buck Output Current Buck-Boost Output Current Boost Switch Current Inverting Switch Current LDO Output Current Comments Packages Features Topology Topology 1 Topology 2 Vin Min Vin Max Vout Min Vout Min 2 Vout Max Vout Max 2 Vout Maximum Vswitch Max Frequency Frequency Adjust Range Frequency Sync Range Ishutdown Isupply Monolithic Tracking Synchronous Output Current Output Current 2 Output Current 3 Output Current 4 Switch Current Switch Current 2 Switch Current 3 Switch Current 4 Temp Range Design Tools Demo Boards Featured New Date Added Price 1k* Product Category Package Area Package Height Export Control Auto & Transport Terminal Finish
Units A A A A A V V V V V V V kHz µA mA yes/no yes/no yes/no A A A A A A A A mm² mm yes/no
Selection
(hold Ctrl key to select multiple,
hold Shift key to select range)
LT3570 2 1.5 - 1.5 - Controller 1.5A Buck, 1.5A Boost and LDO Controller 4x4 QFN-24,TSSOP-20 Resistor Set Frequency, External Synchronization, LDO Buck, Boost, LDO Buck Boost, Sepic, Flyback 2.1 36 0.8 0.8 36 36 36V 36 2500 500kHz - 2MHz Up to 2.5MHz 0 3.2 yes no no 1.5 1 .020 2.4 2.4 E,I LTspice File DC1106A no no 2008-10-08 $2.95 (LT3570EUF) Buck Regulator Plus LDO,Internal Power Switch Boost,Internal Power Switch Buck,Multitopology DC/DC 16mm² (4x4 QFN-24),42.2mm² (TSSOP-20) 0.75mm (4x4 QFN-24),1.2mm (TSSOP-20) no yes Matte Tin
LTC3446 3 1 - - - 0.3, 0.3 1A Buck Regulator with Dual 600mA VLDO Regulators 4x3 DFN-14 LDO, Power Good, Burst Mode Buck, LDO, LDO Buck LDO 2.7 5.5 0.8 0.4 5.5 5.432 Vin 2250 1 0.05 yes no yes 1 0.3 0.3 1.55 E,I 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
LTC3537 2 - - 0.6 - 0.1 2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO 3x3 QFN-16 Burst Mode, Output Disconnect, LDO, Power Good Boost, LDO Boost LDO 0.68 5 1.5 .6 5.25 5 5.25V 6 2200 0.02 0.015 yes no yes .1 0.75 E LTspice Model DC1242A no no 2008-01-07 $2.40 (LTC3537EUD) Internal Power Switch Boost,Micropower Boost,Multitopology DC/DC 9mm² (3x3 QFN-16) 0.75mm (3x3 QFN-16) no no Matte Tin
LT1939 2 2 - - - Controller 2A, 25V Step-Down with LDO Controller 3x3 DFN-12 LDO, Tracking, Resistor Set Frequency, External Synchronization, Power Good Buck, LDO Buck LDO 3 25 0.8 0.8 24.25 24.2 .97Vin 2200 250kHz to 2.2MHz 250kHz to 2.2MHz 12 2.5 yes yes no 2 1 2.8 E,I LTspice File,LTpowerCAD Model DC1293A no no 2008-01-08 $3.05 (LT1939EDD) Buck Regulator Plus LDO,Internal Power Switch Buck,Multitopology DC/DC 9mm² (3x3 DFN-12) 0.75mm (3x3 DFN-12) no yes Matte Tin
LT3500 2 2 - - - Controller 2A, 36V Step-Down with LDO Controller 3x3 DFN-12,MS-16E External Synchronization, Resistor Set Frequency, Power Good, LDO Buck, LDO Buck LDO 3 36 0.8 0.8 34.92 36 .97Vin 2200 250kHz - 2.2MHz 250kHz - 2.2MHz 12 2.5 yes no no 2 1 2.8 E,I,H LTspice File,LTpowerCAD Model DC1069A no no 2007-10-12 $3.25 (LT3500EDD) Buck Regulator Plus LDO,Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Internal Power Switch Buck,Multitopology DC/DC 9mm² (3x3 DFN-12),19.8mm² (MS-16E) 0.75mm (3x3 DFN-12),1.1mm (MS-16E) no yes Matte Tin
LT3513 5 2.5 - 0.25, 1.6 0.25 - 2MHz High Current 5-Output Regulator for TFT-LCD Panels 5x7 QFN-38 Integrated Schottky Diode, Power Good Buck, Boost, Inverting Buck Boost, Sepic, Flyback 4.5 30 0.8 0.8 40 40 40V 40 2000 30 7.5 yes no no 2.2 3 1.85 0.3 0.3 E,I LTspice File DC1028A no no 2008-07-28 $4.25 (LT3513EUHF) LCD/CCD/OLED Bias,Multitopology DC/DC 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no yes Matte Tin
LT1945 2 - - 0.35 0.35 - 350mA Boost and 350mA Inverter in Single Pakcage MS-10 - Boost, Sepic, Flyback, Inverting Boost Inverting 1.2 15 1.23 1.23 36 36 36V 36 Constant Off Time 1 0.02 yes no no 0.35 0.35 E,I LTspice File - no no 2001-09-20 $2.06 (LT1945EMS) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Micropower Boost,Multitopology DC/DC 14.7mm² (MS-10) 1.1mm (MS-10) no yes Lead,Matte Tin
LT3645 2 0.5 - 0.2 36V 500mA Step-Down Regulator and 200mA LDO 3x3 QFN-16,MS-12E Overvoltage Protection, LDO, Power Good Buck, LDO Buck LDO 3.6 36 0.8 0.8 16 16V 750 0.01 1.4 yes no no 0.5 0.2 1 E,I,H LTspice File,LTpowerCAD Model DC1428A no no 2011-05-02 $2.25 (LT3645EUD) Buck Regulator Plus LDO,Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Multitopology DC/DC 9mm² (3x3 QFN-16),19.8mm² (MS-12E) 0.75mm (3x3 QFN-16),1.1mm (MS-12E) no yes Matte Tin
LT3694 3 2.6 - - - Controller, Controller 36V, 2.6A Monolithic Buck Regulator with Dual LDO 4x5 QFN-28,TSSOP-20 LDO, Tracking, Resistor Set Frequency, External Synchronization Buck, LDO Buck LDO 4 36 0.75 0.75 16 16 16V 2500 250kHz - 2.5MHz 250kHz - 2.5MHz 0.1 1 yes yes no 2.6 1 1 4.9 E,I LTspice File,LTpowerCAD Model DC1541A-A yes no 2010-10-29 $3.85 (LT3694EUFD-1) Buck Regulator Plus LDO,High Input Voltage Buck,Internal Power Switch Buck,Multitopology DC/DC 20mm² (4x5 QFN-28),42.2mm² (TSSOP-20) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-20) no yes Matte Tin
LTC3672B-2 3 0.5 - - - 0.15, 0.15 400mA Buck (Fixed 1.2V) with Dual 150mA LDOs (Fixed 1.8V & 2.8V) 2x2 DFN-8 LDO, Fixed Output, 100% Duty Cycle, Adjustable Slew Rate Buck, LDO Buck LDO 2.9 5.5 1.2 1.8 1.2 1.8 1.2V (Buck), 1.8V (LDO), 2.8V (LDO) Fixed 2250 1 0.26 yes no yes 0.4 0.15 0.15 0.8 E LTspice Model DC1324A no no 2007-07-30 $1.95 (LTC3672BEDC-2) Buck Regulator Plus LDO,Internal Power Switch Buck,Multitopology DC/DC 4mm² (2x2 DFN-8) 0.75mm (2x2 DFN-8) no no Matte Tin
LTC3672B-1 3 0.5 - - - 0.15, 0.15 400mA Buck (Fixed 1.8V) with Dual 150mA LDOs (Fixed 1.2V & 2.8V) 2x2 DFN-8 LDO, Fixed Output, 100% Duty Cycle, Adjustable Slew Rate Buck, LDO Buck LDO 2.9 5.5 1.8 1.2 1.8 1.2 1.8V (Buck), 1.2V (LDO), 2.8V (LDO) Fixed 2250 1 0.26 yes no yes 0.4 0.15 0.15 0.8 E LTspice Model - no no 2007-06-20 $1.95 (LTC3672BEDC-1) Buck Regulator Plus LDO,Internal Power Switch Buck,Multitopology DC/DC 4mm² (2x2 DFN-8) 0.75mm (2x2 DFN-8) no no Matte Tin
LT3668 3 0.4 - - - 0.2, 0.2 40V 400mA Step-Down Switching Reg. with Dual Tracking LDOs MS-16E Burst Mode, Tracking, Resistor Set Frequency, Power Good Buck, LDO Buck LDO 4.3 40 1.2 1 39.4 10 2200 250kHz - 2.2MHz 1 0.050 yes yes no 0.4 0.2 0.2 0.75 E,I,H LTspice Model DC2243A no no 2014-10-07 $2.55 (LT3668EMSE) Buck Regulator Plus LDO,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Multitopology DC/DC 19.8mm² (MS-16E) 1.1mm (MS-16E) no no Matte Tin
LTC3541 2 0.5 - - - 0.3 500mA Buck + 300mA VLDO, LTC3541 Buck Powers Up First 3x3 DFN-10 LDO, Sequencing, 100% Duty Cycle Buck, LDO Buck LDO 2.7 5.5 0.8 0.4 5 4.1 0.8V to 5V (swreg), 0.4V to 4.1V (ldo) 2250 0.1 0.285 yes no yes 0.5 0.3 0.95 E LTspice File DC970A-A no no 2007-02-13 $1.89 (LTC3541EDD) Buck Regulator Plus LDO,Internal Power Switch Buck,Multitopology DC/DC 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Matte Tin
LTC3541-1 2 0.5 - - - 0.3 500mA Buck + 300mA VLDO, LTC3541-1 LDO Powers Up First 3x3 DFN-10 LDO, Sequencing, 100% Duty Cycle Buck, LDO Buck LDO 2.7 5.5 0.8 0.4 5 4.1 Buck: .8 to 5V, VLDO: 0.4 to 4.1V 2250 0.1 0.315 yes no yes 0.5 .3 0.95 E LTspice Model DC970A-B no no 2007-02-13 $1.89 (LTC3541EDD-1) Buck Regulator Plus LDO,Internal Power Switch Buck,Multitopology DC/DC 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Matte Tin
LTC3541-2 2 0.5 - - - 0.3 500mA Buck + 300mA VLDO, LTC3541-2 Buck Powers Up First, 1.875V Fixed Vout 3x3 DFN-10 LDO, Sequencing, 100% Duty Cycle Buck, LDO Buck LDO 2.7 5.5 1.875 1.5 1.875 1.5 1.875V and 1.5V (fixed) 2250 0.1 0.285 yes no yes 0.5 0.3 0.95 E LTspice Model - no no 2007-02-13 $1.89 (LTC3541EDD-2) Buck Regulator Plus LDO,Internal Power Switch Buck,Multitopology DC/DC 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Matte Tin
LTC3541-3 2 0.5 - - - 0.3 500mA Buck + 300mA VLDO, LTC3541-3 LDO Powers Up First, 1.8V Fixed Vout 3x3 DFN-10 LDO, Sequencing, 100% Duty Cycle Buck, LDO Buck LDO 2.7 5.5 1.8 1.575 1.8 1.575 1.8V and 1.575V (fixed) 2250 0.1 0.285 yes no yes 0.5 0.3 0.95 E LTspice Model - no no 2007-02-13 $1.89 (LTC3541EDD-3) Buck Regulator Plus LDO,Internal Power Switch Buck,Multitopology DC/DC 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Matte Tin
LTC3899 3 15, 15 - 15 - - 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller 5x7 QFN-38,TSSOP-38 Burst Mode, Resistor Set Frequency, External Synchronization, Tracking Buck, Buck, Boost Buck Buck 4.5 60 0.8 0.8 59.4 59.4 60V 60 900 75kHz - 850kHz 50kHz - 900kHz 3.6 0.039 no yes yes 15 15 15 15 15 E,I,H,MP 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
LT3667 3 0.4 - - - 0.2, 0.2 60V Transient Protection, Dual LDO 3x5 QFN-24,MS-16E Burst Mode, Resistor Set Frequency, External Synchronization, Power Good Buck, LDO, LDO Buck LDO 4.3 40 1.2 0.8 38.6 38.6 2200 250kHz - 2.2MHz 300kHz - 2.2MHz 0.01 0.040 yes no no 0.4 0.2 0.2 0.75 E,I,H LTspice File DC1869A yes no 2014-02-03 $2.55 (LT3667EMSE) Buck Regulator Plus LDO,Extended Temperature (H & MP) Switching Regulators,High Input Voltage Buck,Multitopology DC/DC 15mm² (3x5 QFN-24),19.8mm² (MS-16E) 0.75mm (3x5 QFN-24),1.1mm (MS-16E) no no Matte Tin
LTC3675 7 0.5, 0.5, 1, 1 1 1 - 0.025 7-Channel Configurable High Power PMIC 4x7 QFN-44 Burst Mode, I2C Control, Adjustable Slew Rate Buck, LED Driver Buck Buck 2.7 5.5 0.425 0.425 5.5 5.5 Vin 2250 16 0.02 yes no yes 1 1 0.5 0.5 2.8 2.8 1.2 1.2 E - DC1607A yes no 2010-08-04 $5.05 (LTC3675EUFF-1) Digitally Programmable Regulators,Multitopology DC/DC,Step-Up (Boost) LED Drivers 28mm² (4x7 QFN-44) 0.75mm (4x7 QFN-44) no no Matte Tin,Lead
LTC3100 3 0.25 - 0.7 - 0.1 700mA Boost, 250mA Buck, 100mA LDO 3x3 QFN-16 Burst Mode, Power Good, LDO, Output Disconnect, Sequencing Buck, Boost, LDO Buck Boost 0.65 5 0.6 0.6 5.25 5.25 Vin 6 1500 0.01 0.015 yes no yes 0.25 0.1 0.45 0.85 E 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
LTC3589-1 8 1, 1, 1.6 1.2 - - 0.025, 0.25, 0.25, 0.25 8-Output I2C Regulator, PGODD Timeout Disabled, 2ms PWR_ON to Wake Delay 6x6 QFN-40 I2C Control, Selectable Switching Frequency, Adjustable Slew Rate, Pushbutton Reset, Power Good Buck, Buck-Boost Buck Buck 2.7 5.5 0.75 0.75 5 5 5V 6 2250 1.12MHz or 2.25MHz 0.3 yes yes yes 1.6 1.2 1.2 1.2 2.7 1.9 1.9 E,I,H Linduino File DC1558A,DC1808B-A,DC1808B-B yes no 2010-06-03 $4.65 (LTC3589EUJ-1) Digitally Programmable Regulators,Extended Temperature (H & MP) Switching Regulators,Multitopology DC/DC 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no yes Matte Tin
LTC3589-2 8 1, 1, 1.6 1.2 - - 0.025, 0.25, 0.25, 0.25 8-Output I2C Regulator, PGOOD Timeout Disabled, 2ms PWR_ON to Wake Delay, No Wait to Enable 6x6 QFN-40 I2C Control, Selectable Switching Frequency, Adjustable Slew Rate, Pushbutton Reset, Power Good Buck, Buck-Boost Buck Buck 2.7 5.5 0.75 0.75 5 5 5V 6 2250 1.12MHz or 2.25MHz 0.3 yes yes yes 1.6 1.2 1.2 1.2 2.7 1.9 1.9 E,I,H Linduino File DC1558A,DC1808B-A,DC1808B-B yes no 2010-06-03 $4.65 (LTC3589EUJ-2) Digitally Programmable Regulators,Extended Temperature (H & MP) Switching Regulators,Multitopology DC/DC 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no yes Matte Tin
LTC3589 8 1, 1, 1.6 1.2 - - 0.025, 0.25, 0.25, 0.25 8-Output I2C Regulator, PGOOD Timeout Enabled, 50ms PWR_ON to Wake Delay 6x6 QFN-40 I2C Control, Selectable Switching Frequency, Adjustable Slew Rate, Pushbutton Reset, Power Good Buck, Buck-Boost Buck Buck 2.7 5.5 0.75 0.75 5 5 5V 6 2250 1.12MHz or 2.25MHz 0.3 yes yes yes 1.6 1 1 1.2 2.7 1.9 1.9 E,I,H Linduino File DC1558A,DC1808B-A,DC1808B-B yes no 2010-06-03 $4.65 (LTC3589EUJ) Digitally Programmable Regulators,Extended Temperature (H & MP) Switching Regulators,Multitopology DC/DC 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no yes Matte Tin
LTC3524 4 - - 0.025, 0.002 0.002 - Adjustable TFT Bias Supply with WLED Driver 4x4 QFN-24 Sequencing Boost, Inverting Boost Inverting 2.5 6 -20 -20 20 20 +/- 20V 26 0.02 4 yes no no 0.150 0.7 E LTspice File DC1121A no no 2008-02-11 $2.25 (LTC3524EUF) LCD/CCD/OLED Bias,Multitopology DC/DC 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) no no Lead,Matte Tin
LT3472 2 - - 0.02 0.05 - Boost and Inverting DC/DC Converter for CCD Bias 3x3 DFN-10 Integrated Schottky Diode, Sequencing Boost, Inverting, Sepic, Flyback Boost, Sepic, Flyback Inverting 2.2 16 1.25 1.25 34 34 +/- 34V 36 1100 0.1 2.8 yes no no 0.4 0.35 E LTspice Model DC760A no no 2004-09-08 $1.95 (LT3472EDD) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Multitopology DC/DC,SEPIC Regulators 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Lead,Matte Tin
LT3471 2 - - 1.3, 1.3 1.3 - Dual 1.3A, 1.2MHz Boost/Inverter in 3mm × 3mm DFN 3x3 DFN-10 - Boost, Inverting, Sepic, Flyback Boost, Sepic, Flyback Inverting 2.4 16 1 1 40 40 +/- 40V 42 1200 0.01 2.4 yes no no 2.05 2.05 E LTspice File DC1280A no no 2004-09-23 $2.80 (LT3471EDD) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Multiple Output Boost,Multitopology DC/DC,SEPIC Regulators 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Lead,Matte Tin
LT3463 2 - - 0.25, 0.25 0.25 - Dual 250mA Boost/Inverter 3x3 DFN-10 Integrated Schottky Diode Inverting, Boost, Sepic Boost Inverting 2.2 15 1.25 1.25 40 40 +/-40V 42 Constant Off Time 0.1 0.04 yes no no 0.25 0.25 E LTspice Model DC679A no no 2003-12-05 $1.95 (LT3463EDD) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Micropower Boost,Multiple Output Boost,Multitopology DC/DC,SEPIC Regulators 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Lead,Matte Tin
LT8582 2 - - 3, 3 4.3 - Dual 3A Boost/Inverting/SEPIC DC/DC Converter with Fault Protection 7x4 DFN-24 Resistor Set Frequency, External Synchronization, Output Short Circuit Protection, Anti-Phase Switching, Tracking, Soft Start Boost, Inverting, Sepic Boost, Inverting, Sepic Boost, Inverting, Sepic 2.5 22 42 42 42V 42 2500 Up to 2.5MHz Up to 2.5MHz 1 2.1 yes yes no 4.3 4.3 E,I LTspice File DC1734A yes no 2012-01-12 $3.75 (LT8582EDKD) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Multiple Output Boost,Multitopology DC/DC,SEPIC Regulators 28mm² (7x4 DFN-24) 0.75mm (7x4 DFN-24) no yes Matte Tin
LTC3522 2 0.2 0.4 - - - Dual Output Synchronous 400mA Buck-Boost and 200mA Buck 3x3 QFN-16 Burst Mode, Power Good, Output Disconnect, 100% Duty Cycle Buck-Boost, Buck Buck Buck-Boost 2.4 5.5 2.2 0.6 5.25 5.5 Vin 1000 0.01 0.025 yes no yes 0.4 .2 .4 E 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
LTC3520 2 0.6 1 - - - Dual Output-Synchronous 1A Buck-Boost and a 600mA Buck 4x4 QFN-24 Burst Mode, Resistor Set Frequency, Sequencing, LDO, Output Disconnect, 100% Duty Cycle Buck-Boost, Buck, LDO Buck Buck-Boost 2.2 5.5 0.8 0.8 5.25 5.25 Vin 2000 100kHz - 2MHz 0.01 0.055 yes no yes 1 .6 1.25 E,I 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
LTC1876 3 25, 25 - 1 - - Dual Synchronous Buck And One Boost Controller SSOP-36 PolyPhase Buck, Boost Buck Boost 3.5 36 0.8 .8 7 34 7 34 1200 20 0.35 no no yes 25 25 25 25 1 E - 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
LT8471 2 2, 2 - 2, 2 2, 2 - Dual, Multitopology (Buck/Boost/SEPIC/Inverter/Flyback) 4x5 QFN-28,TSSOP-20 External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Power Good Buck, Boost, Sepic, Zeta, Flyback, Inverting Buck, Boost, Sepic, Zeta, Flyback, Inverting Buck, Boost, Sepic, Zeta, Flyback, Inverting 2.6 50 0.789 0.789 50 50 50V 50 2000 100kHz - 2MHz 100kHz - 2MHz 0.01 2.4 yes yes no 1.6 1.6 2.55 2 E,I,H 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
LT1943 4 2.4 - 0.35, 2.6 0.35 - High Current Quad Output Regulator for TFT LCD Displays TSSOP-28 Integrated Schottky Diode, Power Good Boost, Inverting, Buck Buck Boost, Sepic, Flyback 4.5 22 1.25 1.25 35 40 36V Boost 40 1200 35 10 yes no no 2.4 3.2 3.8 .5 .5 E LTspice Model DC620A,DC697A no no 2003-09-30 $4.75 (LT1943EFE) Internal Power Switch Boost,Internal Power Switch Buck,LCD/CCD/OLED Bias,Multiple Output Boost,Multitopology DC/DC 62.7mm² (TSSOP-28) 1.2mm (TSSOP-28) no no Lead,Matte Tin
LT3587 3 - - 0.05, 0.02 0.1 - High Voltage Monolithic Inverter and Dual Boost 3x3 QFN-20 Output Disconnect Boost, Boost, Inverting Boost Inverting 2.5 6 15 -8 15 -8 +/- 32V 40 1000 5.5 2.4 yes no no 0.99 1.090 0.480 E LTspice Model DC1348A no no 2008-08-18 $2.95 (LT3587EUD) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Multitopology DC/DC 9mm² (3x3 QFN-20) 0.75mm (3x3 QFN-20) no no Matte Tin
LTC3445 3 0.6 - - - 0.05, 0.05 I2C Controllable 600mA Buck with Two 50mA LDOs 4x4 QFN-24 I2C Control, LDO, Adjustable Slew Rate, Spread Spectrum, PowerPath Buck, LDO, LDO Buck LDO 2.5 5.5 0.85 0.85 1.55 5 0.85V to 1.55V 1500 6 0.22 yes no yes 0.6 0.05 0.05 1 E - DC698A no no 2004-12-06 $2.45 (LTC3445EUF) Buck Regulator Plus LDO,Digitally Programmable Regulators,Internal Power Switch Buck,Multitopology DC/DC 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) no no Matte Tin
LT3582 2 - - 0.35 0.6 - I2C Programmable Boost & Inverter with OTP, -5 and -12 Offer Fixed Vout 3x3 QFN-16 I2C Control, One Time Programming, Sequencing, Tracking Boost, Inverting Boost Inverting 2.475 5.5 3.2 -12 12 -3.2 +/-12V 16.5 0.325 yes yes no 0.35 .600 E - DC1247A no no 2009-05-04 $2.25 (LT3582EUD-12) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Micropower Boost,Multitopology DC/DC 9mm² (3x3 QFN-16) 0.75mm (3x3 QFN-16) no no Matte Tin
LTC7812 2 20 - 20 - - Low IQ, 38V Synchronous Boost+Buck Controller 5x5 QFN-32 Burst Mode, External Synchronization, Resistor Set Frequency, Tracking Boost, Buck Buck Boost 2.5 38 0.8 60 24 60 850 115kHz - 835kHz 75kHz - 850kHz 10 0.033 no yes yes 20 20 25 25 E,I,H LTpowerCAD File,LTspice Model DC2422A-A,DC2422A-B,DC2422A-C no yes 2015-10-08 $4.00 (LTC7812EUH) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,External Power Switch Buck-Boost,Micropower Buck Regulators,Multitopology DC/DC 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) no yes Matte Tin
LTC7813 2 20 - 20 - - Low IQ, 60V Synchronous Boost+Buck Controller 5x5 QFN-32 Burst Mode, External Synchronization, Resistor Set Frequency, Tracking Boost, Buck Boost Buck 2.2 60 0.8 60 60V 70 850 115kHz - 835kHz 75kHz - 850kHz 3.6 0.034 no yes yes 20 20 25 25 E,I,H,MP 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
LT3463A 2 - - 0.25, 0.4 0.4 - LT3463A Offers 250mA Boost, 400mA Inverter 3x3 DFN-10 Integrated Schottky Diode Inverting, Boost, Sepic Boost Inverting 2.2 15 1.25 1.25 40 40 +/-40V 42 Constant Off Time 0.1 0.04 yes no no 0.25 0.4 E LTspice Model DC679A no no 2003-12-05 $1.95 (LT3463AEDD) Internal Power Switch Boost,Inverting Regulators,LCD/CCD/OLED Bias,Micropower Boost,Multiple Output Boost,Multitopology DC/DC,SEPIC Regulators 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) no no Lead,Matte Tin
LTC3676 7 1.5, 1.5, 2.5, 2.5 - - - 0.3, 0.3, 0.3 LTC3676-1 has ±1.5A DDR, VTTR ref 6x6 QFN-40,7x7 LQFP-48 Burst Mode, LDO, DDR Mode, Pushbutton Reset, Power Good, Adjustable Slew Rate Buck Buck Buck 2.7 5.5 0.8 0.8 5.5 5.5 5.5V 2250 2.25MHz or 1.12MHz 12 0.023 yes no yes 2.5 2.5 1.5 1.5 3 3 2 2 E,I,H Linduino File DC1976A-A,DC1976A-B yes no 2012-06-14 $5.50 (LTC3676EUJ-1) DDR Memory/Bus Termination,Digitally Programmable Regulators,Extended Temperature (H & MP) Switching Regulators,Multitopology DC/DC 36mm² (6x6 QFN-40),81mm² (7x7 LQFP-48) 0.75mm (6x6 QFN-40),1.6mm (7x7 LQFP-48) no yes Matte Tin
LTC3670 3 0.5 - - - 0.15, 0.15 Monolithic 400mA Buck Regulator with Dual 150mA LDOs 3x2 DFN-12 LDO, Burst Mode, Adjustable Slew Rate Buck, LDO Buck LDO 2.5 5.5 0.8 0.8 5.5 5.5 Vin 2250 1 0.07 yes no yes 0.4 0.15 0.15 0.8 E 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
LT1942 4 - - 0.08, 0.08 200mA - Quad DC/DC Converter for Triple Output TFT Supply Plus LED Driver 4x4 QFN-24 Integrated Schottky Diode, Power Good, Output Disconnect, Open LED Protection Boost, Inverting, Sepic, Flyback, LED Driver Boost Inverting 2.6 16 1.25 1.25 36 45 45 1000 1 7 yes no no 0.75 0.75 E - DC688A no no 1999-05-25 $2.75 (LT1942EUF) Internal Power Switch Boost,LCD/CCD/OLED Bias,Multiple Output Boost,Multitopology DC/DC,Step-Up (Boost) LED Drivers 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) no no Lead,Matte Tin
LTC3523 2 0.4 - 0.6 - - Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters 3x3 QFN-16 Burst Mode, Power Good Buck, Boost Buck Boost 1.6 5.5 0.615 .615 5.5 5.5 Vin 5 2400 0.5 0.045 yes no yes 0.4 0.65 1 E LTspice Model DC1213A no no 2008-02-28 $2.95 (LTC3523EUD-2) Multitopology DC/DC 9mm² (3x3 QFN-16) 0.75mm (3x3 QFN-16) no no Matte Tin
LTC3859AL 3 25, 25 - 25 - - Triple Buck/Buck/Boost Synch Controller, Improved Burst Mode 5x7 QFN-38,TSSOP-38 PolyPhase, Burst Mode, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking Buck, Boost Buck Buck 4.5 38 0.8 0.8 24 24 60V (Boost) 60 900 50kHz - 900kHz 75kHz - 850kHz 14 0.055 no yes yes 25 25 25 25 25 E,I,H,MP 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
LT1941 3 2, 3 - 1.5 - Controller Triple Output 3A Buck, 2A Buck, 1.5A Inverting/Boost TSSOP-28 Anti-Phase Switching, Power Good Buck, Boost, Sepic, Flyback, Inverting Buck Buck 3.3 25 0.628 0.628 35.2 35.2 .88VIN 40 1100 50 2 yes no no 3 2 4.3 2.9 2 E 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
LTC3450 3 - - 0.01 0.0005 - Triple Output for TFT-LCD Applications 3x3 QFN-16 Sequencing, Output Disconnect Boost, Inverting Boost Inverting 1.4 4 5.1 5 5.1 15 +/- 15V 25 0.01 0.075 yes no no 0.010 0.0005 0.0005 0.09 E - DC553A no no 2004-02-18 $2.50 (LTC3450EUD) LCD/CCD/OLED Bias,Multitopology DC/DC 9mm² (3x3 QFN-16) 0.75mm (3x3 QFN-16) no no Lead,Matte Tin
LT3507 4 1.5, 1.5, 2.4 - - - Controller Triple Step-Down (2.4A & Two 1.5A), LDO Controller 5x7 QFN-38 LDO, Tracking, Power Good, Resistor Set Frequency, External Synchronization Buck, LDO Buck Buck 4 36 0.8 0.8 32.4 32.4 0.9Vin 2500 250kHz - 2.5MHz 250kHz - 2.5MHz 1 2 yes yes no 2.4 1.5 1.5 1 4.3 2.9 2.9 E,I,H 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 1.8, 1.8, 2.7 - - - Controller Triple Step-Down (2.7A & Two 1.8A), LDO, Improved Iout 5x7 QFN-38,TSSOP-38 Anti-Phase Switching, Resistor Set Frequency, External Synchronization, Tracking, LDO Buck, LDO Buck Buck 4 36 0.8 0.6 32.4 32.4 0.9Vin 2500 250kHz - 2.5MHz 250kHz - 2.5MHz 1 5 yes yes no 2.7 1.8 1.8 1 4.3 2.9 2.9 E,I,H 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
LTC3521 3 0.6, 0.6 1 - - - Wide Vin, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters 4x4 QFN-24,TSSOP-20 Burst Mode, Power Good, Output Disconnect Buck-Boost, Buck, Buck Buck-Boost Buck 1.8 5.5 1.8 0.6 5.25 5.5 5.25V (buck-boost), 5.5V (buck) 1100 0.01 0.030 yes no yes 1 0.6 0.6 1.05 1.05 E,I LTspice File DC1389A no no 2010-04-01 $3.25 (LTC3521EUF) Internal Power Switch Buck-Boost,Multitopology DC/DC 16mm² (4x4 QFN-24),42.2mm² (TSSOP-20) 0.75mm (4x4 QFN-24),1.2mm (TSSOP-20) no yes Matte Tin