Power Management Switching Regulator Flyback, Forward and Isolated Controllers

Flyback, Forward and Isolated Controllers Try our new parametric tables

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Number of Outputs Vin Min Vin Max Output Power Topology Monolithic Comments Packages Synchronous Frequency Isupply Ishutdown Features Tracking Architecture Primary Side Secondary Side Temp Range Design Tools Demo Boards Featured New Date Added Price 1k* Product Category Package Area Package Height Export Control Terminal Finish Auto & Transport
Units V V W yes/no yes/no kHz mA µA yes/no mm² mm yes/no
Selection
(hold Ctrl key to select multiple,
hold Shift key to select range)
LT1952 1 15.75 25 300 Forward, Flyback no Single Switch Synchronous Forward Controller, LT1952: 460μA; VIN On/Off = 14.25V/8.75V SSOP-16 yes 500 5.2 240 Resistor Set Frequency, External Synchronization no - Single Transistor Synchronous Forward Controller E,I,MP LTspice File DC1317A-A,DC1317A-B,DC1317A-C,DC1317A-E,DC1317A-F,DC759A,DC830A,DC968A-A,DC968A-B,DC968A-C,DC968A-D,DC1317A-G,DC1317A-D,DC1317A-H no no 2004-10-05 $3.30 (LT1952EGN) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no Lead,Matte Tin yes
LT1952-1 1 8.3 25 300 Forward, Flyback no Single Switch Synchronous Forward Controller, LT1952-1: 400μA; VIN On/Off = 7.75V/6.5V SSOP-16 yes 500 5.2 240 Resistor Set Frequency, External Synchronization no - Single Transistor Synchronous Forward Controller E,I,MP LTspice File DC1317A-A,DC1317A-B,DC1317A-C,DC1317A-E,DC1317A-F,DC759A,DC830A,DC968A-A,DC968A-B,DC968A-C,DC968A-D,DC1317A-G,DC1317A-D,DC1317A-H no no 2004-10-05 $3.30 (LT1952EGN-1) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no Lead,Matte Tin yes
LT8300 1 6 100 2.5 Flyback yes 100Vin Micropower No-Opto Isolated Flyback Converter with 150V/260mA Switch SOT-23 no 0.330 70 Burst Mode, No Opto Isolator, Boundary Mode Operation no - Isolated Flyback Converter E,I,H,MP LTspice File DC1825A yes no 2012-08-14 $3.01 (LT8300ES5) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 8.1mm² (SOT-23) 1mm (SOT-23) no Matte Tin yes
LT8302 1 2.8 42 18 Flyback yes 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/3.6A Switch SO-8E no 0.38 0.5 Boundary Mode Operation, No Opto Isolator, Burst Mode no - Flyback Controller E,I,H,MP LTspice File DC2014A yes no 2013-11-01 $3.47 (LT8302ES8E) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 31mm² (SO-8E) 1.75mm (SO-8E) no Matte Tin no
LT3999 1 2.7 36 10 Push-Pull yes Low Noise, 1A, 1MHz Push-Pull DC/DC Driver with Duty Cycle Control 3x3 DFN-10,MS-10E no 1000 4.3 0.1 Resistor Set Frequency, External Synchronization no Push-Pull Controller E,I,H,MP LTspice Model DC2049A no no 2014-09-10 $2.75 (LT3999EDD) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers,Ultralow Noise Regulators 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) no Matte Tin no
LT3798 1 10 38 80 Flyback no Isolated No Opto-Coupler Flyback Controller with Active PFC MS-16E no 150 1.3 60 No Opto Isolator, Active PFC no - Flyback Controller E,I,H,MP LTspice File DC1817B yes no 2011-12-01 $2.25 (LT3798EMSE) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers,Offline Controllers/PFC 19.8mm² (MS-16E) 1.1mm (MS-16E) no Matte Tin yes
LT3753 1 8.5 100 400 Forward no Active Clamp Synchronous Forward Controller TSSOP-38 yes 500 5.9 165 Active Clamp, Programmable Volt Second Clamp, External Synchronization, Resistor Set Frequency no Forward Controller - E,I,H,MP LTspice File DC2050A,DC2306A,DC2324A-A,DC2324A-B,DC2324A-C no no 2014-04-10 $3.19 (LT3753EFE) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 62.7mm² (TSSOP-38) 1.2mm (TSSOP-38) no Matte Tin no
LT3757A 1 2.9 40 50 Boost, Flyback, Sepic, Inverting no Multi-Topology Controller - Improved Load Transient Over LT3757 3x3 DFN-10,MS-10E no 1000 1.6 0.1 Resistor Set Frequency, External Synchronization no Constant Frequency Current Mode Flyback Controller E,I,H,MP LTspice File,LTpowerCAD Model DC1341A,DC1548A,DC1547B no no 2009-05-06 $2.06 (LT3757AEDD) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,Flyback, Forward and Isolated Controllers,Inverting Regulators,SEPIC Regulators 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) no Matte Tin yes
LT3758A 1 5.5 100 50 Boost, Flyback, Sepic, Inverting no Multi-Topology Controller - Improved Load Transient Over LT3758 3x3 DFN-10,MS-10E no 1000 1.6 6 Resistor Set Frequency, External Synchronization no Constant Frequency Current Mode Flyback Controller E,I,H,MP LTspice File,LTpowerCAD Model DC1412A,DC1342B yes no 2009-07-20 $2.35 (LT3758AEDD) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,Flyback, Forward and Isolated Controllers,Inverting Regulators,SEPIC Regulators 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) no Matte Tin,Lead yes
LT8310 1 6 100 150 Forward no 100VIN Forward Converter Controller TSSOP-20 no 500 3.8 0.3 No Opto Isolator, Resistor Set Frequency, External Synchronization no Constant Frequency Resonent Reset Forward Forward Controller E,I,H,MP LTspice File DC1963A ,DC2015A no no 2014-08-11 $2.99 (LT8310EFE) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 42.2mm² (TSSOP-20) 1.2mm (TSSOP-20) no Matte Tin no
LTC3766 1 8 75 500 Forward no High Efficiency, Secondary-Side Synchronous Forward Controller 4x5 QFN-28,SSOP-28 yes 275 0.9 450 PolyPhase, Differential Remote Sense yes Constant Frequency Current Mode Forward Controller E,I,H,MP LTspice File DC1739A-B,DC1739B-C,DC2199A-A,DC2199A-B,DC2199B-C no no 2011-07-26 $3.88 (LTC3766EGN) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) no Matte Tin no
LTC3805 1 8.8 75 50 Flyback, Sepic, Boost no Adjustable Frequency Current Mode Flyback, LTC3805 8.4V Turn On Voltage 3x3 DFN-10,MS-10E no 700 0.36 40 External Synchronization, Resistor Set Frequency no Constant Frequency Current Mode Flyback Controller E,I,H,MP LTspice File DC1045A,DC1311A-A no no 2007-01-30 $1.39 (LTC3805EDD) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,Flyback, Forward and Isolated Controllers,SEPIC Regulators 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) no Matte Tin,Lead yes
LTC3805-5 1 4.5 75 50 Flyback, Boost no Adjustable Frequency Current Mode Flyback, LTC3805-5 4.5V Turn On Voltage 3x3 DFN-10,MS-10E no 700 0.36 40 External Synchronization, Resistor Set Frequency no Constant Frequency Current Mode Flyback Controller E,I,H,MP LTspice File DC1311A-B,DC1576A no no 2007-01-30 $1.39 (LTC3805EDD-5) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,Flyback, Forward and Isolated Controllers,SEPIC Regulators 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) no Matte Tin yes
LTC3803-5 1 5.7 75 15 Flyback no SOT-23 Flyback Controller, LTC3803-5 4.8V Turn On Voltage, 200kHz SOT-23 no 200 0.24 - no - Flyback Controller E,I,H,MP LTspice File - no no 2003-08-01 $1.12 (LTC3803ES6-5) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 8.1mm² (SOT-23) 1mm (SOT-23) no Lead,Matte Tin yes
LTC3803-3 1 9.2 75 15 Flyback no SOT-23 Flyback Controller, LTC3803-3 8.7V Turn On Voltage, 300kHz SOT-23 no 300 0.24 - no - Flyback Controller E,I,H,MP LTspice File DC1100A no no 2003-08-01 $1.12 (LTC3803ES6-3) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 8.1mm² (SOT-23) 1mm (SOT-23) no Matte Tin,Lead yes
LT3752-1 1 10 400 400 Forward no Active Clamp Synchronous Forward, Internal Housekeeping Controller, Vin 400V+ TSSOP-38 yes 500 7.5 165 Internal Housekeeping DC/DC, Programmable Volt Second Clamp, Active Clamp, External Synchronization, Resistor Set Frequency no Constant Frequency Current Mode Forward Controller - E,I,H,MP LTspice File DC1994A,DC1929A,DC2175A yes no 2014-03-04 $3.39 (LT3752EFE-1) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 62.7mm² (TSSOP-38) 1.2mm (TSSOP-38) no Matte Tin no
LTC3803 1 9.2 75 15 Flyback no SOT-23 Flyback Controller, LTC3803 8.7V Turn On Voltage, 200kHz SOT-23 no 200 0.24 - no - Flyback Controller E,I,H,MP LTspice File DC649A,DC781A no no 2003-08-01 $1.12 (LTC3803ES6) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 8.1mm² (SOT-23) 1mm (SOT-23) no Lead,Matte Tin yes
LTC3765 1 8 75 500 Forward no Active Clamp Forward Controller and Gate Driver MS-16E yes 1.7 - no - Forward Controller E,I,H,MP LTspice File DC1739A-B,DC1739B-C,DC2199A-A,DC2199A-B,DC2199B-C no no 2011-07-18 $2.56 (LTC3765EMSE) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 19.8mm² (MS-16E) 1.1mm (MS-16E) no Matte Tin no
LT8301 1 2.7 42 6 Flyback yes 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/1.2A Switch SOT-23 no 0.35 0.8 Burst Mode, Boundary Mode Operation, No Opto Isolator no - Flyback Controller - E,I,H,MP LTspice File DC2138B yes no 2014-02-24 $2.76 (LT8301ES5) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 8.1mm² (SOT-23) 1mm (SOT-23) no Lead,Matte Tin yes
LT3752 1 6.5 100 400 Forward no Active Clamp Synchronous Forward, Internal Housekeeping Controller, Up to 100Vin TSSOP-38 yes 500 7.5 165 Internal Housekeeping DC/DC, Programmable Volt Second Clamp, Active Clamp, External Synchronization, Resistor Set Frequency no Constant Frequency Current Mode Forward Controller - E,I,H,MP LTspice File DC1994A,DC1929A,DC2175A yes no 2014-03-04 $3.39 (LT3752EFE) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 62.7mm² (TSSOP-38) 1.2mm (TSSOP-38) no Matte Tin no
LT3511 1 4.5 100 2.5 Flyback yes Monolithic High Voltage Isolated Flyback Converter MS-16 no 650 2.7 Boundary Mode Operation, No Opto Isolator no - Isolated Flyback Converter E,I,H,MP LTspice File DC1517A no no 2010-11-09 $2.95 (LT3511EMS) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 19.8mm² (MS-16 ) 1.1mm (MS-16 ) no Matte Tin,Lead yes
LT3512 1 4.5 100 4.5 Flyback yes Monolithic High Voltage Isolated Flyback Converter MS-16 no 650 3.5 0 Boundary Mode Operation, No Opto Isolator no - Monolithic Isolated Flyback Converter E,I,H,MP LTspice File DC1803A no no 2011-02-14 $3.15 (LT3512EMS) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 19.8mm² (MS-16 ) 1.1mm (MS-16 ) no Matte Tin yes
LT3748 1 5 100 80 Flyback no 100V Isolated Flyback Controller MS-16 no 1.3 0 Boundary Mode Operation, No Opto Isolator no - Flyback Controller E,I,H,MP LTspice File DC1557A,DC1860B,DC1961A,DC1694B yes no 2010-07-20 $3.12 (LT3748EMS) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 19.8mm² (MS-16 ) 1.1mm (MS-16 ) no Matte Tin yes
LT8303 1 5.5 100 5 Flyback yes 100VIN Micropower No-Opto Isolated Flyback Converter with 150V/450mA Switch SOT-23 no 350 0.07 1.5 Burst Mode no Flyback Converter E,I,H LTspice File DC2490A yes yes 2016-08-22 $3.15 (LT8303ES5) Flyback, Forward and Isolated Controllers 8.1mm² (SOT-23) 1mm (SOT-23) no Matte Tin no
LT8304 1 3 100 24 Flyback yes 100VIN Micropower No-Opto Isolated Flyback Converter with 150V/2A Switch SO-8E no 350 0.39 1.8 Boundary Mode Operation, No Opto Isolator, Burst Mode no Flyback - E,I,H LTspice File DC2393A no yes 2016-05-09 $3.55 (LT8304ES8E-1) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 31mm² (SO-8E) 1.75mm (SO-8E) no Matte Tin no
LT8309 1 4.5 40 80 Flyback Synchronous Rectifier no Secondary-Side Synchronous Rectifier Driver SOT-23 yes - no E,I,H LTspice File DC1961A yes no 2014-02-20 $1.82 (LT8309ES5) Extended Temperature (H & MP) Power Management,Flyback, Forward and Isolated Controllers,Secondary Side Controllers 8.1mm² (SOT-23) 1mm (SOT-23) no Matte Tin,Lead no
LTC1871 1 2.5 36 50 Boost, Sepic, Inverting, Flyback no No RSENSE Current Mode Boost, Flyback and SEPIC Controller MS-10 no 1000 0.25 10 No Rsense, Resistor Set Frequency, External Synchronization, Burst Mode no Constant Frequency Current Mode Flyback Controller E,I,H LTspice File DC415A,DC414B no no 2001-08-29 $2.65 (LTC1871EMS) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,Flyback, Forward and Isolated Controllers,Inverting Regulators,SEPIC Regulators 14.7mm² (MS-10) 1.1mm (MS-10) no Lead,Matte Tin yes
LT8315 1 18 560 15 Flyback yes 560VIN Micropower No-Opto Isolated Flyback Converter with 630V/300mA Switch TSSOP-20 no 140 0.07 8 No Opto Isolator, Burst Mode no Flyback Converter - E,I,H - DC2337A no yes 2017-01-18 $4.10 (LT8315EFE) Flyback, Forward and Isolated Controllers 42.2mm² (TSSOP-20) 1.2mm (TSSOP-20) no Matte Tin no
LTC3722-1 1 10.5 75 4000 Full Bridge no Synchronous Dual Mode Full Bridge Controllers, LTC3722-1 Current Mode SSOP-24 yes 1000 7 Adaptive Zero Voltage Switching no - Full-Bridge Controller E,I,H LTspice File DC607A no no 2003-03-18 $5.50 (LTC3722EGN-1) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 54.2mm² (SSOP-24) 1.75mm (SSOP-24) no Lead,Matte Tin no
LT1681 1 9 72 300 Forward no Dual transistor synchronous forward controller SW-20 yes 350 17 External Synchronization no - Dual Transistor Forward Controller E,I LTspice Model - no no 2001-06-18 $5.00 (LT1681ESW) Flyback, Forward and Isolated Controllers 138.3mm² (SW-20) 2.64mm (SW-20) no Lead,Matte Tin no
LTC1922-1 1 3.8 10.3 300 Full Bridge no Synchronous phase modulated full-bridge controller. adaptive DirectSense zero voltage switching N-20,SSOP-20 yes 1000 7 Adaptive Zero Voltage Switching no - Full-Bridge Controller E,I LTspice Model - no no 2000-10-02 $5.50 (LTC1922EG-1) Flyback, Forward and Isolated Controllers 61.5mm² (SSOP-20),174.2mm² (N-20) 2mm (SSOP-20),3.3mm (N-20) no Lead,Matte Tin no
LTC3873-5 1 4 75 50 Boost, Flyback, Sepic no No RSENSE Boost, LTC3873-5 5V to 75V During Start-Up 3x2 DFN-8,SOT-23 no 200 0.3 55 No Rsense no Constant Frequency Current Mode Flyback Controller E,I LTspice Model - no no 2007-04-05 $1.25 (LTC3873EDDB-5) External Power Switch Boost,Flyback, Forward and Isolated Controllers,SEPIC Regulators 6mm² (3x2 DFN-8),8.1mm² (SOT-23) 0.75mm (3x2 DFN-8),1mm (SOT-23) no Matte Tin,Lead yes
LT1950 1 3 25 300 Flyback, Forward no Boost, flyback and forward controller. transformer and MOSFET protection SSOP-16 no 500 2.3 5 Resistor Set Frequency, External Synchronization no - Flyback Controller, Single Transistor Forward Controller E,I LTspice Model DC442A no no 2003-06-30 $2.90 (LT1950EGN) Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no Lead,Matte Tin yes
LTC3726 1 9 75 300 Secondary Side Controller no Secondary-Side Synchronous Forward Controller SSOP-16 yes 500 4.2 700 - no - Synchronous Forward Controller E,I LTspice Model DC1031A-A,DC1031A-B,DC1031A-C,DC1032A,DC1174A-A,DC1174A-B,DC1174A-C,DC1300A-A,DC1300A-B,DC1300A-C yes no 2006-01-04 $3.19 (LTC3726EGN) Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no Lead,Matte Tin no
LTC3705 1 18 80 300 Forward no 2-Switch Forward Controller and Gate Driver SSOP-16 yes 1.4 - no - 2-Switch Forward Controller E,I LTspice Model DC776A no no 2006-01-04 $2.63 (LTC3705EGN) Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no Lead,Matte Tin no
LTC3722-2 1 10.5 75 4000 Full Bridge no Synchronous Dual Mode Full Bridge Controllers, LTC3722-2 Current Mode SSOP-24 yes 1000 7 Adaptive Zero Voltage Switching no - Full-Bridge Controller E,I LTspice File DC607A no no 2003-03-18 $5.50 (LTC3722EGN-2) Extended Temperature (H & MP) Switching Regulators,Flyback, Forward and Isolated Controllers 54.2mm² (SSOP-24) 1.75mm (SSOP-24) no Lead,Matte Tin no
LTC3725 1 9 75 300 Forward no Single-Switch Forward Controller and Gate Driver MS-10E yes 200 1.4 - no - Single Transistor Forward Controller E,I LTspice Model DC1031A-A,DC1031A-B,DC1031A-C,DC1032A,DC1174A-A,DC1174A-B,DC1174A-C,DC1300A-A,DC1300A-B,DC1300A-C,DC888A-A,DC888A-B,DC888A-C yes no 2006-01-04 $2.56 (LTC3725EMSE) Flyback, Forward and Isolated Controllers 14.7mm² (MS-10E) 1.1mm (MS-10E) no Lead,Matte Tin no
LTC3706 1 5 30 300 Secondary Side Controller no Secondary-Side Synchronous Forward Controller with Polyphase Capability SSOP-24 yes 500 4.2 240 - no - Synchronous Forward Controller E,I LTspice Model DC776A,DC888A-A,DC888A-B,DC888A-C no no 2006-01-04 $3.88 (LTC3706EGN) Flyback, Forward and Isolated Controllers 54.2mm² (SSOP-24) 1.75mm (SSOP-24) no Lead,Matte Tin no
LTC1871-7 1 2.5 36 50 Boost, Sepic, Flyback, Inverting no LTC1871-7 Drives 6V-gate N-Channel MOSFETs MS-10 no 1000 0.55 10 No Rsense, Resistor Set Frequency, External Synchronization, Burst Mode no Constant Frequency Current Mode Flyback Controller E,I LTspice File - no no 2001-08-29 $2.65 (LTC1871EMS-7) External Power Switch Boost,Flyback, Forward and Isolated Controllers,Inverting Regulators,SEPIC Regulators 14.7mm² (MS-10) 1.1mm (MS-10) no Lead,Matte Tin yes
LT3958 1 5 80 50 Boost, Sepic, Inverting, Flyback yes High Input Voltage, Boost, Flyback, SEPIC and Inverting Converter 5x6 QFN-36 no 1000 1.6 0.1 Resistor Set Frequency, External Synchronization no Constant Frequency Current Mode E,I LTspice File,LTpowerCAD Model DC1569A yes no 2010-05-24 $3.05 (LT3958EUHE) Flyback, Forward and Isolated Controllers,Internal Power Switch Boost,Inverting Regulators,SEPIC Regulators 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) no Matte Tin yes
LTC1871-1 1 2.5 36 50 Boost, Sepic, Flyback, Inverting no No RSENSE Current Mode Boost, LTC1871-1 Lower Burst Mode Threshold MS-10 no 1000 0.25 10 No Rsense, Resistor Set Frequency, External Synchronization, Burst Mode no Constant Frequency Current Mode Flyback Controller E,I LTspice File DC1225A no no 2001-08-29 $2.65 (LTC1871EMS-1) External Power Switch Boost,Flyback, Forward and Isolated Controllers,Inverting Regulators,SEPIC Regulators 14.7mm² (MS-10) 1.1mm (MS-10) no Matte Tin yes
LT3781 1 8 72 300 Forward no Bootstrap start dual transistor synchronous forward controller SSOP-20 yes 350 17 External Synchronization no - Dual Transistor Forward Controller E,I LTspice Model DC448A,DC467A,DC479A,DC610A,DC617A no no 2002-08-23 $4.95 (LT3781EG) Flyback, Forward and Isolated Controllers 61.5mm² (SSOP-20) 2mm (SSOP-20) no Lead,Matte Tin no
LT3751 1 5 24 60 Flyback, Capacitor Charger no Capacitor Charger Controller with Regulation 4x5 QFN-20,TSSOP-20 no 5.5 1 Boundary Mode Operation no - Flyback Controller E,I LTspice File DC1322A no no 2008-11-17 $3.65 (LT3751EUFD) Flyback, Forward and Isolated Controllers,Xenon Photoflash Charger 20mm² (4x5 QFN-20),42.2mm² (TSSOP-20) 0.75mm (4x5 QFN-20),1.2mm (TSSOP-20) no Matte Tin,Lead yes
LT3575 1 3 40 14 Flyback yes Isolated Flyback Converter without an Opto-Coupler TSSOP-16 no 1000 4.5 0 Boundary Mode Operation, No Opto Isolator - Monolithic Flyback E,I LTspice File DC1643A yes no 2010-07-15 $2.97 (LT3575EFE) Flyback, Forward and Isolated Controllers 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) no Matte Tin yes
LT3837 1 4.5 20 80 Flyback no Isolated No-Opto Synchronous Flyback Controller TSSOP-16 yes 250 6.4 No Opto Isolator, Resistor Set Frequency, External Synchronization no - Flyback Controller E,I LTspice Model DC1038A-A,DC1038A-B,DC1038A-C,DC950A-B no no 2006-05-04 $3.10 (LT3837EFE) Flyback, Forward and Isolated Controllers 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) no Lead,Matte Tin yes
LT8331 1 4.5 100 15 Boost, Sepic, Inverting, Flyback yes Low IQ Boost/SEPIC/Flyback/Inverting Converter with 0.5A, 140V Switch MS-16E no 500 0.0055 1 Burst Mode, External Synchronization, Resistor Set Frequency no Constant Frequency Current Mode Flyback E,I LTspice File DC2275A yes yes 2015-10-12 $2.95 (LT8331EMSE) Flyback, Forward and Isolated Controllers,Internal Power Switch Boost,Inverting Regulators,Micropower Boost,SEPIC Regulators 19.8mm² (MS-16E) 1.1mm (MS-16E) no Matte Tin no
LT3574 1 3 40 3 Flyback yes Isolated Flyback Converter Without an Opto-Coupler MS-16 no 1000 3.5 0 Boundary Mode Operation, No Opto Isolator no - Monolithic Flyback E,I LTspice File DC1636A no no 2010-01-26 $2.76 (LT3574EMS) Flyback, Forward and Isolated Controllers 19.8mm² (MS-16) 1.1mm (MS-16) no Matte Tin yes
LT3573 1 3 40 7 Flyback yes Isolated Flyback Converter Without an Opto-Coupler MS-16E no 1000 3.5 0 Boundary Mode Operation, No Opto Isolator no - Monolithic Flyback E,I LTspice File DC1228A yes no 2008-10-29 $2.76 (LT3573EMSE) Flyback, Forward and Isolated Controllers 19.8mm² (MS-16E) 1.1mm (MS-16E) no Matte Tin yes
LTC3721-1 1 10.7 75 750 Push-Pull no Push-Pull PWM Controller 4x4 QFN-16,SSOP-16 no 1000 3 - no - Push Pull Controller E LTspice Model - no no 2004-05-11 $4.45 (LTC3721EGN-1) Flyback, Forward and Isolated Controllers 16mm² (4x4 QFN-16),30.9mm² (SSOP-16) 0.75mm (4x4 QFN-16),1.75mm (SSOP-16) no Lead,Matte Tin no
LTC3873 1 8.8 75 50 Boost, Flyback, Sepic no No RSENSE Boost, LTC3873 9V to 75V During Start-Up 3x2 DFN-8,SOT-23 no 200 0.3 55 No Rsense no Constant Frequency Current Mode Flyback Controller E LTspice File DC1154A no no 2007-04-05 $1.25 (LTC3873EDDB) External Power Switch Boost,Flyback, Forward and Isolated Controllers,SEPIC Regulators 6mm² (3x2 DFN-8),8.1mm² (SOT-23) 0.75mm (3x2 DFN-8),1mm (SOT-23) no Lead,Matte Tin no
LT3750 1 3 24 60 Flyback, Capacitor Charger no Capacitor Charger Controller MS-10 no 1.6 1 Boundary Mode Operation no - Flyback Controller E LTspice File DC891A no no 2005-11-10 $3.50 (LT3750EMS) Flyback, Forward and Isolated Controllers,Xenon Photoflash Charger 14.7mm² (MS-10) 1.1mm (MS-10) no Lead,Matte Tin no
LTC3723-2 1 10.7 75 300 Push-Pull no Synchronous Push-Pull PWM Controllers, LTC3723-2 Voltage Mode SSOP-16 yes 250 3 - no - Push-Pull Controller E LTspice File DC541A,DC719A no no 2004-05-11 $4.55 (LTC3723EGN-2) Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no Lead,Matte Tin no
LT3439 1 2.8 20 10 Push-Pull yes Slew Rate Controlled Ultralow Noise1A Isolated DC/DC Transformer Driver TSSOP-16 no 250 12 5 Low EMI, Adjustable Slew Rate, Resistor Set Frequency, External Synchronization no - E LTspice File DC511A no no 2002-07-22 $3.50 (LT3439EFE) Flyback, Forward and Isolated Controllers,Ultralow Noise Regulators 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) no Lead,Matte Tin no
LTC3723-1 1 10.7 75 300 Push-Pull no Synchronous Push-Pull PWM Controllers, LTC3723-1 Current Mode SSOP-16 yes 250 3 - no - Push-Pull Controller E LTspice File DC541A,DC719A no no 2004-05-11 $4.55 (LTC3723EGN-1) Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no Lead,Matte Tin no
LT3825 1 14 75 80 Flyback no Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range TSSOP-16 yes 250 1 50 No Opto Isolator, Resistor Set Frequency, External Synchronization no - Flyback Controller E LTspice File DC1143A,DC950A-A,DC894A-A,DC894B-C,DC894C-B ,DC894C-C no no 2005-12-15 $3.10 (LT3825EFE) Flyback, Forward and Isolated Controllers 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) no Lead,Matte Tin no
LTC3806 1 10 75 60 Flyback no Synchronous Flyback DC/DC Controller 4x3 DFN-12 yes 250 1 - no - Flyback Controller E LTspice Model DC659A no no 2003-12-18 $3.40 (LTC3806EDE) Flyback, Forward and Isolated Controllers 12mm² (4x3 DFN-12) 0.75mm (4x3 DFN-12) no Lead,Matte Tin no
LT1737 1 5 22 25 Flyback no High Power Isolated Flyback Controller SO-16,SSOP-16 no 250 10 No Opto Isolator, Resistor Set Frequency no - Flyback Controller C,I LTspice Model DC418A no no 2000-12-05 $2.90 (LT1737CS) Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16),62mm² (SO-16) 1.75mm (SSOP-16),1.75mm (SO-16) no Lead,Matte Tin yes
LT1425 1 2.8 20 6 Flyback yes Isolated flyback, 5% accurate Vout SO-16 no 285 7 15 No Opto Isolator, External Synchronization no - Flyback Controller C,I LTspice Model DC159A-A,DC159A-B no no 1997-01-14 $2.90 (LT1425CS) Flyback, Forward and Isolated Controllers 62mm² (SO-16) 1.75mm (SO-16) no Lead,Matte Tin no
LT1725 1 16 75 50 Flyback no General Purpose Isolated Flyback Controller SO-16,SSOP-16 no 250 10 No Opto Isolator, Resistor Set Frequency no - Flyback Controller C,I LTspice Model DC373A-A,DC373A-B,DC431A,DC508A,DC638A,DC562A-A,DC562A-B,DC562A-C no no 2000-12-05 $2.90 (LT1725CS) Flyback, Forward and Isolated Controllers 30.9mm² (SSOP-16),62mm² (SO-16) 1.75mm (SSOP-16),1.75mm (SO-16) no Lead,Matte Tin yes
LT1680 1 4 60 300 Boost no High input voltage, Synchronizable N-16,SW-16 no 200 15 External Synchronization no - Boost, Forward, Flyback C,I LTspice Model - no no 1999-07-08 $4.00 (LT1680CN) Flyback, Forward and Isolated Controllers 111.6mm² (SW-16),126.5mm² (N-16) 2.64mm (SW-16),3.3mm (N-16) no Lead,Matte Tin no