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
Units V V W yes/no
Selection
(hold Ctrl key to select multiple,
hold Shift key to select range)
LTC3766 1 8 75 500 Forward no High Efficiency, Secondary-Side Synchronous Forward Controller 4x5 QFN-28,SSOP-28
LTC1871-7 1 2.5 36 50 Boost, Sepic, Flyback, Inverting no LTC1871-7 Drives 6V-gate N-Channel MOSFETs MS-10
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
LTC3705 1 18 80 300 Forward no 2-Switch Forward Controller and Gate Driver SSOP-16
LTC3721-1 1 10.7 75 750 Push-Pull no Push-Pull PWM Controller 4x4 QFN-16,SSOP-16
LTC3706 1 5 30 300 Secondary Side Controller no Secondary-Side Synchronous Forward Controller with Polyphase Capability SSOP-24
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
LTC1871 1 2.5 36 50 Boost, Sepic, Inverting, Flyback no No RSENSE Current Mode Boost, Flyback and SEPIC Controller MS-10
LT8304 1 3 100 24 Flyback yes 100VIN Micropower No-Opto Isolated Flyback Converter with 150V/2A Switch SO-8E
LT8303 1 5.5 100 5 Flyback yes 100VIN Micropower No-Opto Isolated Flyback Converter with 150V/450mA Switch SOT-23
LT8309 1 4.5 40 80 Flyback Synchronous Rectifier no Secondary-Side Synchronous Rectifier Driver SOT-23
LT8310 1 6 100 150 Forward no 100VIN Forward Converter Controller TSSOP-20
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
LT8315 1 18 560 15 Flyback yes 560VIN Micropower No-Opto Isolated Flyback Converter with 630V/300mA Switch TSSOP-20
LTC3722-1 1 10.5 75 4000 Full Bridge no Synchronous Dual Mode Full Bridge Controllers, LTC3722-1 Current Mode SSOP-24
LTC3723-1 1 10.7 75 300 Push-Pull no Synchronous Push-Pull PWM Controllers, LTC3723-1 Current Mode SSOP-16
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
LTC3803-5 1 5.7 75 15 Flyback no SOT-23 Flyback Controller, LTC3803-5 4.8V Turn On Voltage, 200kHz SOT-23
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
LTC3806 1 10 75 60 Flyback no Synchronous Flyback DC/DC Controller 4x3 DFN-12
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
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
LTC3803-3 1 9.2 75 15 Flyback no SOT-23 Flyback Controller, LTC3803-3 8.7V Turn On Voltage, 300kHz SOT-23
LTC3803 1 9.2 75 15 Flyback no SOT-23 Flyback Controller, LTC3803 8.7V Turn On Voltage, 200kHz SOT-23
LTC3723-2 1 10.7 75 300 Push-Pull no Synchronous Push-Pull PWM Controllers, LTC3723-2 Voltage Mode SSOP-16
LT8302 1 2.8 42 18 Flyback yes 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/3.6A Switch SO-8E
LTC3725 1 9 75 300 Forward no Single-Switch Forward Controller and Gate Driver MS-10E
LTC3726 1 9 75 300 Secondary Side Controller no Secondary-Side Synchronous Forward Controller SSOP-16
LTC3765 1 8 75 500 Forward no Active Clamp Forward Controller and Gate Driver MS-16E
LTC3722-2 1 10.5 75 4000 Full Bridge no Synchronous Dual Mode Full Bridge Controllers, LTC3722-2 Current Mode SSOP-24
LT8301 1 2.7 42 6 Flyback yes 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/1.2A Switch SOT-23
LT3511 1 4.5 100 2.5 Flyback yes Monolithic High Voltage Isolated Flyback Converter MS-16
LT3439 1 2.8 20 10 Push-Pull yes Slew Rate Controlled Ultralow Noise1A Isolated DC/DC Transformer Driver TSSOP-16
LT3512 1 4.5 100 4.5 Flyback yes Monolithic High Voltage Isolated Flyback Converter MS-16
LT3573 1 3 40 7 Flyback yes Isolated Flyback Converter Without an Opto-Coupler MS-16E
LT3748 1 5 100 80 Flyback no 100V Isolated Flyback Controller MS-16
LT3574 1 3 40 3 Flyback yes Isolated Flyback Converter Without an Opto-Coupler MS-16
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
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
LT1681 1 9 72 300 Forward no Dual transistor synchronous forward controller SW-20
LT1680 1 4 60 300 Boost no High input voltage, Synchronizable N-16,SW-16
LT1725 1 16 75 50 Flyback no General Purpose Isolated Flyback Controller SO-16,SSOP-16
LT1737 1 5 22 25 Flyback no High Power Isolated Flyback Controller SO-16,SSOP-16
LT1950 1 3 25 300 Flyback, Forward no Boost, flyback and forward controller. transformer and MOSFET protection SSOP-16
LT1425 1 2.8 20 6 Flyback yes Isolated flyback, 5% accurate Vout SO-16
LT3750 1 3 24 60 Flyback, Capacitor Charger no Capacitor Charger Controller MS-10
LT3825 1 14 75 80 Flyback no Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range TSSOP-16
LT3798 1 10 38 80 Flyback no Isolated No Opto-Coupler Flyback Controller with Active PFC MS-16E
LT3837 1 4.5 20 80 Flyback no Isolated No-Opto Synchronous Flyback Controller TSSOP-16
LT3958 1 5 80 50 Boost, Sepic, Inverting, Flyback yes High Input Voltage, Boost, Flyback, SEPIC and Inverting Converter 5x6 QFN-36
LT8300 1 6 100 2.5 Flyback yes 100Vin Micropower No-Opto Isolated Flyback Converter with 150V/260mA Switch SOT-23
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
LT3781 1 8 72 300 Forward no Bootstrap start dual transistor synchronous forward controller SSOP-20
LT3758A 1 5.5 100 50 Boost, Flyback, Sepic, Inverting no Multi-Topology Controller - Improved Load Transient Over LT3758 3x3 DFN-10,MS-10E
LT3752 1 6.5 100 400 Forward no Active Clamp Synchronous Forward, Internal Housekeeping Controller, Up to 100Vin TSSOP-38
LT3752-1 1 10 400 400 Forward no Active Clamp Synchronous Forward, Internal Housekeeping Controller, Vin 400V+ TSSOP-38
LT3753 1 8.5 100 400 Forward no Active Clamp Synchronous Forward Controller TSSOP-38
LT3751 1 5 24 60 Flyback, Capacitor Charger no Capacitor Charger Controller with Regulation 4x5 QFN-20,TSSOP-20
LT3757A 1 2.9 40 50 Boost, Flyback, Sepic, Inverting no Multi-Topology Controller - Improved Load Transient Over LT3757 3x3 DFN-10,MS-10E
LT3575 1 3 40 14 Flyback yes Isolated Flyback Converter without an Opto-Coupler TSSOP-16