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Solutions Search - LT3574 - Isolated Flyback Converter Without an Opto-Coupler

LT3574 12V-24Vin to 5Vout @ 350mA Monolithic Isolated Flyback Converter (No Opto or Third Winding)

Jan 26th 2010
The LT3574 is a monolithic switching regulator specifically designed for the isolated flyback topology. No third winding or opto-isolator is required for regulation. The part senses the isolated output voltage directly from the primary side flyback waveform. A 0.65A, 60V NPN power switch is integrated along with all control ...

Circuit 

 

LT3574 5Vin to±12Vout @ 40mA Monolithic Isolated Flyback Converter (No Opto or Third Winding)

Jan 26th 2010
The LT3574 is a monolithic switching regulator specifically designed for the isolated flyback topology. No third winding or opto-isolator is required for regulation. The part senses the isolated output voltage directly from the primary side flyback waveform. A 0.65A, 60V NPN power switch is integrated along with all control ...

Circuit