LT1725CGN Demo Board, Synchronous Flyback Converter, 36V - 72Vin, to 3.3V @ 3.5A, 350mA Input Current

Demonstration circuit DC638A is a 36-72VIN to 3.3V@3.5A isolated synchronous Flyback converter featuring the LT1725. This circuit was designed primarily to meet Voice over IP requirements, providing 3.3V@3.5A from a 37-54V/350mA source