EPR-12, 145W PC Forward Converter with TOP247 and 10W 5V Output Standby Flyback with TNY266

EPR-12, Reference Design shows 145W PC main applications and a TNY266 flyback for PC standby. With line feed forward, duty factor reduction, Programmable primary current limit, Line sense for input UV and OV, and soft-start function for smooth start-up, the TOPSwitch-GX family has all the needed functions to operate in an off-line, Single ended forward converter configuration