The PMP20815 reference design is a DCM Flyback with Optocoupler feedback. It operates at a 130kHz switching frequency to reduce transformer size. The reference design converts low-line AC mains to a 24V/72W output at 91% efficiency.
Features
95VAC - 130VAC input to 24V/72W output91% efficiency at full loadOptocoupler feedback enables tight regulationComplete test report and design support collateral including thermal performance1 oz: 2-layer board measuring 3.45in x 2.23in