PMP2388.4, Flyback, Buck Reference Design for DSL (3.3V @ 440mA)

PMP2388.4, Flyback, Buck Reference Design for DSL (3.3V @ 440mA). The PMP2388 is a multiple output flyback controlled by UCC3809 off rectified 115VAC (or 85-200VDC). Flyback provides +5V regulated at 1.25A and +50V at 50mA and -5V at 500mA. Highly integrated TPS62400 dual buck provides 3.3V and 1.2V off the +5V