PMP7943, 100VACin to 240VACin, 5Vout @ 0.5A, Offline Isolated Flyback AC to DC Converter. An offline isolated flyback AC to DC converter that accepts an input voltage of 100VAC to 240VAC and provides an isolated output of 5Vout capable of delivering 0.5A. This design features a very low standby current with pulse skipping