PMP7763, High voltage isolated DC/DC converter Reference Design with 30 to 800V input and 24V @ 250mA output

PMP7763, is a high voltage isolated DC/DC flyback converter. The input range is 30 800V and output is 24V @ 250mA. It has a high voltage hold off circuit. The secondary is open loop with no feedback control for the output. However, there is feedback control for the primary