The power MOSFET has been the major semiconductor switching device in the modern power-electronics and power-management industry, and is widely studied and used by power-system designers. Conversely, ...
The schematic diagram below shows a flyback converter using the BJT controller LNK4004D. The circuit is designed to operate from 185 VAC to 290 VAC (withstand 440 VAC for indefinite time at full load) ...