Power factor improving converter and power supply device including power factor improving converter

摘要

A first series circuit of a first diode and a first MOSFET, a second series circuit of a second diode and a second MOSFET, and a capacitor, the first series circuit, Provide a plurality of circuit blocks each having an output terminal connected to both ends of the second series circuit and the capacitor, connect the input terminals of each circuit block in series, and connect an AC power supply thereto via a choke. To solve the problem.