Analysis of an Active-Clamp Flyback Converter

This study explored the operation principles of active clamp flyback converters. A control strategy was adopted to achieve strong noise immunity, and a voltage mode was configured to attain advantages such as simple circuit design. Experiments were performed to verify the feasibility of the proposed active clamp circuit. The experiment results facilitated the completion of an active clamp flyback converter with a switching frequency of 300 kHz, an output power of 65 W, and an output voltage of 19 V.