一种用于降压AC-DC应用的改进型非对称半桥反激变换器

This article presents a modified asymmetrical half-bridge flyback converter (AHBFC) to fulfill the single-stage step-down ac-dc universal input voltage application. This topology is obtained from the integration of a buck-type power factor correction, an auxiliary energy buffer, and a conventional AHBFC. By sharing common switches and utilizing transformer's leakage inductor, the single-stage circ...