反激式开关电源的零电压开关

Zero Voltage Switch of Flyback SMPS

本文简要介绍了反激式开关电源的特点和缓冲电路存在的问题,提出零电压开关的电路拓扑,详尽地分析了各阶段的工作过程,提出了控制方式和实现方法,分析了所给电路的性能和需要注意的问题。

In this paper,the character of fiyback SMPS and the problem existing in snubber are introduced,The topology circuit of ZVS the control and the realization methods are put forward..At the same time.HOW to work in each phase,the circuit performance of the circuit and what need be take care of are analyzed clearly.