针对不对称半桥零电流准谐振变换器(Asymmetrical Half-bridge Zero Current Switching Quasi-resonanceConverter,简称AHB-ZCS-QRC)的工作过程和软开关条件,选择MC33066作为变换器的控制芯片。介绍了该芯片的功能特点和参数关系,详细讨论了AHB-ZCS-QRC控制电路的设计方法。最后,通过实验验证了该设计方法的正确性和有效性。
MC33066 is adopted as the control core to meet the needs of operation course and soft-switching condition of asymmetrical half-bridge zero current switching quasi-resonance converter(AHB-ZCS-QRC).The function characteristics and parameter relation of MC33066 are introduced.The design method of control circuit for AHB-ZCS-QRC is discussed in detail.At last,the experiment is done to verify its correctness and validity.