零电流准谐振开关电源的设计  

Design of Zero Current Quasi resonant Switching Power Supply

作　　者：孙铁成[1] 公茂忠[1] 唐迎春[1] 

机构地区：[1]哈尔滨工业大学,哈尔滨150001

出　　处：《电力电子技术》2000年第1期34-36,共3页Power Electronics

摘　　要：分析了半波次级谐振的零电流准谐振变换器的工作原理 ,并研制了一台以UC3867为核心控制芯片的准谐振电源样机 ,对该电源进行了实验 ,结果表明准谐振电源具有开关频率高、效率高和纹波电压小等优点。The operation principle of the half wave secondary side resonant ZCS quasi resonant converter is analyzed in this paper,and a prototype supply based on chip UC3867 is made.The experimental results indicate that quasi resonant supply has the advantages of high switching frequency,high efficiency and low ripple voltage.

关 键 词：零电流准谐振 开关电源 设计 变换器 

分 类 号：TM440.2[电气工程—电器] TN624[电子电信—电路与系统]