反激式开关电源的性能优化方案  

Scheme of Performance Optimization of Power Source for Reverse-Excitation Switch

作　　者：林明耀[1] 潘腾[1] 

机构地区：[1]东南大学电气工程系,南京210096

出　　处：《电工技术》2003年第7期38-39,共2页Electric Engineering

摘　　要：分析了影响反激式开关电源性能的因素,提出了相应的优化方案。以用 TOP-224Y 芯片的反激式开关电源为例,从工作原理入手,分析了电源变压器漏感和功率 MOSFET 特性对电源性能的影响,并给出了优化电源性能的措施。The author gives an analysis of factors that have effect on the performance of power source for reverse-excitation switch and puts forward a corresponding scheme of optimization.Taking power source for reverse-excitation switch of TOP-224Y chip as an example,starting from working principle,the paper analyzes the impact of supply transformer leakage and power MOSFET charac- teristic on the performance of power supply, and gives the measures to optimize performance of power supply.

关 键 词：反激式开关电源 性能分析 保护电路 性能指标 优化 

分 类 号：TM44[电气工程—电器] TN86[电子电信—信息与通信工程]