开关电源设计中的关键技术(二)  

Ways to Improve the Efficiency of Switching Power Supply

作　　者：沙占友 孟志永[1] 

机构地区：[1]河北科技大学,河北石家庄050054

出　　处：《电源技术应用》2012年第3期60-68,共9页Power Supply Technologles and Applications

摘　　要：首先对开关电源的传输损耗、开关损耗和其他功率损耗进行分析，然后介绍设计高效率开关电源的基本原则，重点阐述提高开关电源效率和降低其空载及待机功耗的有效方法。The transmission losses, switching losses and other power losses are analyyed,and then the basic principles of the design of high-efficiency switching power supply are describesd, the improving way in efficiency of switching power supply are focused, reduce no-load power consumption and standby power consumption are effective.

关 键 词：开关电源 效率 功率损耗 空载功耗 待机功耗 

分 类 号：TN86[电子电信—信息与通信工程]