基于UC3844控制的双管正激式变换器在电动自行车充电器中的应用  

Application of a Dual-transistor Forward Switching Power Supply in Electric Bicycle Based on UC3844

作　　者：李冉[1] 茆美琴[1] 苏建徽[1] 张国荣[1] 

机构地区：[1]教育部光伏系统工程研究中心,合肥230009

出　　处：《电源世界》2007年第1期56-58,46,共4页The World of Power Supply

摘　　要：本文设计了一种恒压充电器,其核心是由UC3844控制的双管正激式开关电源,文中给出充电器主电路和控制电路的拓扑结构,并对其工作原理进行了详细分析,通过实验对其效果进行了验证,证明达到了设计要求。The design of a constant voltage charger, which is a sort of dual-transistor forward switching power supply realized by UC3844 as a core unit, is presented. The topologies of main circuit and control circuit are provided under exhaust analysis in principles, Good agreement is achieved between predictions and measurements, and all the technical indexes are fulfilled.

关 键 词：UC3844 双管正激式开关电源 充电器 

分 类 号：TM92[电气工程—电力电子与电力传动]