基于UC3845的仪表辅助电源设计  

Design of Instrument Auxiliary Power Supply Based on UC3845

作　　者：王吉校[1] 张瑞伟[1] 钱希森[1] 杨小光[1] 

机构地区：[1]重庆通信学院,重庆400035

出　　处：《电源世界》2008年第1期68-70,共3页The World of Power Supply

摘　　要：本文从整流滤波电路、DC-DC反激变换器和控制方案等几个方面论述了仪表辅助电源的原理。文中设计的输出为+12V和+5V的仪表辅助电源具有功率密度高、变换效率高、过载与短路能力强、可靠性高等优良的综合性能,具有重要应用价值。The principles of Instrument Auxiliary Power Supply are discussed from commutating and filtering circuit,DC-DC ant-stimulate convertor and control project.Instrument Auxiliary Power Supply of ＋12V（1.5A）and ＋5V（2A）has virtues of high power density and efficiency,strong abilities of over loading and short circuit,high reliability.The design has important practicality worthiness.

关 键 词：UC3845 辅助电源 反激变换器 

分 类 号：TM92[电气工程—电力电子与电力传动]