一种高功率因数高效率的LED驱动器  

A high power factor and high efficiency LED driver

作　　者：董秀芬[1] 

机构地区：[1]扬州市职业大学电子工程系,江苏扬州225009

出　　处：《微型机与应用》2014年第19期38-42,共5页Microcomputer & Its Applications

基　　金：2011年度扬州市职业大学科教研项目(11z01)

摘　　要：研究了一种基于单级Buck的LED驱动器升级版——双端正激变换器,对此变换器进行了理论分析和仿真验证,并做出试验样机,测出其实验波形。仿真和实验结果表明,此变换器相较于其他LED驱动电源具有高功率因数、高效率、高可靠性等优势。This paper studied a single stage Buck based LED driver upgrade version, namely double ended flyback converter. This converter was analyzed in theory and simulation. The experimental prototype was finished, and the experimental waveforms was tested. The simulation and experimental results show that the converter compared to other LED driving power supply has the advantages of high power factor, high efficiency and high reliability etc.

关 键 词：驱动器 变换器 有源功率因数校正电路 功率因数 效率 

分 类 号：TM46[电气工程—电器]