One Stage Flyback-Type Power Factor Correction Converter for LED Driver

被引:0
|
作者
Jin Liping [1 ]
Zhang Yingchao [1 ]
Jin Youquan [1 ]
Zhang Yongchang [2 ]
Zhao Zhengming [3 ]
机构
[1] Chongqing Commun Inst, Key Lab Special Power Supply PLA, Chongqing, Peoples R China
[2] North ZChina Univ Technol, Power Elect & Motor Drive Engn Res Ctr, Beijing, Peoples R China
[3] Tsinghua Univ, State Key Lab Control & Simulat Power Syst & Gen, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
An isolated power factor correction converter for power light emitting diode (LED) is presented. The converter is constructed with single-stage by employing flyback topology, and the high power factor is accomplished through controlling the PFC circuit operates on the boundary between continuous and discontinuous current mode. The principle and design method of the converter is presented. A 180 similar to 250V input, 70W constant current switch mode power supply with proposed method is designed, and experimental results show that the system has advantages of little bulk, high efficiency (87%), and high power factor (0.97).
引用
收藏
页码:2173 / 2176
页数:4
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