Research on a single-stage isolated electrolytic capacitor-less LED driver

被引：4
|
作者：
Liao, Zhiling [1 ]
Gu, Haoxin [1 ]
Cao, Chenchen [1 ]
Chen, Zhaoling [1 ]
机构：
[1] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang, Jiangsu, Peoples R China
来源：
OPTIK | 2021年 / 225卷
关键词：
LED driver; Electrolytic capacitor-less; Bidirectional field excitation; State space;
D O I：
10.1016/j.ijleo.2020.165688
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The lifetime of traditional light-emitting diode (LED) drivers is mainly affected by electrolytic capacitor. Therefore, a single-stage isolated electrolytic capacitor-less LED driver is proposed, with which the electrolytic capacitor is eliminated and the output current ripple is reduced. Firstly, the operation principle and switching mode of the topology are analyzed. Then, the feasibility of the topology is analyzed by using the state space average method. Finally, an experimental prototype of 60 W output power is built to verify the correctness of the scheme.
引用
收藏
页数：11
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