Design considerations of an SEPIC PFC converter for driving multiple lighting LED lamps

被引：23

作者：

Chiu, Huang-Jen ^{[1
]}

Cheng, Shih-Jen ^{[1
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan

来源：

INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 2009年 / 37卷 / 08期

关键词：

SEPIC PFC converter; multiple lighting LED lamps; single stage; burst mode; FAST-SCALE BIFURCATION; STAGE;

D O I：

10.1002/cta.495

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：

This paper presents a single-ended primary inductance power-factor-correction converter (SEPIC PFC) for driving multiple lighting LED lamps. With the aid of this converter, high power factor and high efficiency can be achieved by a simple single-stage circuit with low device stress features. A burst-mode dimming method is used to regulate the current and brightness of multiple LED lamps. A laboratory prototype is also built and tested. With the prototype, high power factor can remain under universal input voltage operation and individual lamp brightness control. Copyright (C) 2008 John Wiley & Sons, Ltd.

引用

页码：928 / 940

页数：13

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