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

Chiu HuangJen | Zendy; Cheng ShihJen | Zendy

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

Author(s) -

Chiu HuangJen,

Cheng ShihJen

Publication year - 2009

Publication title -

international journal of circuit theory and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.364

H-Index - 52

eISSN - 1097-007X

pISSN - 0098-9886

DOI - 10.1002/cta.495

Subject(s) - led lamp , power factor , brightness , inductance , power (physics) , voltage , light emitting diode , led circuit , computer science , electrical engineering , engineering , electronic engineering , short circuit , physics , optics , quantum mechanics

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 © 2008 John Wiley & Sons, Ltd.

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