Design of Isolated Flyback LED Driver Based on LYT4326E

Hong Zhuan Cai; Qing Kai Geng

doi:10.4028/www.scientific.net/AMR.1049-1050.657

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1049-1050Design of Isolated Flyback LED Driver Based on...

Design of Isolated Flyback LED Driver Based on LYT4326E

Abstract:

The design of a high efficiency, silicon controlled dimming and power factor correction (PFC) LED drive power supply is proposed.The LED driver power supply uses isolated flyback topology,with high efficiency and power factor,and also has a no-load protection,short circuit protection and overvoltage protection.The power controller chip LYT4326E and working principle of the circuit are analyzed.Experimental results verify that the full load efficiency of the power supply circuit is over 86%,with a high power factor and can run stably and reliably.

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Periodical:

Advanced Materials Research (Volumes 1049-1050)

Pages:

657-660

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1049-1050.657

Citation:

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Online since:

October 2014

Authors:

Hong Zhuan Cai*, Qing Kai Geng

Keywords:

Flyback Converter, LED Driver, Switching Power Supply

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* - Corresponding Author

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