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首页> 外文期刊>International Journal of Power Electronics and Drive Systems >A Commercial Low Cost, Highly Efficient UC3842 based High Brightness LED (HBLED) Lamp
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A Commercial Low Cost, Highly Efficient UC3842 based High Brightness LED (HBLED) Lamp

机译:商业低成本,高效,基于UC3842的高亮度LED(HBLED)灯

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摘要

The conventional lighting sources like incandescent and fluorescent lamps are replaced by High Brightness Light Emitting Diodes (HB-LEDs). In this paper, a HBLED driver using a Single Ended Primary Inductor Converter (SEPIC) with input Power Factor Correction (PFC) is presented. PFC is accomplished using a commercial inexpensive Peak Current Mode Controller (PCMC) IC UC3842 is newly combined with SEPIC converter. Extensive simulation results are carried out and a laboratory prototype to power 18W LED array from AC mains is implemented and the results are presented in detail.
机译:白炽灯和荧光灯等传统光源已被高亮度发光二极管(HB-LED)取代。本文提出了一种HBLED驱动器,该驱动器使用具有输入功率因数校正(PFC)的单端初级电感转换器(SEPIC)。 PFC使用价格便宜的峰值电流模式控制器(PCMC)IC实现,UC3842与SEPIC转换器新组合。进行了广泛的仿真结果,并实现了通过交流电源为18W LED阵列供电的实验室原型,并详细介绍了结果。

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