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隔离型LED照明灯供电电路的设计

更新时间:2020-05-19 06:24:02 大小:241K 上传用户:IC老兵查看TA发布的资源 标签:led照明灯 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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近年来LED作为一种较新的电光源,有着高效、耐用、安全等优点,在照明领域有着非常广阔的应用前景.阐述了该驱动电路的基本原理和拓扑结构,给出理论依据;进行了电路总体设计,并针对各自应用特点对元件参数进行了选择,Buck降压结构部分选用了LM3485芯片,并对芯片原理功能进行了简介;在控制回路中,对高频开关变压器及其吸收回路进行了较为详细的设计和阐述.

Lately,as a new kind of electronic light source,LED(light-emitting diode) has the advantages of high efficiency,long lifetime and high safety,resulting in it widely used in the future.This paper respectively expounds the fundamental principle and topological structure of this driving circuit.The theoretical reference for design and research were provided.In the integrated design of circuit,the author makes a choice to the parameter of elements.In the part of reduction voltage,the author selects and put to use the chip LM3485 and introduces the theory and function of the chip.In the control circuit,the author introduces the higher switching frequency and snubber circuit in detail.

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隔离型LED照明灯供电电路的设计.pdf 241K

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