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長(zhǎng)壽命LED驅(qū)動(dòng)電路專用電解電容器應(yīng)用特性分析

摘要：本文提出了LED的長(zhǎng)壽命與相對(duì)短壽命電解電容器之間的矛盾、影響LED燈及驅(qū)動(dòng)電路壽命的因素。簡(jiǎn)單介紹了解決LED壽命與電容器壽命的解決方案，提出了超長(zhǎng)壽命電解電容器是解決LED燈及LED驅(qū)動(dòng)電路壽命的最適用的解決方案。介紹了國內(nèi)外長(zhǎng)壽命LED用電解電容器的現(xiàn)狀。提出了小體積是高壓電解電容器的技術(shù)關(guān)鍵，長(zhǎng)壽命、低阻抗是長(zhǎng)壽命低壓電解電容器的技術(shù)關(guān)鍵。介紹了可以替代國外長(zhǎng)壽命LED電解電容器的我國具有自主知識(shí)產(chǎn)權(quán)電解電容器。 敘詞：LED 電解電容器 長(zhǎng)壽命 高壓 低壓 小體積 Abstract：This paper presents the conflicts between electrolytic capacitors of long duration and relatively short duration in LED, and tells factors that determine the duration of LED light and its drive circuit. In addition, the author introduces briefly ways to deal with the duration problem of LED and capacitors, and states that ultra-long-duration electrolytic capacitor is the most applicable approach to solving the duration problem of LED light and LED drive circuit. The author summarizes current situation of long-duration LED electrolytic capacitors, and demonstrates that small volume is key to high-voltage electrolytic capacitors, and low impedance is key to long-duration and low-voltage electrolytic capacitor. The paper finally introduces one type of electrolytic capacitors with independent intellectual property rights, which can replace long-duration LED electrolytic capacitors abroad. Keyword：LED, Electrolytic, Long duration, High voltage, Low voltage, Small volume

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