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后備保護器技術參數
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一種采用電容降壓的 LED 驅動電源電路設計圖

發布日期:2021-02-25瀏覽次數:889標簽:后備保護器技術參數

本文是一個實踐的給與

電容降壓的 led 驅動電路。請屬意,大局部運用電路中沒有銜接壓敏電阻或瞬變電壓抑制晶體管,創議銜接上,因壓敏電阻或瞬變電壓抑制晶體管能在電壓突變瞬間( 如雷電﹑大用電設備起動等 )無效地將突變電流泄放,從而保護二級關和其他晶體管,它們的響應時間一般在微毫秒級 。

關鍵字:電容降壓  led  驅動電源

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