[問題] LM317損耗功率的計算
假設我有一個負載需吃5v 100mA,電源端是12V
使用 LM317定壓輸出的話,在LM317上的發熱是(12-5)*0.1(瓦)
請問若我用定電流,那LM317會損耗很多功率嗎? 會需要加散熱片嗎?
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