[問題] 降壓 升電流?
假設有固定12v 50ma的電壓及電流
經過7805 或LM 1113-3.3穩壓後
輸出電流只會是50ma或更低嗎 ??
那這樣我拿成串的二極體就好啦
有降電壓升電流的方法嗎??
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