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现在需要将一块输出是3.7-4.6V的锂电池 输出 升至正负12V两路输出 正的有想到办法解决 负的不知道怎么弄？求解
一个隔离的电源就搞定了阿，两路输出，一路正一路负就好了。
是直接将输出的+12V转换为-12V么？
