我用DCH010512S:其输入是5v,但实际测的的输出时17.97V,而不是12V,其电路也都正确,按数据手册连接的,请哪位大神指点一下
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我用DCH010512S:其输入是5v,但实际测的的输出时17.97V,而不是12V,其电路也都正确,按数据手册连接的,请哪位大神指点一下