输出电压5v/2.1a
大pcb的肖恩特二极管发热大约在70°,小pcb肖恩特二极管发热大约在90°。layout是我自己的。器件的选型用的是WEBENCH仿真。
这个pcb是给平板充电用的,不希望pcb板子存在瑕疵,烧坏平板。
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