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LM1117-5V 可以做usb充电吗

Other Parts Discussed in Thread: TPS2511, TPS562200

因为电脑的usb和手机的充电器都是输出的5v,所以我想问下,用LM1117-5V将8V的直流电转换成5V,这个5v可以接在usb母头上然后给手机充电吗?需要做哪些处理呢?