转载自互联网!!! 关键字: MP3电源适配器电路,开关电源电路 MP3电源适配器电路原理该型适配器电路如附图所示,图中元件序号与实物一致。变压器引脚号和同名端、接口符号为笔者所标画。该电源适配 ...
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