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TPS53015: 板子上使用了一个TPS53015,带载电源啸叫

Part Number: TPS53015

先贴上TPS53015部分的原理图和电路板

更换过不同的输出电容,陶瓷电容,插件电解电容,不带负载的情况下电路无噪声,连接上负载(100mA左右),电路上有很大的啸叫。