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TPS562202: TPS562202

Part Number: TPS562202

想问一下,有没有专家知道在tps562202搭的降压电路中(12V转5V),测试时输出电压出现纹波噪声大的情况,并且输入电压也会和输出电压一样出现大的噪声,如下图

添加负载测试时,噪声情况更严重(输入为12V,测试出来是5~30V)

想问一下有没有好的解决办法