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关于LM5117PMHX/NOPB的电源纹波



您好,我使用了LM5117PMHX/NOPB芯片将50V转成12V输出,现在输出的电压波形如下图所示?请问这是由于什么引起的?原理图问题还是布局布线的问题较大?

原理图

LM5117PMHX_NOPB.pdf

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