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[求助]TPS23753A输出电压异常

Other Parts Discussed in Thread: TPS23753A

尊敬的TI工作人员你好:

用TPS23753A做的测试板,其中两块输出的电压出现异常。请问这是什么原因呢?附上原理图和示波器看到的输出波形。烦劳解答,谢谢!

PD23753V2_原理图.pdf

异常电压:

正常电压: