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TPS62901: 输出电压掉电后存在异常2V尖峰

Part Number: TPS62901

电路设计如下,16V-3.3V,电流满载0.5A左右。正常上电波形与输出波形均正常,但是在断电后,存在一个异常的尖峰输出。

样机断电后,对应电源会有异常尖峰,希望能明确尖峰出现的原因,并确认消除办法。