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TPS54540 15V 输入5V输出,关断15V输入后,5V输出有尖峰

Other Parts Discussed in Thread: TPS54540

TPS54540 15V 输入5V输出,关断15V输入后,5V输出有尖峰;


空载时没有此现象,负载1A左右,有此现象。


波形图中黄色为EN脚信号,绿色为5V信号。