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TPS65251RHAR输出电压波动

Other Parts Discussed in Thread: TPS65251

TPS65251输出端有严重波动,使能端波动比较弱,不理解的是使能端悬空为什么会有干扰'

附件中有示波器波形。波形幅度大的是输出电压波形,波形幅度小的是使能端波形

谢谢

TPS65251.rar