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UCC28780: Vgs和Vds震荡比较大

Part Number: UCC28780

专家您好:

       我的下管可以实现零电压开通,如图2所示。但是关断的时候VgsL)和VDSL)震荡比较大,如图3所示。

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上管可能没有实现零电压开通,如图4所示,可能是Vgs(H)震荡的原因,关断波形很正常。

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谢谢。