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MOS管G级关断后会出现一很高震荡波形,请帮忙分析下原因?

Other Parts Discussed in Thread: LM5116

各位好:

我在用TI的LM5116降压芯片做一30V输入,12V3A输出规格的电源时,测试时发现同步整流MOS管G极的驱动波形关断的时候回出现一很高的震荡波形,请忙忙分析下波形产生的原因?如何将其消除?下面是给出原理图和G极波形图。请各位帮忙看看,谢谢!