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UCC27611驱动GaN FET时,OUT检测出干扰波

Other Parts Discussed in Thread: UCC27611

用UCC27611搭建的驱动GaN FET电路,在FET的Drain极不加电源时,UCC27611输出波形正常,FET的Drain极加电时,UCC27611输出端检测到干扰波;波形见附件(红框中为正常输出波形,黄色框中为干扰波)。请帮忙看下是什么问题,谢谢