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UCC21520: 驱动SiC MOSFET的开通波形是正常的吗?

Part Number: UCC21520
Other Parts Discussed in Thread: UCC27531

为什么栅压在开通的时候栅压会很快速的上升到15V,在漏源电压下降时出现下降然后再上升到15V?这与正常的SiC MOSFET开通波形有很大区别。(黄色是栅源电压,蓝色是漏源电压,粉色是漏源电流)