Part Number: UCC21520
如图,双脉冲测试时,采用UCC21520芯片驱动SiC MOSFET,在关断时栅极电压会出现震荡,该震荡是什么引起的?使用1ED3UM12H芯片则不会出现该状况。粉色为主动管关断时波形,蓝色为被动管,可以看到主动管栅极震荡并引发被动管栅极震荡。
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