我用Ti的UCC27200准备做半桥驱动,VDD给的12V,自举电容取的0.1uF,电路图按照数据手册上给出的接的。但是不管LI和HI输入什么电平或波形,HO始终为高电平(在我这个电路中HO始终约为38V),LO始终为低电平,请各位大神帮我解释解释,多谢。
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