Other Parts Discussed in Thread: UCC28C45
UCC28C45电路图如下,在驱动MOS开通后,芯片VDD管脚出现电压震荡,OUT管脚电压也出现震荡,导致MOS的VDS电压也出现震荡;在MOS未导通时,芯片VDD电压正常,想要咨询下会是什么原因造成的
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Hi
先确认一下芯片是否有触发保护电路?
其次将辅组供电上的51ohm电阻R12去掉看看?