请问在什么情况下(什么样的电路或者寄生参数),会导致MOS的门极产生严重的泄露,倒是MOS门极电压充电不上去,如手册中Figure 22所示。
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Hi
chargepump电路在芯片内部,如果电压升不上去,除非chargepum电容出现问题,或者这个电路因为保护而关闭。
所以才怀疑要么芯片损坏,要么芯片保护了(查各个保护)。