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TPS22953-Q1: TPS22953 上电时序问题

Part Number: TPS22953-Q1
Other Parts Discussed in Thread: TPS22953

TI  工程师

     我们有个项目有用到TPS22953用来做防电压倒灌:现在问题是,我们的输入电压是1.15V,但是BIAS引脚的最低电压为2.5V,为保证正常工作,我需要从外部接一个3.3V给BIAS供电,这样就会出现BIAS的供电比芯片的输入引脚供电早,这样会有什么风险,有关于IN,BIAS,EN之间的时序图吗?