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LM25066 VAUX 引脚疑问

Other Parts Discussed in Thread: LM25066

LM25066 系列热插拔保护芯片的 VAUX 输入引脚可否悬空或接地。

在器件资料和demo 资料上都没有详细说明该引脚使用时的注意事项。

该引脚左右疑问,个人猜测

1,做输入电源的电压监测,当输入电源电压分压后电压高于 1.16V 时 报警,输入电压满幅值。

2,做内部基准1.16V的基准输入

3,对过流点影响在哪里,请帮忙解释。