使用该芯片设计两路电源开关,一路3.3V,一路5V,最后给同一负载供电,但是这两路同时只有一路打开给负载供电,那么在5V开启的时候会反向倒灌进入3V的芯片吗?

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Hi
会反灌,建议并联一个肖特基在Vin和Vout之间保护一下。(会反灌,不会导致芯片启动)