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TPS65251 PGOOD管脚可以空置，不接任何东西吗？接个上拉电阻太占空间了。
Hi
如果不需要这个功能可以悬空。
PG（PowerGood）输出脚在高可靠性应用中是很有用的！可将此脚去接MCU的复位nRST输入脚，或与其它信号如外部看门狗（WDG）的RST组合后，接至MCU的复位nRST。
