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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/978143/lmz21701-state-of-pgood-when-disble
您好！
LMZ21701数据表指示如果器件被禁用、PG 引脚会变为低阻抗。
这是否意味着 PG 在禁用时驱动低电平？
Baptiste Besson
是的、电源正常指示是一个具有接地阻抗的开漏输出。 "低阻抗"会在外部上拉时强制 PGOOD 电压为低电平。
