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此颗LDO在设计上是否需要在EN 的管脚下 增加下拉电阻?不加是否有隐患?
不要让它处于悬空状态:要么外部控制,要么上拉
您好,
如果该引脚不使用,建议直接接到VIN,谢谢
Regards,
Patrick