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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/948235/ref3425-does-en-pin-need-series-current-limiting-resistor
需要 R404？为什么需要？Ω
尊敬的 Rengui：
EN 引脚不需要电阻器。 通常添加一个上拉电阻器来限制流入引脚的电流、但这不是必需的。
