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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/785142/lm4132-is-this-part-designed-so-by-default-the-output-voltage-is-enabled-if-the-en-pin-is-floating
施加足够的 Vin 电压时、如果 EN 输入(SOT23上的引脚3)未终止且保持悬空、则输出端(SOT23上的引脚5)处的基准电压是否存在且是否在稳压规格范围内？
EN 输入是否必须由足够的电压源( 如 Vin)从外部驱动才能使输出电压出现并处于稳压规格范围内？
在施加足够的 Vin 电压时、如果 EN 输入悬空、基准输出电压是否存在？
