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TPS54302 En脚如何使用

Meng jeffrey
Expert 2629 points

请问下面这句话什么意思？不能直接使用I/O口去控制EN Pin吗？

“The EN pin has an internal pullup-current source which allows the user to float the EN pin to enable the device. If an application requires control of the EN pin, use open-drain or open-collector output logic to interface with the pin”