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[FAQ] TPS23751: Can APD pin left floating on my PoE PD controller?

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Part Number: TPS23751

Hi Darwin,

For all of TI's PoE PDs, even if there is an internal pull down on APD, it is recommended and good practice to terminate this pin to RTN or ARTN if APD is not used. This is also described in the PoE PD's datasheet.