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TPS54821: Internal resistance of pins (EN and CNTL)

Mike Ulrich
Expert 3110 points
Part Number: TPS54821

Hi,

What is the internal resistance of the EN and CNTL pins on the TPS54821?

Thank You,
Mike Ulrich

  • 0
    TI__Expert 4035 points

    Hi Mike,

    There is no internal resistance of the EN pin, this pin supplied by two current source, you could find it in the Functional Block Diagram on Page 11 of the datasheet. You could disable the device by adding an external pull-down resistance to this EN pin.

    I don't know what's the CNTL pin want to double check with you, there is no such a CNTL pin described.

    Ryan.