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LM317KCT Disable operation

K.Hamamoto
Guru 12155 points
Other Parts Discussed in Thread: LM317, LP2951, LP2985

Hi

I have a question about LM317.

Is that possible to disable(ADJUST pin=Low) by the ADJUST pin?

Regards,

Koji Hamamoto

  • 0
    TI__Genius 12410 points

    Koji,

    For the LM317, the lowest Output voltage that you can have is 1.25V. So even if you connect the adjust pin to ground it will still output 1.25V.

    I suspect that you are trying to make a switch from the LDO? There are a few other LDOs that have an enable pin such as LP2985 and LP2951.

    If you provide me with more detail about your parameters I can try to help more.

    Thank you,

    Cameron Phillips