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AT Power Supply question: "Power Good" signal

Discussion in 'Electronic Basics' started by Marcel Gonzalez, Jan 5, 2004.

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  1. Hello.
    Can I use this signal to drive an LED for visual indication ?

  2. cpemma

    cpemma Guest

    Is there a need? If it's "good" the other 5v or 12v lines will work (to
    which a led is easy to attach), if not the psu will shut down.
  3. Wayne

    Wayne Guest

    This is usually the output of some comparator like LM393.. Should be able
    to sink 10ma no problem.

    I beleive this signal is low if power is good.
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