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output short protection circuit

Discussion in 'General Electronics Discussion' started by rohitsay89, Aug 23, 2012.

  1. rohitsay89

    rohitsay89

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    Aug 23, 2012
    I am making a totem pole digital output of 1.5-23v. i was searching for a protection circuit for the output short to ground and +24v dc. please help me out by sending a diagram of the circuit if possible.
    this is the circuit with which i am working please replace the resistors
    R2 with 470ohm
    R3 with 120ohm
    R4 with 220ohm
    also the supply voltage is +24v and gnd.
     

    Attached Files:

  2. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
  3. rohitsay89

    rohitsay89

    2
    0
    Aug 23, 2012
    this is a new edited diagram of the orignal circuit...
     

    Attached Files:

  4. Harald Kapp

    Harald Kapp Moderator Moderator

    9,136
    1,844
    Nov 17, 2011
    This is still not short circuit proof and has R3 instead of a current source.
     
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