How to find pull up resistance at IN for pull up to Vcc

Discussion in 'The Projects Forum' started by vivek20055, Dec 17, 2012.

  1. vivek20055

    Thread Starter Member

    Nov 4, 2012
    88
    0
    Hi,

    I am using LM5112 gate driver. I am not using IN pin , So, I need to pull up to Vcc which is 12V. Now ,how to calculate the pull up resistance value at IN.

    I am attaching LM5112 gate driver datasheet with this post



    Best regards,
    Vivek Alaparthi
     
  2. #12

    Expert

    Nov 30, 2010
    16,252
    6,751
    1ua to 2.3 volts from 5 volts = 2.7 meg
    The pull up resistor must be less than 2.7 M
     
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