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UCC27710: Input parameters on LI and HI

M.A.M
Expert 8535 points
Part Number: UCC27710

Hi,

My customer need more details on the inputs to calculate the input network.
Please help me specify the input's pulldown resistor characteristics and input's capacitances on LI and HI.

Thanks!
B.r  M.A.M

  • 0
    TI__Mastermind 21465 points

    Hello M.A.M.

    Thank you for the interest in the UCC27710. The pull down resistors on the input are to make sure that a floating input signal is pulled low to guarantee the low state.

    The input resistances for LI and HI are 400k Ohms nominal. The resistors in the IC do have variance from device to device and temperature. The total expected change over devices and temperature range is +/-40%.

    The input capacitance of the driver inputs is very low. The typical input capacitance is approx. 3pF.

    Confirm if this addresses your questions or you can post additional questions on this thread.

    Regards,