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Original question:

TPS37-Q1: min of tctr and tsd

TPS37-Q1: minimum guarantee values of tctr and tsd

Yuki Okuyama
Prodigy 40 points
Part Number: TPS37-Q1

Hello team,

Please tell me the minimum guarantee values ​​of tSD and tCTR when CCTR1/MR = CCTR2/MR = Open.
I want TPS37-Q1 to output RESET for a certain period of time.
I would like to know if there is enough period for tSD(min) and tCTR(min).

regards,

  • +1
    TI__Genius 9140 points

    Hi Yuki,

    For the TPS37-Q1 Texas Instruments does not guarantee a minimum value for tSD and tCTR in CTR pin open configuration.

    If you would like to ensure there is enough active RESET time you may add an external capacitor to the respective CTR pin and refer to section, 8.3.4.1 Reset Time Delay Configuration for the equation to calculate the minimum reset delay.

    Thanks,

    Joshua