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TPS3840: TPS3840

Part Number: TPS3840

Hi,team.

Tell me about the voltage output to the CT pin of TPS3840DL28.

I think that the same voltage that is applied to VDD is output to the CT pin.

Is this right?

I want to calculate including the effect of DC bias.

thanks.

  • Hello User,

    The CT pin is an input pin to set the reset time delay. Leave CT floating sets the minimum reset time delay, otherwise with an external capacitor, the capacitor charges up through R_CT. The voltage the capacitor charges up to is not VDD but some logic level to cause the /RESET to release back to logic high.

    Please use equations 2 through 6 to determine the delay using an external capacitor. Let me know if you have any additional questions.