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TPS22916: Max spec questions

Part Number: TPS22916

Tool/software:

Hi team,

I have a customer with the below inquiry. Let me know your thoughts and thanks in advance!

"1) What is the max Turn on time at 5V?  Datasheet only provides a typical number.

2) Turn on time is spec'd at Cload=0.1uF.  What kind of impact to the turn on time if we use Cload=0.2uF

3) What is the max QOD resistance?  Datasheet only provides a typical number"

Marco

  • Hoi Marco,

    Please specify the variant. Also did you check the typical plots in the datasheet. Do they answer your questions?

    Best Regards,
    Arush

  • Hi Arush,

    The variant we plan to use is TPS22916BLYFPR.  I saw the typical plots, but I need to understand what the worst case timings can be so we can confirm some system level timing specs.

    Regards,

    Matt

  • Hi Matthew,

    I am providing you some limits for reference purpose based on char data.

    1) What is the max Turn on time at 5V?  Datasheet only provides a typical number.

    85us to 145us. This is for full temperature range. 

    2) Turn on time is spec'd at Cload=0.1uF.  What kind of impact to the turn on time if we use Cload=0.2uF

    3) What is the max QOD resistance?  Datasheet only provides a typical number"

    If I remove -40C data, 135Ohms to 150 Ohms. 

    This data is only for your reference.

    Best Regards,
    Arush