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TPS56637: Ripple calculation in Eco mode

Takashi Onawa
Genius 13200 points
Part Number: TPS56637

Hi Team,

My customer would like to estimate ripple p-p in Eco mode, do you have a equation to calculate it or any document to understand how to calculate?

Regards,

Takashi Onawa

  • 0
    TI__Expert 5030 points

    Hi Takashi,

    It's hard to get a common equation for ripple in Eco mode. You know that the ripple in Eco mode is large because the time that IL>Iload is longer than CCM mode. So some devices will choose to reduce on-time to some extent correspondingly for ripple reduction in Eco mode.

    So it's suggested to use simulation tool to get p-p ripple in Eco mode.

    Regards,

    Andrew