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WEBENCH® Tools/TPS62810-Q1: TPS62810-Q1

jitendra rana23
Prodigy 100 points
Part Number: TPS62810-Q1

Tool/software: WEBENCH® Design Tools

Hi,

             there is overshoot and undershoot ringing in the pwm output of  ic TPS62810-Q1. i am using it as 3.3v to 1 volt  buck convertor. although there is no problem in output it exact 1 volt with limited ripple. i am attaching the image of pwm with overshoot and undershoot ringing shown in the white circle. this image not of my converter TPS62810-Q1 but  same  distortion is generating in the  TPS62810-Q1 dc to dc. please sugest me exact problem behind it.

PFA,

Regards,

jitendra kumar rana

Lead engineer, Samsung

  • 0
    TI__Expert 5425 points
    Hi Jitendra,

    those overshoots and undershoots are related to PCB parasitic inductances and parasitics in the measurement setup. I think you already figured out that you can observe them at any DCDC converter you are using.

    Regards, Juergen