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TPS62933PEVM: Output Voltage Ripple questions

Eduardo Munoz
Prodigy 60 points
Part Number: TPS62933PEVM

I am using tip and barrel method to measure the output voltage ripple at the moment, and I am seeing this. I was expecting something more triangular any thoughts on this? 

 

  • 0
    TI__Expert 7320 points

    Hi Eduardo,

    Have you done some rework or directly test on our EVM? It seems the ESR and ESL of output capacitors are large than normal.

    If you directly test on the EVM, please try to adjust the direction of the barrel to see if there's any difference.