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TPS7A3001-EP: Ripple Voltage for TPS7A3001 & TPS7A4901

Pang
Expert 2385 points
Part Number: TPS7A3001-EP

Hi,

Please help to advise how to resolve the ripple voltage - 100mV which using TPS7A3001 & TPS7A4901. I have attached the the schematic and waveform shown for CH1 & CH2. Channel 1 is +1.65V waveform & Channel 2 is -1.65V waveform with Peak-to-peak voltage.

  • 0
    TI__Expert 4420 points

    Hi, could I suggest to AC couple the 2 channels and change the scale to a low value (i.e. 20 mV) and then perform the measurement? Currently you are DC coupled and I am not sure whether the peak to peak measurement is accurate.

    Thanks,

    JV