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Original question:

LP5907: Questions of LP5907

LP5907: Questions of LP5907

Jimmy Lai
Expert 6845 points
Part Number: LP5907

Dear Team,

Please refer this post as below,

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1177730/lp5907-questions-of-lp5907/4437442#4437442

There is no abnormality in the temperature measurement of the board with waveform problems. What is the reason for the abnormal output voltage waveform?

Many Thanks,

Jimmy

  • 0
    TI__Mastermind 37925 points

    Hi Jimmy,

    Can you please provide the measurement method? I.e. the kind of probes and where the connections were made on the board.

    Can you also provide an AC-coupled waveform of the output so that I can see more details of its behavior? Please include a zoomed in waveform to show the small-signal ripple if there is any. If the device is unstable it should be apparent in this zoomed-in waveform. 

    Regards,

    Nick