Hello team,
My customer observes the output voltage oscillation when start-up especially under 0 degC condition.
Could you please help me to address issue?
Please find the waveform and schematic from the internal link here.
Regards,
Itoh
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Hi Kazuki,
I have begun looking at your waveforms and I need some clarification of each waveform.
The waveforms are labeled PH(yellow), EN(blue), and SS(purple), but the labels do not seem to correspond to the waveform. For example, PH is not a switching waveform and SS never rises above 0V.
Also, it would be helpful to include the VIN waveform. I would like to see VIN, VOUT, PH and EN if possible.
You can respond here on the forum or if it is easier, you can contact me directly at jarrigo@ti.com.
Thanks, Jason