Other Parts Discussed in Thread: TPS7A7001
hi team:
My customer uses AMC7836 device and found that AVDD/DVDD has some backflow voltage causing LDO(TPS7A7001) shutdown. The backflow voltage reach to -0.2V. if there any comments about this case?
here are some waveform and schematic show as below:
LDO output waveform: (if disconnect the ADC ,then LDO return to normal)
LDO Schematic:
two ADCs shematic: