Dears,
could you please help check the test result of TPS51100 when power down?
you can see below test result about the VCC=5V and VTT=0.75V waveform when power down the TPS51100, you can see there is a peak(rising) firstly then decline to zero. is it make sense and work stable? why?
DATASHEET:
Bes Regards
Iven Xu