Dear all,
Here we use TPS65132A to supply LCD screen of a tablet, the AC ripple of VNEG seems to reach 700mV, too large. While I use pin2pin solution-NT50358. The ripple is much smaller. I don't think it's normal. Look forward to your reply.
(1)DC of AVEE of TPS65132A:
(2)AC of AVEE of TPS65132A:
(3)AC of AVEE of NT50358: