ZHCSJF4 February 2019 TPS65295
PRODUCTION DATA.
There are specific sequencing requirements for the DDR4 VDDQ and VPP rails. The TPS65295 follows the DDR4 power rail sequence requirements as shown in Figure 29 and Figure 30. VPP is greater than VDDQ at all times during ramp up, operating, and ramp down. The VTT output ramp and stable within 35 µs after VTT_CNTL asserted.