SBVS311A November 2019 – March 2020 TPS7A54
As with most LDOs, this device can be damaged by excessive reverse current.
Conditions where excessive reverse current can occur are outlined in this section, all of which can exceed the absolute maximum rating of VOUT > VIN + 0.3 V:
If an excessive reverse current flow is expected in the application, then external protection must be used to protect the device. Figure 47 shows one approach of protecting the device.