SSZT658 july   2018 TPS7A37 , TPS7B7702-Q1

 

  1.   1
  2.   2
    1.     3
    2.     Use a Schottky Diode
    3.     Use a Diode before the LDO
    4.     Use a Second FET
    5.     Connect the Bulk of the MOSFET to GND
    6.     Conclusion
Technical Article

LDO Basics: Preventing Reverse Current