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Sep 5, 2013 at 14:08 vote accept zud
Aug 15, 2013 at 15:43 comment added Stephen Collings I don't know that chip, but it looks like current can flow from ADAPTER through the left FET's body diode, then to PVCC. I suspect that powers the chip. The body diode will allow current to flow regardless of the status of the gate.
Aug 15, 2013 at 14:16 comment added Tut Through the body diodes
Aug 15, 2013 at 12:53 history answered Stephen Collings CC BY-SA 3.0