Hmmm. If it were about 30ma or less I would have suggested running the regulator directly off an i/O pin on the MCU.
Okay, just use a P-channel MOSFET to turn on power to the 1.8V regulator using the MCU.
Hmmm. If it were about 30ma or less I would have suggested running the regulator directly off an i/O pin on the MCU.
Okay, just use a P-channel MOSFET to turn on power to the 1.8V regulator using the MCU.