In portable electronic devices which can take in power on multiple connectors
from different sources, an isolation switch using an active low Vf input power OR-ing
diode with fast reverse current protection using an N-FET as the pass element allows
power to be switched from one source to another without power being lost at the device.
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INC, HP, "IDEAL POWER OR-ING DIODE USING N-FET", Technical Disclosure Commons, (July 20, 2018)