Patent ID: 8080984

Claim:
A voltage regulator comprising: an operational amplifier (OPAMP) having a non-inverting input coupled to a reference voltage (Vref); an output source follower coupled to and controlled by an output of the OPAMP, the output source follower including a drain coupled to a voltage source and a source coupled to an output-node of the voltage regulator; a replica source follower coupled to and controlled by the output of the OPAMP in parallel with the output source follower, the replica source follower including a drain coupled to the voltage source and a source coupled to a circuit ground through a resistor network; and a feedback circuit extending from the output-node through a feedback resistor to the source of the replica source follower and through at least a first resistor of the resistor network to an inverting input of the OPAMP to couple a feedback voltage (Vfbk) thereto to regulate a voltage (Vout) at the output-node in response to a comparison between Vfbk and Vref.