Patent ID: 7122996

Claim:
A voltage regulator circuit, comprising: a pass transistor that is coupled to an output node; a voltage divider circuit that includes first, second, and third impedance circuits, wherein the third impedance circuit is coupled between a first feedback node and a second feedback node, the first impedance circuit is coupled between the output node and the second feedback node, and wherein the second impedance circuit is coupled to the first feedback node; an error amplifier circuit including a first input that is coupled to the first feedback node, a second input, and an output that is coupled to the pass transistor; a capacitor circuit that is coupled between the output node and a capacitor node; a comparator circuit including a first input that is coupled to the second feedback node, a second input that is coupled to the second input of the error amplifier circuit, and an output; and a switch circuit that is coupled between the capacitor node and the first feedback node, and further coupled to the output of the comparator circuit.