Patent ID: 6972974

Claim:
A switching regulator for receiving an input voltage and generating an output voltage having substantially constant magnitude, the switching regulator comprising: an error amplifier having a first input node coupled to receive a first voltage corresponding to the output voltage, a second input node coupled to a reference voltage and an output node providing an error voltage indicative of the difference between the first voltage and the reference voltage; a control circuit comprising an input node receiving the error voltage and an output node generating a first switch control signal and a second switch control signal, the first and second switch control signals driving a first switch and a second switch respectively for generating a signal for generating the output voltage, wherein the error amplifier and the control circuit form a feedback control loop having a first loop gain for maintaining the output voltage at a substantially constant magnitude; and a compensation circuit disposed in the feedback control loop, the compensation circuit applying a scaling factor to the first loop gain, wherein the first loop gain of the feedback control loop is defined by a first function describing a the loop gain dependency on the input voltage and the output voltage, and the compensation circuit applies a second function describing the scaling factor wherein the second function is a reciprocal function of the first function.