Patent ID: 7622820

Claim:
A switch-mode power supply, comprising: a magnetic storage element; a switching circuit coupled to said magnetic storage element for energizing said magnetic storage element; a capacitive storage element coupled to said magnetic storage element, wherein said capacitive storage element is charged by a current transferred from said magnetic storage element to provide an output terminal adapted for coupling to a load; a sensing circuit for sensing at least one of a current and a voltage provided at said output terminal; a parameter extraction circuit for measuring parameters determinative of a characteristic response of said switch-mode power supply during regulative operation of said switch-mode power supply; and a control circuit having an input coupled to an output of said sensing circuit and an output coupled to said switching circuit, for controlling said switching circuit in accordance with a compensating response, and wherein said control circuit adjusts said compensating response in conformity with an output of said parameter extraction circuit, wherein as said characteristic response changes due to variations in said parameters, said compensating response is also changed.