Function control and its application in DC-DC switching regulators

Abstract
A control strategy for a DC-DC switching regulator is studied from the viewpoint of the mathematical relation between the inputs and the outputs of the control circuit. A function control is suggested by which the regulator is inherently stable and the effects of the disturbances from the line voltage and the load resistance can be eliminated and greatly reduced, respectively. The control circuit is simple and flexible. An experimental function-control buck regulator is breadboarded to verify the analysis.

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