POWER REGULATOR AND SLOPE COMPENSATION

摘要

A power regulator for converting an input voltage to an output voltage includes and inductor, wherein the output voltage of the regulator is in response to charging of the inductor at a clock frequency. An error amplifier has an inverting input coupled to the regulator output, and a non-inverting input coupled to a reference voltage. A slope compensation circuit is for generating a signal for charging the inductor. The compensation circuit includes an output coupled the circuitry for charging the inductor, wherein a signal on the output is generated in response to the input voltage, the output voltage, and the clock frequency.

主权项

1. A power regulator for converting an input voltage to an output voltage, the power regulator comprising:
a regulator input for coupling the power regulator to the input voltage; a regulator output for outputting the output voltage; a power stage having a power stage input coupled to the regulator input, a control input, and a power stage output; an inductor coupled between the power stage output and the regulator output, the power stage for charging the inductor in response to a clock signal; an error amplifier having an output coupled to the control input, an inverting input coupled to the regulator output, and a non-inverting input coupled to a reference voltage; and a slope compensation circuit for generating a signal for charging the inductor by the power stage, the compensation circuit comprising an output coupled the power stage, wherein a signal on the output is generated in response to the input voltage, the output voltage, and the frequency of the clock signal.