Switching regulator
AssigneeRohm Co., Ltd.
InventorDaiki Yanagishima
Life of this patent
Estimating the term…
Abstract
A switching regulator is provided with: a comparator producing a comparison signal by comparing a feedback voltage commensurate with an output voltage with a predetermined reference voltage; an oscillator producing a clock signal at a predetermined frequency; a latch circuit producing a pulse width modulation signal with a desired duty factor based on the comparison signal and the clock signal; an output transistor for which switching control is performed based on the pulse width modulation signal, the output transistor having one end from which a switching voltage in the form of a rectangular wave is outputted; and a phase compensation circuit connected between an output terminal of the latch circuit and a feedback voltage input terminal of the comparator.
Claims7
A switching regulator, comprising:
- a comparator producing a comparison signal by comparing a feedback voltage commensurate with an output voltage with a predetermined reference voltage;
- an oscillator producing a clock signal at a predetermined frequency;
- a latch circuit producing a pulse width modulation signal with a desired duty factor based on the comparison signal and the clock signal;
- an output transistor for which switching control is performed based on the pulse width modulation signal, the output transistor having one end from which a switching voltage in a form of a rectangular wave is outputted;
- and
- a phase compensation circuit connected between an output terminal of the latch circuit and a feedback voltage input terminal of the comparator.
Dependencies are inferred from the claim text.