Patent ID: 8436598
Filing Date: 2013-05-07
Classification: H02M

Abstract:
1. An output-voltage control device, comprising: a comparator which generates a comparison result after a given time passes from first timing of a first periodic signal, the comparison result being obtained by comparing a difference between an output voltage and a reference voltage with the first periodic signal; a first signal generator which generates a timing control signal which is at a first level before the given time passes from the first timing, and which changes from the first level to a second level in a period in which the comparator outputs the comparison result after the given time passes; and a second signal generator which generates a control signal for controlling the output voltage in accordance with the comparison result and the timing control signal, wherein the first signal generator generates a comparison signal by adjusting a timing at which the timing control signal changes between the first level and the second level in accordance with an input voltage and one of the output voltage and the reference voltage.