DC/DC converter and control method of DC/DC converter
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United States of America Patent
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Jan 31, 2017
Grant Date -
Sep 3, 2015
app pub date -
Feb 5, 2015
filing date -
Feb 28, 2014
priority date (Note) -
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Abstract
A DC/DC converter and a control method thereof are disclosed. The DC/DC converter comprises: an output voltage regulation circuit configured to regulate an output voltage of the DC/DC converter, so as to output a duty cycle regulation signal; a PWM generator electrically coupled to the output voltage regulation circuit and configured to generate a first duty cycle signal according to a first clock signal and the duty cycle regulation signal; a detection circuit configured to output a control signal according to a second clock signal and a feedback signal, wherein the feedback signal is configured to detect whether or not the transient change of an input voltage of the DC/DC converter occurs; and a CBC regulation circuit electrically coupled to the PWM generator and the detection circuit, and configured to receive the first duty cycle signal and the control signal and output a second duty cycle signal.
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