DC-DC converter with adaptive phase compensation controller
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United States of America Patent
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Feb 2, 2016
Grant Date -
Oct 16, 2014
app pub date -
Dec 20, 2013
filing date -
Nov 28, 2008
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Abstract
A DC-DC converter for generating an output voltage from input voltage, includes: an output stage for outputting the output voltage; an error amplifier having an input and a reference input for receiving a feedback voltage at the input in accordance with the output voltage and for receiving a reference voltage at the reference input, the error amplifier generating an amplified voltage for driving the output stage, the amplifier voltage corresponding to the difference between the feedback voltage and the reference voltage; a phase compensation unit for generating a phase compensation component to the feedback voltage; and a phase compensation controller for controlling the phase of the phase compensation unit; wherein the feedback voltage determined by the output voltage plus said phase compensation component.
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