Assisting a load current of a switching voltage regulator
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United States of America Patent
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Mar 31, 2015
Grant Date -
Dec 5, 2013
app pub date -
Jun 4, 2012
filing date -
Jun 4, 2012
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Abstract
Embodiments for at methods, apparatus and systems for operating a voltage regulator are disclosed. One method includes generating, by a switching controller, a switching voltage through controlled closing and opening of a series switch element and a shunt switch element, and generating an output voltage by filtering the switching voltage with an output inductor and a load capacitor. The method further includes generating an assisting current based on a value of current conducted through the output inductor, and assisting the load current by summing the assisting current with the current conducted through the inductor.
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