TIMING BASED APPROACH FOR EFFICIENT SWITCHED MODE POWER CONVERSION
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United States of America Patent
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Jul 4, 2017
Grant Date -
Jul 6, 2017
app pub date -
Dec 30, 2015
filing date -
Dec 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A DC-DC converter includes a plurality of switches configured to be in a first charging mode until current through an inductor reaches a first current threshold to thereby indicate an end of the first charging mode. Responsive to the end of the first charging mode the DC-DC converter is configured to operate in a second charging mode for a time period ΔT in which a first side of the inductor is coupled to an input voltage and a second side of the inductor is coupled to a load. Responsive to the end of the time period ΔT, the DC-DC converter operates in a discharge mode until current through the inductor reaches its minimum.
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