Dual frequency control of buck-boost regulator with a pass through band
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United States of America Patent
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Sep 1, 2015
Grant Date -
Nov 28, 2013
app pub date -
May 25, 2012
filing date -
May 25, 2012
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Abstract
Dual frequency control of first and second pairs of switches of a buck-boost regulator with pass through band is disclosed. In buck and boost modes respectively a first pair of the switches is operated at high frequency and a second pair of the switches is operated at low frequency. In pass through mode, both pairs of switches are operated at low frequency. Dual frequency control and operation of the pairs of switches enables current sharing between positive and negative power leads in buck, boost and pass-through modes.
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