Switched mode power supply and a method for operating a switched mode power supply
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United States of America Patent
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Apr 21, 2015
Grant Date -
Dec 19, 2013
app pub date -
Jun 13, 2012
filing date -
Jun 13, 2012
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A switched mode power supply provides a reduction of switching losses and increased efficiency. The switched mode power supply includes a first switch coupled to an input terminal configured to receive an input voltage, a second switch, an inductor and an output capacitor. The first switch and the second switch are coupled together at a node, the inductor is coupled between the node and an output terminal, and the output capacitor is coupled to the output terminal. The switched mode power supply further includes a transformer coupled between a control input of the first switch and the node and a pulse generator connected to a control input of the second switch. Further, the transformer includes at most two windings, in particular a primary winding and a secondary winding which are not directly connected to each other.
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