High- and low-power power supply with standby power saving features
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United States of America Patent
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Feb 5, 2013
Grant Date -
Mar 10, 2011
app pub date -
Sep 17, 2010
filing date -
Aug 28, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power supply for providing power to an electrical device is described. The power supply converts a received input signal to a first electrical having a first voltage level at a first power converter. The power supply additionally converts the first electrical signal to a second electrical signal having a second voltage level at a second power converter, to provide the second electrical signal having the second voltage level to an output port. The power supply includes a circuit to selectively bypass the second power converter and provide the first electrical signal having the first voltage level from the first power converter to the output port. The first power converter may include one or more switches that may be disabled to disconnect power from the first power converter for additional standby power saving features.
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