Power supply that determines energy consumption and outputs a signal indicative of energy consumption
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United States of America Patent
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Dec 11, 2012
Grant Date -
Jan 28, 2010
app pub date -
Sep 30, 2008
filing date -
Jul 25, 2008
priority date (Note) -
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Abstract
A power supply includes a rectifier having an AC input and a DC output and a power factor correction (PFC) preregulator, coupled to the rectifier, that increases a power factor of the power supply. The PFC preregulator includes a controller that integrates an input power to determine energy consumption and outputs a signal indicative of the energy consumption.
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