Switched mode power supply and controlling method thereof
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United States of America Patent
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Dec 25, 2001
Grant Date -
N/A
app pub date -
Aug 11, 1999
filing date -
Aug 11, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A power supply circuit includes a power converter and a control circuit. The power converter converts AC power to DC power, and the control circuit controls operation of the power converter. The control circuit repeatedly enables the conversion operation of the power converter for a first predetermined period of time and disables the conversion operation for a second predetermined period of time, greater than said first predetermined period of time, in a power saving mode of operation.
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