Multi-output power supply device
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United States of America Patent
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May 21, 2013
Grant Date -
Apr 12, 2012
app pub date -
Dec 15, 2011
filing date -
Jun 15, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method of controlling a plurality of output voltages in a multi-output power supply device for generating a plurality of output powers by using a transformer. The method includes, if a system to which power is supplied from the multi-output power supply device is in a standby mode, blocking any one of at least two output powers of a secondary side of the transformer, wherein the blocked power is supplied to the system; and compensating for a resistance of a feedback circuit connected to a switching controller of a power switch of a primary side of the transformer in relation to one or more unblocked output powers of the transformer and maintaining the output of the unblocked output power to be constant.
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