Multi-output power supply
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United States of America Patent
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Sep 20, 2016
Grant Date -
May 22, 2014
app pub date -
Feb 11, 2013
filing date -
Nov 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a multi-output power supply capable of maintaining power balancing between multiple output powers by fixing a switching duty until a voltage level reaches a predetermined voltage level during an initial stage of a soft-start operation, the multi-output power supply including a power supply unit switching an input power and outputting a plurality of powers having levels determined according to the switching, and a controller controlling a soft switching operation of the power supply unit during an initial operation and fixing a switching duty of the power supply unit to a preset switching duty according to a result of a comparison between a preset reference voltage level and an operating voltage determining whether the soft switching operation is performed or not during the soft switching operation.
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