Multi-output power supply apparatus enhancing a power imbalance between multiple outputs
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United States of America Patent
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Aug 23, 2016
Grant Date -
Jun 12, 2014
app pub date -
Mar 15, 2013
filing date -
Dec 10, 2012
priority date (Note) -
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Abstract
There is provided a multi-output power supply apparatus capable of maintaining multiple output voltages in a balanced state by limiting a variable range of a switching duty according to a load state. The multi-output power supply apparatus includes: a power supply unit switching input power to output a plurality of voltages whose power levels are determined according to the switching operation; and a controller detecting power states of at least some of the plurality of voltages from the power supply unit, and limiting a range of a switching duty of the power supply unit to a pre-set range when the detected power states correspond to a pre-set limited power state.
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