POWER SUPPLY DEVICE WITH OVER-VOLTAGE PROTECTION
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United States of America Patent
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Issued Date -
Sep 24, 2015
app pub date -
Jul 30, 2014
filing date -
Mar 19, 2014
priority date (Note) -
Abandoned
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Abstract
A power supplying device includes a power supplying unit, a first switching element, a compensating unit, a controller, and an over-voltage protecting unit. The power supplying unit includes a main power-outputting terminal, a standby power-outputting terminal, a DC to DC power converter, and a first sensing resistor. The DC to DC power convertor includes a power-outputting terminal The first sensing resistor is electrically connected to the power-outputting terminal and the main power-outputting terminal The first switching element is electrically connected to the first sensing resistor and the main power-outputting terminal The compensating unit is electrically connected to the main power-outputting terminal The controller is electrically connected to the compensating unit and the power supplying unit. The over-voltage protecting unit is electrically connected to the main power-outputting terminal, the first switching element, the standby power-outputting terminal, the power-outputting terminal, and the compensating unit.
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