Output control device, and AC/DC power source device, circuit device, LED backlight circuit device, and switching DC/DC converter device each using output control device
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United States of America Patent
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Feb 2, 2010
Grant Date -
Feb 5, 2009
app pub date -
Dec 27, 2007
filing date -
Jul 31, 2007
priority date (Note) -
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Abstract
In one embodiment of the present invention, an output control device is disclosed capable of reducing a chip size and realizing a low cost. An output control device includes a switching transistor controlling an output voltage by having an on/off time ratio controlled and a control IC controlling the on/off time ratio of the switching transistor on the basis of the output voltage controlled by the switching transistor. The switching transistor is made of a lateral power MOSFET.
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