Method and apparatus for supplying and switching power
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United States of America Patent
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Aug 7, 2012
Grant Date -
N/A
app pub date -
Dec 17, 2009
filing date -
Oct 31, 2007
priority date (Note) -
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Abstract
A dimming power supply includes a power source, a full bridge rectifier with four nodes, a control switch and a controller. The first node is connected to the power source, the second is connected to a load output, and the third is connected to a reference voltage node. The control switch is connected between the fourth node and the reference voltage node. The controller is connected to a control input of the control switch. The controller is adapted to adjust a voltage or current through the load output.
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