LED driver system and method
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United States of America Patent
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May 11, 2010
Grant Date -
Jan 11, 2007
app pub date -
Jun 10, 2005
filing date -
Jun 10, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
According to an embodiment of the present invention, a system is provided for driving at least one light-emitting diode (LED). The system includes an output terminal connectable to an anode of the LED and at which an output voltage can be provided for the LED. A driver loop, connectable to a cathode of the LED, is operable to maintain a LED current flowing through the LED at a desired level, thereby attenuating modulation error attributable to voltage variations at the cathode of the LED.
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