LED driver circuit with PWM output
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United States of America Patent
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Jul 1, 2003
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N/A
app pub date -
Dec 5, 2001
filing date -
Dec 5, 2001
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Abstract
The driver circuit for light emitting diodes (LEDs) of the present invention provides power to LEDs using pulse width modulation (PWM). The driver circuit 100 uses current feedback to adjust power to LED arrays 54 and provides a full light and a dim mode.
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