LOAD DRIVING CIRCUIT AND MULTI-LOAD FEEDBACK CIRCUIT
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United States of America Patent
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Issued Date -
Apr 21, 2011
app pub date -
Jan 28, 2010
filing date -
Oct 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A load driving circuit and a multi-load feedback circuit are disclosed. The load driving circuit and the multi-load feedback circuit are adapted to drive an LED module comprising a current balancing circuit for balancing the current flowing through LEDs. The load driving circuit and the multi-load feedback circuit modulate the electric power transmitted by the LED driving apparatus to an LED module according to voltage level(s) of one or more current balancing terminals having insufficient voltage in the current balancing circuit, so the voltage levels of the current balancing terminals are higher than or equal to a predetermined voltage level, further increasing the efficiency thereof.
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