DD311 is a single-channel constant current LED driver, which incorporates current mirror and 

current switch, designed to drive power LEDs. It can provide a maximum sink current of 1A, 

adjustable by reference current input. The output current is 100 times the input current value set by 

an external resistor or bias voltage. The Maximum output voltage of 33V can provide more series 

power LEDs in a string. The output enable allows dimming control or switching power applications. 

 

 

 

 

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