Optoelectronics/Displays 
Using current source drivers to boost series-connected LED output
Keywords: series-connected LED buckboost converter constant-current LED driver power-stage topology
[Summary of tips] For optimum performance, high brightness LEDs should be driven by a current source rather than by a voltage source. This article examines the design of a constant-current LED driver that can be used for driving a string of series-connected LEDs. The number of series-connected LEDs can vary from one to several. To drive the LEDs......Please login or register with us to view this article>>
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