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ISL97635A - SMBus 6-Channel LED Driver

ISL97635A Description

ISL97635A SMBus 6-Channel LED Driver The ISL97635A is a digitally controlled LED driver that controls 6 channels of LED current for LCD backlight appl.

ISL97635A Features

* a dynamic headroom control that monitors the highest LED forward voltage string and uses its feedback signal for output regulation. The LED dimming control can be achieved through a SMBus, an external PWM, or a variable DC (analog light sensor) input. SMBus controlled dimming allows 256 levels each

ISL97635A Applications

* The ISL97635A is capable of driving typically 54 (6x9) pieces of 3.5V/30mA or 60 (6x10) pieces of 3.2V/20mA LEDs. The ISL97635A contains 6 channels of voltage controlled current sources with typical currents matching of ±1%, which compensate for the non-uniformity effect of forward voltages varianc

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