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Four White LED Backlight Driver
Analog Devices Inc.

The ADM8843 uses charge pump technology to provide the power to drive up to four LEDs. The LEDs are used for back-lighting a color LCD display that has regulated constant current for uniform...
Drives 4 LEDs from a 2.6 V to 5.5 V (Li-Ion) input supply 1×/1.5×/2× fractional charge pump to maximize power efficiency 0.3% typical LED current matching Up to 88% power efficiency over Li-Ion range Powers main and sub display LEDs with individual shutdown Package footprint only 9 mm2 (3 mm × 3 mm) Package height only 0.55 mm Low power shutdown mode Shutdown function Soft start limiting in-rush current

Related Datasheets
Part Number Description Category
? ?ADD8754 LCD Panel Power, VCOM,and Gate Modulation Passives - Filters, Oscillators and Resonators
? ?ADM8832 Charge Pump Regulator for Color TFT Panel ICs, Interface
? ?ADM8839 Charge Pump Regulator for Color TFT Panel ICs, Interface
? ?ADM8843 Four White LED Backlight Driver ICs, Interface
? ?ADM8845 Charge Pump Driver for 6 White LED LCD Backlights ICs, Interface
? ?ADP1653 Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface ICs, Interface

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