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ADM8845

Analog Devices
Part Number ADM8845
Manufacturer Analog Devices
Description Charge Pump Driver for LCD White LED Backlights
Published Mar 23, 2005
Detailed Description Preliminary Technical Data FEATURES ADM8845 drives 6 LEDs from a 2.6 V to 5.5 V (li-ion) input supply 1x/1.5x/2x Fractio...
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ADM8845
ADM8845

Overview
Preliminary Technical Data FEATURES ADM8845 drives 6 LEDs from a 2.
6 V to 5.
5 V (li-ion) input supply 1x/1.
5x/2x Fractional Charge Pump to maximise power efficiency 1% Max LED Current Matching Up to 88% Power Efficiency over Li-ion Range Powers Main and Sub Display LEDs with individual shutdown Package footprint only 9mm2 (3mm x 3mm) Package height only 0.
9mm Low power shutdown mode Shutdown Function Soft-start limiting inrush current Charge Pump Driver for LCD White LED Backlights ADM8845 GENERAL DESCRIPTION The ADM8845 provides the power required to drive up to six LEDs, using charge pump technology.
The LEDs are used for backlighting a color LCD display, with up to four LEDs in the main ...


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