LM27965 Dual Display White LED Driver

National Semiconductor

Description

www.DataSheet4U.com LM27965 -Dual Display White LED Driver System with I2C Compatible Brightness Control May 2006 LM27965 Dual Display White LED Dr.
Features n 91% Peak LED Drive Efficiency The LM27965 is a highly integrated charge-pump-based n No Inductor Required dual-display LED driver.

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Datasheet Specifications

Part number: LM27965
Manufacturer: National Semiconductor
File Size: 821.65 KB
Datasheet: LM27965_NationalSemiconductor.pdf
Description: Dual Display White LED Driver

Features

* n 91% Peak LED Drive Efficiency The LM27965 is a highly integrated charge-pump-based n No Inductor Required dual-display LED driver. The device can drive up to 9 LEDs in parallel with a total output current of 180mA. Regulated n 0.3% Current Matching internal current sinks deliver excellent current

Applications

* an inductor by operating the charge pump in a gain of 3/2, or in Pass-Mode. The proper gain for maintaining current regun Mobile Phone Display Lighting lation is chosen based on LED forward voltage, so that n PDA Backlighting efficiency is maximized over the input voltage range. n General LED Lighti

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LM27965 Dual Display White LED Driver National Semiconductor

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