LM27966 - White LED Driver

Product Overview

National Semiconductor

Part number	LM27966
Manufacturer	National Semiconductor
File Size	714.74 KB
Description	White LED Driver
Datasheet	LM27966 Datasheet
Additional preview pages of the LM27966 datasheet.

The LM27966 is a highly integrated charge-pump-based display LED driver.

The device can drive up to 6 LEDs in parallel with a total output current of 180mA.

Regulated internal current sources deliver excellent current and brightness matching in all LEDs.

n n n n n n n n n n n 91% Peak LED Drive Efficiency No Inductor Required 0.3% Current Matching Drives 6 LEDs with up to 30mA per LED 180mA of total driver current I2C Compatible Brightness Control Interface Adaptive 1x- 3/2x Charge Pump Resistor-Programmable Current Settings External Chip RESET Pin (RESET) Extended Li-Ion Input: 2.7V to 5.5V Small low profile industry standard leadless package, LLP 24 : (4mm x 4mm x 0.8mm).

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Published: Jan 12, 2009 |