LT3491 - White LED Driver

Product Overview

Linear Technology

Part number	LT3491
Manufacturer	Linear Technology
File Size	290.37 KB
Description	White LED Driver
Datasheet	LT3491 Datasheet
Additional preview pages of the LT3491 datasheet.

a unique high side LED current sense that enables the part to function as a “one wire current source;” one side of the LED string can be returned to ground anywhere, allowing a simpler one wire LED connection. Traditional LED drivers use a grounded resistor to sense LED current, requiring a 2-wire connection to the LED string. The 2.3MHz switching frequency allows the use of tiny inductors and capacitors. A single pin performs both shutdown and accurate LED dimming control. Few external componen.

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Published: Jan 16, 2010 |