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LT3003

Part Number	LT3003
Manufacturer	Linear Technology
Description	3-Channel LED Ballaster
Published	Jul 14, 2009
Detailed Description	www.DataSheet4U.com FEATURES ■ ■ ■ ■ ■ ■ ■ ■ LT3003 3-Channel LED Ballaster with PWM DESCRIPTION The LT®3003 drives th...
Datasheet	LT3003 PDF File

Overview

www.
DataSheet4U.
com FEATURES ■ ■ ■ ■ ■ ■ ■ ■ LT3003 3-Channel LED Ballaster with PWM DESCRIPTION The LT®3003 drives three separate strings of LEDs up to 350mA/channel with 3% accurate current matching, resulting in uniform LED brightness and intensity.
This approach is superior to conventional methods of running three separate channels with external ballast resistors requiring expensive factory calibration.
The LT3003 operates in boost, buck and buck-boost mode.
A True Color PWM Dimming ratio of up to 3000:1 is achievable using a logic-level signal at the PWM pin for all modes without the need for external level-shifting circuitry.
For applications with input supply above and below the out...

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