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LM3549 Datasheet High Power Sequential LED Driver

Manufacturer: Texas Instruments

General Description

The LM3549 is a high power LED driver with up to 700mA output current.

It has three constant current LED drivers and a buck boost SMPS for driving RGB LEDs with high efficiency.

LED drivers are designed for sequential drive so only one driver can be enabled at a time.

Overview

LM3549 www.ti.com SNVS640A – AUGUST 2010 – REVISED MAY 2013 LM3549 High Power Sequential LED Driver Check for Samples:.

Key Features

  • 1.
  • 2 Over-Current Protection.
  • Over-Temperature Protection.
  • I2C Compatible Interface.
  • Under-Voltage Lockout.
  • LED Open and Short Protection and Detection.
  • 95% Peak Efficiency Buck-Boost Converter.
  • NVM Memory for Calibration Data and Standalone Usage without I2C Control.
  • Soft Start.