LM3639AYFQT - Texas Instruments

Manufacturer Part Number

LM3639AYFQT

Manufacturer

Texas Instruments

Introduction

The LM3639AYFQT is a highly-integrated, high-efficiency quad-channel LED driver from Texas Instruments. It is designed to power LED backlight applications, providing precise and adjustable LED current control with a wide output voltage range.

Product Features and Performance

Supports 2.5V to 5.5V input voltage range

Provides up to 40V output voltage

Delivers up to 30mA, 750mA, and 1.5A of LED current per channel

Operates at a switching frequency of 500kHz or 4MHz

Supports PWM dimming for LED brightness control

Includes integrated power switches and internal compensation

Product Advantages

High efficiency and low power consumption

Accurate LED current control for uniform brightness

Wide output voltage range accommodates various LED configurations

Compact and integrated design simplifies circuit implementation

Flexible PWM dimming control for adaptive brightness adjustment

Key Reasons to Choose This Product

Optimized for LED backlight applications in consumer electronics

Excellent power efficiency and thermal management

Reliable and robust performance with integrated protection features

Easy to design and implement in space-constrained applications

Backed by Texas Instruments' reputation for quality and support

Quality and Safety Features

Integrated overcurrent, overvoltage, and thermal protection

Robust ESD and EMI performance

Complies with relevant safety and regulatory standards

Compatibility

The LM3639AYFQT is compatible with a wide range of LED configurations and can be used in various backlight applications, such as:

LCD displays

Smartphones and tablets

Automotive infotainment systems

Industrial control panels

Application Areas

LED backlight for LCD displays

Automotive infotainment and instrument cluster backlighting

General lighting and illumination applications

Product Lifecycle

The LM3639AYFQT is an active product in our website's sales team's portfolio. There are no immediate plans for discontinuation. However, as technology evolves, equivalent or alternative models may become available in the future. Customers are advised to check with our website's sales team for the latest product information and availability.