LM3404MRX - Texas Instruments

Manufacturer Part Number

LM3404MRX

Manufacturer

Texas Instruments

Introduction

The LM3404MRX is an integrated circuit designed for driving LEDs with a high level of efficiency and performance, particularly suited for automotive lighting applications.

Product Features and Performance

Integrated step-down (buck) regulator

Internal switch

Supports dimming using PWM signal

Capable of delivering up to 1A current to LEDs

Works over a wide input voltage range from 6V to 42V

Delivers up to 40V output voltage

High switching frequency of 1MHz

Product Advantages

High efficiency for improved power consumption

High reliability and robustness suited to automotive standards

PWM dimming capability allows for adjustable light output

Key Technical Parameters

Type: DC DC Regulator, Step-Down (Buck)

Internal Switch: Yes

Number of Outputs: 1

Voltage Supply (Min): 6V

Voltage Supply (Max): 42V

Voltage Output: 40V

Current Output / Channel: 1A

Frequency: 1MHz

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Designed to automotive grade specifications

Overtemperature and overcurrent protection

Compatibility

Compatible with a wide range of LED types

Surface mountable with 8-PowerSOIC package

Application Areas

Automotive lighting including headlights, tail lights, and interior lighting

Product Lifecycle

Discontinued at Digi-Key

Customers should inquire about replacements or upgrades

Several Key Reasons to Choose This Product

Highly efficient and robust for automotive use

Wide input voltage range accommodating various power supplies

High output capabilities with adjustable dimming

Meets stringent automotive reliability and safety standards

Compact surface mount package for easy integration into automotive systems