LM3431AMH/NOPB - Texas Instruments

Manufacturer Part Number

LM3431AMH/NOPB

Manufacturer

Texas Instruments

Introduction

The LM3431AMH/NOPB is a high-efficiency, low-noise, and low-quiescent current DC-DC controller for driving high-brightness LEDs in a variety of applications, including general lighting, LCD backlight, and automotive displays. It features a high-side current sensing topology and an internal 1MHz switching frequency to enable a compact and efficient solution.

Product Features and Performance

High-side current sensing for accurate LED current control

Internal 1MHz switching frequency

Low quiescent current of 35μA

Wide input voltage range from 4.5V to 36V

Supports up to 3 LED channels

Analog and PWM dimming control

Thermal protection and LED open/short circuit protection

Product Advantages

Compact and efficient solution for LED driving

Accurate LED current control with high-side sensing

Wide input voltage range for versatile applications

Flexible dimming control options

Robust protection features for reliable operation

Key Reasons to Choose This Product

Exceptional power efficiency and thermal performance

Precise LED current regulation for uniform brightness

Flexible design options with multiple output channels

Advanced protection features for safe and reliable operation

Proven reliability and long-term performance

Quality and Safety Features

Robust thermal protection against overheating

LED open/short circuit protection

Overcurrent and overvoltage protection

Compatibility

The LM3431AMH/NOPB is compatible with a wide range of LED-based applications, including general lighting, LCD backlighting, and automotive displays.

Application Areas

General lighting

LCD backlight

Automotive displays

Industrial and commercial lighting

Product Lifecycle

The LM3431AMH/NOPB is an active product, and there are no plans for discontinuation at this time. Our website's sales team offers several equivalent or alternative models that may be suitable for your specific requirements. Please contact our website's sales team for more information and assistance in selecting the best product for your application.