UC3871N - Texas Instruments

Manufacturer Part Number

UC3871N

Manufacturer

Texas Instruments

Introduction

The UC3871N is a fluorescent lamp controller IC designed to drive cold cathode fluorescent lamp (CCFL) backlights for LCD displays. It features a high-frequency current-mode controller that operates from 4.5V to 20V and can drive lamps with frequencies ranging from 57kHz to 78kHz.

Product Features and Performance

Operates from 4.5V to 20V supply voltage

Lamp driving frequency range of 57kHz to 78kHz

Current-mode control for stable lamp current

No dimming function

Product Advantages

High-frequency operation for compact transformer design

Wide supply voltage range for versatile applications

Current-mode control ensures stable lamp current

Key Reasons to Choose This Product

Reliable and efficient fluorescent lamp driving solution

Suitable for LCD backlight applications

Cost-effective compared to alternative solutions

Quality and Safety Features

Robust overcurrent protection

Thermal shutdown for safe operation

Compatibility

The UC3871N is compatible with a wide range of cold cathode fluorescent lamps (CCFLs) used in LCD display backlighting applications.

Application Areas

LCD display backlighting

Portable electronics

Industrial equipment

Product Lifecycle

The UC3871N is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Texas Instruments or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.