LM27952SDX - Texas Instruments

Manufacturer Part Number

LM27952SDX

Manufacturer

Texas Instruments

Introduction

The LM27952SDX is a high-efficiency, integrated LED driver designed for a wide range of backlight applications.

Product Features and Performance

Integrated 4-channel switched capacitor (charge pump) architecture

Supports up to 30mA per channel

Operates from a 3V to 5.5V supply voltage

Supports PWM dimming

High conversion efficiency of up to 95%

750kHz operating frequency

Product Advantages

Compact 14-WFDFN package

Integrated solution reducing external components

High efficiency reducing power dissipation

Wide operating voltage range

Key Technical Parameters

4 Outputs

Output Voltage: 2.5V to 3.9V

Max Output Current per Channel: 30mA

Operating Temperature: -40°C to 85°C

Quality and Safety Features

RoHS non-compliant

Compatibility

Surface mount package suitable for automated assembly

Application Areas

Backlight applications, such as LCD displays, indicator lights, and general lighting

Product Lifecycle

This product is an active and available solution from Texas Instruments.

Key Reasons to Choose This Product

Integrated 4-channel charge pump architecture simplifies design and reduces BOM

High efficiency up to 95% reduces power dissipation and cooling requirements

Wide operating voltage range from 3V to 5.5V provides flexibility in power supply selection

PWM dimming support enables easy brightness control

Compact 14-WFDFN package suitable for space-constrained applications