LM27952SD - Texas Instruments

Manufacturer Part Number

LM27952SD

Manufacturer

Texas Instruments

Introduction

The LM27952SD from Texas Instruments is a DC DC Regulator LED driver designed for powering backlight applications.

Product Features and Performance

Switched Capacitor (Charge Pump) topology

Integrated internal switches

Supports four outputs

Output voltage range from 2.5V to 3.9V

Output current per channel is 30mA

Operating frequency at 750kHz

PWM dimming capability

Designed for surface mount technology

Product Advantages

High efficiency due to switched capacitor design

Compact size with 14-WFDFN exposed pad package

Ability to drive multiple LEDs with up to four outputs

Key Technical Parameters

Minimum supply voltage: 3V

Maximum supply voltage: 5.5V

Operating temperature range: -40°C to 85°C

Quality and Safety Features

Robust construction suitable for demanding temperature environments

Compatibility

Suitable for use in small portable devices due to small package size and surface mounting capability

Application Areas

Primarily used for LED backlighting in various devices

Product Lifecycle

Currently listed as obsolete

Potential availability of replacements or upgrades should be checked with the manufacturer

Several Key Reasons to Choose This Product

Multi-output capability enhances design flexibility

High efficiency reduces power consumption

Wide operating temperature range makes it suitable for a variety of environments

PWM dimming enhances visual performance of LEDs

Obsolete status may offer cost advantages for non-critical applications