LM27762DSSR - Texas Instruments

Manufacturer Part Number

LM27762DSSR

Manufacturer

Texas Instruments

Introduction

The LM27762DSSR by Texas Instruments is a highly integrated charge pump-based DC DC switching regulator designed to provide positive and negative dual rail outputs from a single power source.

Product Features and Performance

Provides both positive and negative regulated voltages

Adjustable output voltages range: -5V to -1.5V and 1.5V to 5V

High-efficiency charge pump topology

7MHz to 2.3MHz adjustable switching frequency for flexible design

Capable of delivering up to 250mA of output current

Low noise operation suitable for sensitive applications

Wide input voltage range from 2.7V to 5.5V, suitable for battery-powered devices

Product Advantages

Dual rail output simplifies the power design for systems requiring both positive and negative voltages

High efficiency and low power consumption increase battery life

Compact 12-WFDFN package saves board space

Minimum external components required due to integrated charge pump and switch matrix

Key Technical Parameters

Voltage Input (Min/Max): 2.7V / 5.5V

Voltage Output (Min/Fixed/Max): -5V / 1.5V / -1.5V / 5V

Current Output: 250mA

Frequency Switching: 1.7MHz ~ 2.3MHz

Temperature Operating Range: -40°C to 85°C

Mounting Type: Surface Mount

Quality and Safety Features

Built with Texas Instruments' rigorous quality control and reliability standards

Over-temperature and over-current protection enhance safety

Compatibility

Broad input voltage range and adjustable output make it compatible with various sources and loads

Surface mount package compatible with modern PCB technology

Application Areas

Mobile phones, PDAs, and other portable devices

Battery-powered equipment requiring ± power rails

Audio and video equipment

Data acquisition systems

Product Lifecycle

The LM27762DSSR is currently active and not nearing discontinuation

Texas Instruments supports products through long lifecycles, and replacements or upgrades would be highlighted in their product documentation

Several Key Reasons to Choose This Product

Dual output capability reduces complexity in designs needing both positive and negative voltages

High efficiency conserves battery life in portable applications

Versatile input voltage range accommodates a variety of power sources

Texas Instruments' reputation for reliable, high-quality components ensures product durability and performance

Compact package and minimal external components requirement save on board space and total cost