LM3671MF-2.8 - Texas Instruments

Manufacturer Part Number

LM3671MF-2.8

Manufacturer

Texas Instruments

Introduction

The LM3671MF-2.8 is a highly efficient, space-saving, step-down DC-DC voltage regulator designed for powering portable applications.

Product Features and Performance

Step-down (Buck) regulator topology

Fixed output voltage of 2.8V

Supports input voltages from 2.7V to 5.5V

Capable of delivering up to 600mA of output current

High switching frequency of 2MHz minimizes the size of external components

Synchronous rectification for improved efficiency

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

Product Advantages

High efficiency and low power consumption enhance battery life

Compact SOT-23-5 package saves board space

High switching frequency enables the use of small, low-cost inductors and capacitors

Synchronous rectification technique contributes to high efficiency

Broad operating temperature range suits various environments

Key Technical Parameters

Voltage Input (Min): 2.7V

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 2.8V

Current Output: 600mA

Frequency Switching: 2MHz

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in over-current protection enhances safety

Over-temperature protection prevents damage under excessive heat conditions

Compatibility

Compatible with a broad range of input voltages and standard surface mount technologies for flexible PCB design

Application Areas

Portable electronics such as smartphones, digital cameras, and MP3 players

Battery-powered devices requiring efficient power management

Product Lifecycle

Obsolete status indicates discontinuation with a potential need to seek replacements or upgrades for new designs

Several Key Reasons to Choose This Product

Texas Instruments' reputation for reliability and performance in power management solutions

High efficiency and low quiescent current prolong battery life in portable applications

Compact package and high switching frequency enable miniaturized and efficient designs

Integration of synchronous rectification for improved power efficiency

Wide operational temperature range ensures reliability across different environments