LM3674MFX-1.8 - Texas Instruments

Manufacturer Part Number

LM3674MFX-1.8

Manufacturer

Texas Instruments

Introduction

The LM3674MFX-1.8 is a fixed output, step-down (buck) DC-DC switching regulator designed for power management, specifically tailored for voltage regulation.

Product Features and Performance

Step-Down (Buck) topology for efficient down-conversion

Fixed output configuration ensuring stable voltage output

Capable of delivering up to 600mA output current

High switching frequency of 2MHz that allows for smaller components

Synchronous rectification for enhanced efficiency

Operating temperature range from -30°C to 85°C

Designed for surface mount technology

Product Advantages

High efficiency due to synchronous rectifier

Compact SOT-23-5 package ideal for space-constrained applications

Robust operation in extensive temperature ranges

Key Technical Parameters

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

Output Voltage: 1.8V (Fixed)

Output Current: 600mA

Switching Frequency: 2MHz

Operating Temperature: -30°C to 85°C

Quality and Safety Features

Built-in thermal shutdown and current limit features

Reliability in a wide range of environmental conditions

Compatibility

Compatible with a wide range of input voltages and surface mount technologies

Accommodates varied electronic circuits requiring 1.8V

Application Areas

Mobile phones, PDAs, and other portable consumer electronics

Supplies for digital processors and storage

Power management for microcontrollers

Product Lifecycle

Status: Obsolete

Availability of replacements or upgrades should be considered through newer Texas Instruments models with similar functions

Reasons to Choose This Product

High-efficiency power conversion reduces energy waste

Compact and lightweight design well-suited for portable devices

Reliable operation across a broad range of temperatures and conditions

Suitable for standard surface mount technology easing manufacturing processes

Extensive compatibility with a variety of electronic devices requiring a 1.8V supply