LM3671MFX-ADJ - Texas Instruments

Manufacturer Part Number

LM3671MFX-ADJ

Manufacturer

Texas Instruments

Introduction

The LM3671MFX-ADJ is a high-efficiency, step-down DC-DC converter designed for battery-powered and low-power applications.

Product Features and Performance

Step-down (Buck) topology

Adjustable output voltage

Single output channel

High-switching frequency of 2MHz for smaller passive components

Synchronous rectification for improved efficiency

Supports a wide input voltage range from 2.7V to 5.5V

Capable of supplying up to 600mA of output current

Operates at a temperature range of -40°C to 85°C

Surface mount type suitable for PCB designs

Product Advantages

High-efficiency conversion reduces thermal loss

Adjustable output voltage provides design flexibility

Fast switching frequency allows the use of smaller inductors and capacitors

Synchronous rectifier increases overall efficiency, especially at light loads

Compact SOT-23-5 package saves space on the PCB

Key Technical Parameters

Input Voltage (Min): 2.7V

Input Voltage (Max): 5.5V

Output Voltage (Min/Adjustable): 1.1V

Output Voltage (Max): 3.3V

Output Current: 600mA

Frequency - Switching: 2MHz

Synchronous Rectifier: Yes

Quality and Safety Features

Built-in over-current protection

Thermal shutdown feature for safety

High-reliability design

Compatibility

Compatible with a broad range of input sources and varying load conditions

Application Areas

Mobile Phones

Wireless Communication devices

Portable Media Players

Battery-powered devices

Product Lifecycle

Obsolete

Potential alternatives or upgrades should be considered

Several Key Reasons to Choose This Product

High-efficiency converter extends battery life

Adjustable output voltage makes it suitable for various applications

Fast switching allows for a low-profile and compact power supply design

Small form factor is ideal for space-constrained applications

Texas Instruments' reputation for reliable and durable products