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
