Manufacturer Part Number
LM2673SX-3.3
Manufacturer
Texas Instruments
Introduction
High-efficiency, non-synchronous, step-down DC-DC converter
Designed for simple, cost-effective power supply solutions
Product Features and Performance
Wide input voltage range: 8V to 40V
Fixed 3.3V output voltage
Output current up to 3A
260kHz switching frequency
High efficiency up to 95%
Internal compensation
Thermal shutdown and current limiting protection
Product Advantages
Simple design with minimal external components
Compact DDPAK/TO-263-7 package
Suitable for a variety of applications
Key Technical Parameters
Input Voltage: 8V to 40V
Output Voltage: 3.3V
Output Current: 3A
Switching Frequency: 260kHz
Efficiency: Up to 95%
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Thermal shutdown protection
Current limiting protection
Compatibility
Suitable for a wide range of DC-DC conversion applications
Application Areas
Portable electronics
Industrial equipment
Telecommunications equipment
Automotive electronics
Product Lifecycle
This product is an active component and is not nearing discontinuation.
Replacement or upgrade options may be available from Texas Instruments.
Several Key Reasons to Choose This Product
Wide input voltage range and high output current capability
High efficiency, up to 95%, for energy-efficient power conversion
Compact DDPAK/TO-263-7 package for space-constrained designs
Thermal and current limiting protection for reliable operation
Simple design with minimal external components for cost-effective solutions