Manufacturer Part Number
LM2673SD-3.3
Manufacturer
Texas Instruments
Introduction
The LM2673SD-3.3 is a part of the SIMPLE SWITCHER® series from Texas Instruments, designed specifically for step-down (buck) voltage regulation. It offers a fixed output voltage configuration.
Product Features and Performance
Step-down (Buck) regulator topology
Fixed output configuration with a 3.3V output voltage
Capable of driving a 3A load with excellent line and load regulation
Input voltage range from 8V to 40V
Switching frequency at 260kHz
Operates over a wide temperature range of -40°C to 125°C
Non-synchronous rectification
Product Advantages
High efficiency over a wide range of input voltages
Simple external components for design flexibility
Thermal shutdown and current limit for added safety
Compact 14-VDFN Exposed Pad package saves space on PCB
Key Technical Parameters
Voltage Input (Min): 8V
Voltage Input (Max): 40V
Voltage Output (Min/Fixed): 3.3V
Current Output: 3A
Frequency Switching: 260kHz
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Built-in thermal shutdown
Current limiting feature
High reliability and long-life design
Compatibility
Applicable for a wide range of electronic devices requiring 3.3V
Application Areas
Industrial controls
Consumer electronics
Power management solutions
Product Lifecycle
The product status is Obsolete, indicating it is nearing discontinuation with limited availability
Potential replacements or upgrades may be available in the SIMPLE SWITCHER® series
Several Key Reasons to Choose This Product
Reliable performance from a reputable manufacturer, Texas Instruments
High efficiency step-down voltage regulation suitable for a variety of applications
Simple design requirements enable quick and efficient prototyping
Built-in safety features ensure product longevity and reliability
Suitable for diverse electronic applications due to broad input voltage range and compact form factor