Manufacturer Part Number
LM2677S-3.3
Manufacturer
Texas Instruments
Introduction
The LM2677 series are high efficiency, step-down DC-DC switching regulators.
Product Features and Performance
Integrated power switch
High efficiency up to 92%
Simple external components
Internal soft-start function
Product Advantages
Low EMI characteristics
Thermal shutdown and current limit protection
Key Technical Parameters
Step-Down (Buck) topology
Fixed 3.3V output
5A current output
Input voltage range 8V to 40V
260kHz switching frequency
Quality and Safety Features
Built-in over-temperature protection
Under Voltage Lock Out (UVLO)
Compatibility
Compatible with various input sources within voltage range
Suitable for standard surface mount process (TO-263 packaging)
Application Areas
Power supplies for digital systems
High-efficiency power conversions
Telecommunication equipment
Product Lifecycle
Product Status: Obsolete
Note on availability of replacements or upgrades
Several Key Reasons to Choose This Product
SIMPLE SWITCHER® series known for ease of use
High reliability and long operational life
Reduced component count for smaller system design
Low ripple and noise output, beneficial for sensitive electronics
Supports a wide range of operating temperatures for industrial applications