Manufacturer Part Number
LM2677T-5.0
Manufacturer
Texas Instruments
Introduction
High efficiency step-down voltage regulator from SIMPLE SWITCHER® series designed for power management applications
Product Features and Performance
Step-down (Buck) regulator topology
Fixed 5V output voltage from a wider input range of 8V to 40V
Capable of delivering 5A output current
Switching frequency of 260kHz
Non-synchronous rectification
Operating temperature range from -40°C to 125°C
Through-hole mounting type for easy PCB integration
Encased in a TO-220-7 Formed Leads package
Product Advantages
Simple external components required
Minimal design effort for fast time-to-market
High efficiency power conversion for thermal management
Robust performance in a wide range of operating temperatures
Over temperature and overcurrent protection for device safety
Key Technical Parameters
Input Voltage (Min): 8V
Input Voltage (Max): 40V
Output Voltage (Min/Fixed): 5V
Current - Output: 5A
Frequency - Switching: 260kHz
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Through Hole
Package / Case: TO-220-7 Formed Leads
Quality and Safety Features
Built-in thermal shutdown
Current limit protection
Safe area protection
Compatibility
Compatible with a wide range of input voltages
Designed for general-purpose power regulation across various applications
Application Areas
Consumer electronics
Telecommunications
Server and networking equipment
Industrial control systems
Automotive electronics
Product Lifecycle
Product Status: Obsolete
Potential for very limited availability
Seek replacements or upgrades for future designs
Several Key Reasons to Choose This Product
High integration reducing external component count
Industry-leading performance from Texas Instruments
Reliable operation in extreme temperature environments
Maximized power efficiency for energy-sensitive designs
Proven technology with SIMPLE SWITCHER® reputation
Ideal for rapid prototyping and low to medium volume production
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