Manufacturer Part Number
LM2677SX-5.0
Manufacturer
Texas Instruments
Introduction
The LM2677SX-5.0 is part of Texas Instruments' SIMPLE SWITCHER® series, operating as a step-down (buck) voltage regulator.
Product Features and Performance
High-efficiency step-down voltage regulator
Fixed 5V output with a 5A current capacity
Input voltage range from 8V to 40V
260kHz switching frequency for balancing efficiency and component size
Thermal shutdown and current limit protection features
Non-synchronous rectification
Product Advantages
High output current capability of 5A
Wide input voltage range suitable for various applications
Built-in protection features enhance device reliability
Simplified design with minimal external components due to the SIMPLE SWITCHER® series concept
Key Technical Parameters
Voltage - Input (Min): 8V
Voltage - Input (Max): 40V
Voltage - Output (Min/Fixed): 5V
Current - Output: 5A
Frequency - Switching: 260kHz
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Thermal overload protection
Current limiting
Over-temperature shutdown
Compatibility
Compatible with surface-mount technology
Mounting Type: Surface Mount
Package / Case: TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Application Areas
Powering embedded systems
Telecommunications
Industrial controls and equipment
Consumer electronics
Automotive applications
Product Lifecycle
Product Status: Obsolete
End-of-life component with potential for limited availability
Several Key Reasons to Choose This Product
Strong support for applications requiring a high current output up to 5A
Ideal for systems with an input voltage range between 8V and 40V, ensuring versatility in different power environments
Simplified design helps to reduce overall system complexity and cost
A product of Texas Instruments, a reputable manufacturer known for reliable and quality components
Although obsolete, still sought after for proven performance in existing designs