Manufacturer Part Number
LM2678T-5.0
Manufacturer
Texas Instruments
Introduction
The LM2678T-5.0 is a high-efficiency, step-down DC/DC switching regulator from Texas Instruments' SIMPLE SWITCHER® series, designed to output a fixed 5V from a broader input voltage range.
Product Features and Performance
High-efficiency voltage regulator
Step-down (buck) topology
Single fixed 5V output
Simple external components required
TJ Operating Temperature range from -40°C to 125°C
Supports a wide range of input voltages (8V to 40V)
Product Advantages
Reduced design complexity due to the SIMPLE SWITCHER® design
Stable performance with minimal external components
Thermally efficient TO-220 package
High output current capability up to 5A
Built-in protection features enhancing device longevity
Key Technical Parameters
Input Voltage Min/Max: 8V to 40V
Output Voltage: 5V Fixed
Current - Output: 5A
Frequency - Switching: 260kHz
Mounting Type: Through Hole
Temperature Range: -40°C to 125°C
Package/Case: TO-220-7 Formed Leads
Quality and Safety Features
Over-temperature protection
Built-in safety features for stable operation
Compatibility
Suitable for a broad range of power management applications with accordance to the input/output specifications
Application Areas
Consumer electronics
Computer systems
Telecommunications
Automotive applications
Industrial equipment
Product Lifecycle
Last Time Buy status - approaching discontinuation, verify for replacement models or upgrades
Several Key Reasons to Choose This Product
Robust build from a reputable manufacturer, ensuring long-term reliability
Versatility in application due to a wide input voltage range and significant output current
High efficiency and low quiescent current enhance battery life in portable applications
Ease of use as part of the SIMPLE SWITCHER® series, reducing design effort and time to market
Reliable performance in a wide range of operating temperatures
Suitable for multiple markets and applications thanks to its generic 5V output