The LM2672N-5.0 from Texas Instruments is a highly efficient, monolithic integrated circuit that serves as a step-down (buck) voltage regulator. Capable of driving a 1A load with excellent line and load regulation, this regulator is an ideal choice for a wide range of applications requiring a fixed 5V output voltage.

Key Features

• Output Voltage: 5V fixed output with high precision.
• Output Current: Capable of delivering up to 1A of continuous current.
• Efficiency: Switching technology ensures high efficiency over a wide range of load conditions.
• Switching Frequency: 260kHz fixed frequency internal oscillator.
• Thermal Shutdown: Built-in thermal shutdown feature provides protection against overheating.
• Voltage Regulation: Excellent line and load regulation performance.
• Package: Housed in a standard 8-pin PDIP package.

Applications

The LM2672N-5.0 is versatile and can be used in various applications, including:

• Simple high-efficiency step-down (buck) regulators.
• Efficient pre-regulators for linear regulators.
• On-card switching regulators for elimination of noise and distribution problems associated with single-point regulation.

Advantages

This regulator integrates a number of features that make it a robust and convenient choice for designers:

• The use of a simple external LC filter with the device's fixed switching frequency allows for easy design and predictable performance.
• Its thermal shutdown and current limit protection enhance the safety and longevity of the product.
• With its high efficiency, the LM2672N-5.0 reduces power loss and heat, making it suitable for compact, space-constrained applications.

For detailed specifications, application notes, and additional resources, please refer to the official Texas Instruments datasheet for the LM2672N-5.0 switching regulator.