LM2574HVM-ADJ/NOPB

The LM2574HVM-ADJ/NOPB is a versatile and efficient step-down (buck) voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable output voltage from a higher input voltage, making it ideal for various applications, including power management in consumer electronics, automotive systems, and industrial equipment.

Key Features:

1. Adjustable Output Voltage: The LM2574HVM-ADJ/NOPB allows for an adjustable output voltage ranging from 1.23V to 37V, providing flexibility for different applications. This is achieved through the use of external resistors to set the desired output voltage.

2. High Efficiency: With a typical efficiency of up to 90%, this regulator minimizes power loss and heat generation, making it suitable for battery-powered devices and applications where thermal management is critical.

3. Wide Input Voltage Range: The device can operate with an input voltage range of 4.75V to 40V, accommodating a variety of power sources, including batteries and unregulated power supplies.

4. Output Current Capability: The LM2574HVM-ADJ/NOPB can deliver up to 1A of output current, making it suitable for powering a range of loads, from microcontrollers to larger peripherals.

5. Integrated Protection Features: The regulator includes built-in features such as thermal shutdown and current limiting, which protect the device and the load from damage due to overheating or excessive current draw.

6. Simple Design: The LM2574HVM-ADJ/NOPB is designed for ease of use, requiring minimal external components for operation. This simplifies the design process and reduces the overall footprint of the circuit.

7. Package Type: The device is available in a TO-220 package, which provides good thermal performance and is easy to handle during assembly.

8. Operating Temperature Range: The LM2574HVM-ADJ/NOPB is rated for operation in a temperature range of -40°C to +125°C, making it suitable for use in harsh environments.

Applications:

• Power supplies for microcontrollers and digital signal processors
• Automotive power management systems
• Battery chargers and management systems
• Industrial automation and control systems
• LED drivers and lighting applications

Conclusion:

The LM2574HVM-ADJ/NOPB from Texas Instruments is a robust and efficient adjustable step-down voltage regulator that offers a combination of high performance, flexibility, and ease of use. Its wide input voltage range, adjustable output, and integrated protection features make it an excellent choice for a variety of applications in both consumer and industrial markets.