LM2574HVN-ADJ/NOPB

The LM2574HVN-ADJ/NOPB is a high-performance, adjustable step-down (buck) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage from a higher input voltage, making it suitable for a variety of applications, including power management in consumer electronics, automotive systems, and industrial equipment.

Key Features:

1. Adjustable Output Voltage: The LM2574HVN-ADJ allows for an adjustable output voltage ranging from 1.23V to 37V, enabling flexibility in design to meet specific voltage requirements.

2. High Input Voltage Range: This regulator can operate with input voltages up to 60V, making it suitable for applications where the input voltage may vary significantly.

3. High Efficiency: The device is designed to achieve high efficiency, often exceeding 80%, which helps in reducing heat generation and improving overall system reliability.

4. Output Current Capability: The LM2574HVN-ADJ can deliver up to 1A of output current, making it capable of powering a wide range of loads.

5. Integrated Switching Transistor: The regulator includes an internal power switch, which simplifies the design and reduces the number of external components required.

6. Thermal Shutdown and Current Limiting: Built-in protection features such as thermal shutdown and current limiting help safeguard the device and the connected load from damage due to overheating or overcurrent conditions.

7. Simple Design: The LM2574HVN-ADJ is designed for ease of use, with a minimal number of external components needed for operation. This simplifies the PCB layout and reduces design time.

8. Wide Operating Temperature Range: The device operates effectively over a wide temperature range, typically from -40°C to +125°C, making it suitable for harsh environments.

9. Package Type: The LM2574HVN-ADJ is available in a TO-220 package, which provides good thermal performance and is easy to handle during assembly.

Applications:

• Power supplies for consumer electronics
• Automotive power management systems
• Industrial automation and control systems
• Battery-powered devices
• LED drivers

Conclusion:

The LM2574HVN-ADJ/NOPB from Texas Instruments is a versatile and efficient adjustable step-down voltage regulator that is well-suited for a variety of applications requiring reliable power management. Its combination of high input voltage capability, adjustable output, and built-in protection features makes it a popular choice among engineers and designers.