LM2591HVS-5.0/NOPB

The LM2591HVS-5.0/NOPB is a high-efficiency step-down (buck) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 5.0V from a higher input voltage, making it suitable for a variety of applications, including power management in industrial, automotive, and consumer electronics.

Key Features:

1. Input Voltage Range: The LM2591HVS-5.0/NOPB can accept a wide input voltage range, typically from 4.5V to 60V, allowing it to be used in systems powered by various voltage sources.

2. Output Voltage: The device provides a fixed output voltage of 5.0V, which is ideal for powering microcontrollers, sensors, and other digital devices that require a stable supply.

3. Output Current: It can deliver up to 1.0A of output current, making it suitable for applications that require moderate power levels.

4. High Efficiency: The LM2591HVS-5.0/NOPB features a high efficiency of up to 90%, which helps to minimize heat generation and improve overall system reliability.

5. Integrated Switch: The regulator includes an integrated power switch, which simplifies the design and reduces the number of external components needed.

6. Thermal Protection: It is equipped with thermal shutdown protection, which prevents damage to the device in case of overheating.

7. Short-Circuit Protection: The device includes short-circuit protection, ensuring that it can handle fault conditions without sustaining damage.

8. Package Type: The LM2591HVS-5.0/NOPB is available in a compact TO-220 package, which facilitates easy mounting and heat dissipation.

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

10. Application Areas: Common applications include automotive power supplies, industrial automation, battery-powered devices, and any system requiring efficient voltage regulation.

Electrical Characteristics:

• Switching Frequency: The LM2591HVS-5.0/NOPB operates at a fixed switching frequency, which helps in reducing the size of external components like inductors and capacitors.
• Line Regulation: It offers good line regulation, ensuring that variations in input voltage do not significantly affect the output voltage.
• Load Regulation: The device maintains stable output voltage under varying load conditions, which is crucial for sensitive electronic components.

Conclusion:

The LM2591HVS-5.0/NOPB from Texas Instruments is a robust and efficient voltage regulator that provides a reliable solution for converting higher voltages to a stable 5.0V output. Its combination of high efficiency, integrated features, and protective mechanisms makes it an excellent choice for a wide range of applications in both consumer and industrial sectors.