LM2596T-5.0/NOPB

The LM2596T-5.0/NOPB is a step-down (buck) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 5.0V with a maximum output current of 3A. This device is particularly useful in applications where efficient power conversion is required, such as in battery-powered devices, power supplies, and various electronic circuits.

Key Features:

1. Input Voltage Range: The LM2596T-5.0/NOPB can accept a wide input voltage range from 4.5V to 40V, making it versatile for various power supply applications.

2. Output Voltage: The fixed output voltage is set at 5.0V, which is ideal for powering microcontrollers, sensors, and other 5V logic devices.

3. Efficiency: The regulator boasts high efficiency, often exceeding 75% under typical load conditions. This efficiency helps to minimize heat generation, which is crucial for maintaining performance and reliability in compact designs.

4. Thermal Protection: The LM2596T-5.0/NOPB includes built-in thermal shutdown protection, which prevents the device from overheating and potentially damaging itself or the connected components.

5. Current Limiting: It features current limiting to protect against overcurrent conditions, ensuring safe operation even under fault conditions.

6. Package Type: The device is available in a TO-263 package, which is a surface-mount type that allows for efficient thermal dissipation and is suitable for automated assembly processes.

7. Switching Frequency: The LM2596 operates at a fixed switching frequency of 150 kHz, which helps to reduce the size of external components such as inductors and capacitors.

8. Application Areas: This voltage regulator is commonly used in applications such as:

   • Power supplies for microcontrollers and digital circuits
   • Battery chargers
   • Automotive electronics
   • LED drivers
   • Industrial equipment

Electrical Characteristics:

• Output Current: Up to 3A
• Output Voltage Tolerance: Typically ±4%
• Line Regulation: Typically 0.2%/V
• Load Regulation: Typically 0.5%
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The LM2596T-5.0/NOPB from Texas Instruments is a robust and efficient voltage regulator that provides a reliable solution for converting higher input voltages to a stable 5V output. Its combination of high efficiency, thermal protection, and ease of use makes it a popular choice among engineers and designers for a wide range of electronic applications.