LM2675MX-12/NOPB

The LM2675MX-12/NOPB is a step-down (buck) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 12V from a higher input voltage, making it suitable for various applications in power management.

Key Features:

1. Output Voltage: The LM2675MX-12/NOPB specifically outputs a fixed voltage of 12V, which is ideal for powering devices that require a consistent voltage supply.

2. Input Voltage Range: The device can accept a wide input voltage range, typically from 8V to 40V, allowing it to be used in various applications where the input voltage may vary.

3. Output Current: It is capable of delivering up to 1A of output current, making it suitable for powering moderate loads.

4. Efficiency: The LM2675 is designed for high efficiency, often exceeding 80% under typical operating conditions. This efficiency helps to minimize heat generation and improve overall system reliability.

5. Switching Frequency: The regulator operates at a fixed switching frequency of 260 kHz, which helps to reduce the size of external components such as inductors and capacitors.

6. Thermal Protection: The device includes thermal shutdown features to protect against overheating, ensuring safe operation under various load conditions.

7. Package Type: The LM2675MX-12/NOPB is available in a surface-mount package (TO-220), which facilitates easy integration into compact circuit designs.

8. Integrated Features: It includes built-in features such as a soft-start function to limit inrush current during startup, and a current limit to protect against overcurrent conditions.

9. Applications: This voltage regulator is suitable for a variety of applications, including:

   • Power supplies for consumer electronics
   • Automotive applications
   • Industrial equipment
   • Telecommunications devices

10. Environmental Considerations: The "NOPB" designation indicates that the part is lead-free, making it compliant with RoHS standards and suitable for environmentally conscious designs.

Electrical Characteristics:

• Input Voltage Range: 8V to 40V
• Output Voltage: 12V (fixed)
• Output Current: Up to 1A
• Switching Frequency: 260 kHz
• Efficiency: Typically > 80%
• Thermal Shutdown: Yes
• Soft Start: Yes

Conclusion:

The LM2675MX-12/NOPB from Texas Instruments is a versatile and efficient buck regulator that provides a reliable 12V output for various applications. Its combination of high efficiency, thermal protection, and ease of integration makes it a popular choice for designers looking to implement effective power management solutions in their electronic systems.