LM2611AMFX/NOPB

The LM2611AMFX/NOPB is a high-performance, step-up (boost) DC-DC converter manufactured by Texas Instruments. It is designed to provide a compact and efficient solution for applications requiring a higher output voltage from a lower input voltage source. Here’s a detailed description of its features and specifications:

Key Features:

1. Input Voltage Range: The LM2611AMFX/NOPB operates with an input voltage range typically from 2.5V to 12V, making it suitable for a variety of battery-powered applications.

2. Output Voltage: The device can generate output voltages up to 28V, which is ideal for powering devices that require higher voltage levels.

3. Output Current: It can deliver output currents up to 1A, providing sufficient power for many applications.

4. Efficiency: The LM2611AMFX/NOPB boasts high efficiency, often exceeding 85%, which helps to extend battery life in portable applications.

5. Switching Frequency: The device operates at a fixed switching frequency of 1.2 MHz, allowing for smaller external components and a more compact design.

6. Integrated Features: It includes an internal power switch, which reduces the need for external components and simplifies the design process.

7. Protection Features: The LM2611AMFX/NOPB is equipped with several protection features, including:

   • Overcurrent protection
   • Thermal shutdown
   • Under-voltage lockout (UVLO)

8. Package Type: The device is available in a small, thermally enhanced 8-pin HTSSOP (Thin Shrink Small Outline Package) package, which is suitable for space-constrained applications.

9. Applications: Common applications include:

   • Battery-powered devices
   • Portable electronics
   • LED drivers
   • Power supplies for RF applications
   • Automotive electronics

Electrical Characteristics:

• Quiescent Current: The quiescent current is low, which is beneficial for battery-operated devices, as it minimizes power consumption when the device is not actively switching.
• Load Regulation: The LM2611AMFX/NOPB provides good load regulation, ensuring stable output voltage under varying load conditions.

Design Considerations:

When designing with the LM2611AMFX/NOPB, engineers should consider the selection of external components such as inductors and capacitors to optimize performance. The datasheet provides detailed guidelines for component selection, layout recommendations, and typical application circuits.

Conclusion:

The LM2611AMFX/NOPB from Texas Instruments is a versatile and efficient boost converter that is well-suited for a wide range of applications requiring higher output voltages from lower input sources. Its compact size, integrated features, and robust protection mechanisms make it an excellent choice for modern electronic designs.