LM27313XMFX/NOPB

The LM27313XMFX/NOPB is a high-performance, step-up (boost) DC-DC converter from Texas Instruments, designed for applications requiring efficient power conversion. This device is particularly suitable for powering devices from low-voltage sources, such as single-cell lithium-ion batteries or other low-voltage power sources.

Key Features:

1. Input Voltage Range: The LM27313 operates over a wide input voltage range, typically from 2.5V to 5.5V, making it versatile for various battery-powered applications.

2. Output Voltage: It can boost the input voltage to a higher output voltage, which can be set to a specific level using external resistors. The output voltage can be adjusted up to 28V, allowing it to power a variety of devices.

3. Output Current: The device is capable of delivering a maximum output current of up to 1A, which is suitable for powering small to medium loads.

4. Efficiency: The LM27313 is designed for high efficiency, often exceeding 90% under typical operating conditions. This efficiency helps to extend battery life in portable applications.

5. Switching Frequency: The converter operates at a fixed switching frequency, typically around 1.2 MHz, which allows for the use of smaller external components, such as inductors and capacitors, thus saving board space.

6. Integrated Features: The LM27313 includes several integrated features such as:

   • Soft Start: This feature helps to limit inrush current during startup, preventing potential damage to the load and improving reliability.
   • Overcurrent Protection: The device includes built-in protection mechanisms to prevent damage due to excessive current draw.
   • Thermal Shutdown: This feature protects the device from overheating by shutting down the converter if the junction temperature exceeds a certain threshold.

7. Package: The LM27313XMFX/NOPB is available in a compact, thermally enhanced 10-pin VQFN (Very Thin Quad Flat No-lead) package, which is suitable for surface-mount applications. The small footprint makes it ideal for space-constrained designs.

8. Applications: This DC-DC converter is commonly used in portable electronics, battery-powered devices, LED drivers, and other applications where efficient voltage boosting is required.

Conclusion:

The LM27313XMFX/NOPB from Texas Instruments is a robust and efficient solution for applications needing a reliable boost converter. Its combination of high efficiency, adjustable output voltage, and integrated protection features make it an excellent choice for designers looking to optimize power management in their electronic devices.