LM2735XQMFX/NOPB

The LM2735XQMFX/NOPB is a high-performance, step-up (boost) DC-DC converter designed by Texas Instruments. It is particularly well-suited for applications requiring a compact power supply solution with high efficiency and low output ripple. Below is a detailed description of its key features and specifications:

General Overview:

• Type: Step-Up (Boost) DC-DC Converter
• Manufacturer: Texas Instruments
• Package: 10-pin VSON (Very Thin No-lead) package, which allows for a compact design and efficient thermal management.

Key Features:

1. Input Voltage Range: The LM2735X supports a wide input voltage range, typically from 2.5V to 5.5V, making it suitable for battery-powered applications.

2. Output Voltage: The device can generate output voltages up to 28V, which is ideal for powering high-voltage devices from lower voltage sources.

3. Output Current: It can deliver up to 1A of output current, providing sufficient power for various applications.

4. Efficiency: The LM2735X is designed for high efficiency, often exceeding 90%, which 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 and reduces the size of the overall circuit.

6. Control Method: It employs a current-mode control scheme, which enhances stability and transient response.

7. Protection Features: The LM2735X includes several built-in protection features such as:

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

8. Soft Start: The device features a soft-start function to limit inrush current during startup, which helps to prevent voltage overshoot and reduces stress on the components.

9. External Component Requirements: The LM2735X requires minimal external components, which simplifies the design process and reduces the overall footprint of the circuit.

Applications:

The LM2735XQMFX/NOPB is suitable for a variety of applications, including:

• Battery-powered devices
• Portable electronics
• LED drivers
• RF power amplifiers
• Power management systems

Electrical Characteristics:

• Operating Temperature Range: Typically from -40°C to +125°C, making it suitable for industrial and automotive applications.
• Quiescent Current: Low quiescent current helps to improve efficiency in low-power applications.

Conclusion:

The LM2735XQMFX/NOPB from Texas Instruments is a versatile and efficient boost converter that meets the demands of modern electronic designs. Its combination of high efficiency, compact size, and robust protection features makes it an excellent choice for a wide range of applications, particularly in battery-operated devices where space and power efficiency are critical.