LM2647LQX

The LM2647LQX from Texas Instruments is a high-efficiency synchronous buck regulator with integrated MOSFETs designed for a wide range of applications requiring a regulated output voltage. 

Key Features:

1. High Efficiency: The LM2647LQX utilizes synchronous rectification to achieve high efficiency across a wide load range. This feature minimizes power losses and maximizes energy efficiency in various applications, helping to extend battery life and reduce system heating.
2. Wide Input Voltage Range: It supports a wide input voltage range, typically from 4.5V to 60V, making it suitable for various input sources, including automotive, industrial, and battery-powered systems. This wide input voltage range enhances the regulator's versatility and applicability in different scenarios.
3. Adjustable Output Voltage: The output voltage of the LM2647LQX can be adjusted using external resistors, allowing flexibility to set the desired output voltage according to the application requirements.
4. Integrated MOSFETs: This regulator integrates both high-side and low-side MOSFETs, simplifying the design and layout of the circuit while reducing external component count. The integrated MOSFETs also contribute to improved efficiency and reliability.
5. Fixed Frequency Operation: It operates at a fixed switching frequency, typically in the range of hundreds of kilohertz to a few megahertz, ensuring predictable performance and ease of filtering in applications where EMI (Electromagnetic Interference) compliance is crucial.
6. Current Mode Control: The LM2647LQX features current mode control, which provides fast transient response and excellent loop stability across a wide range of operating conditions. This control scheme ensures reliable regulation of the output voltage under varying load conditions.
7. Protection Features: The regulator includes various protection features such as thermal shutdown, overcurrent protection, input undervoltage lockout, and output overvoltage protection. These features help safeguard the regulator and downstream components against fault conditions, enhancing system reliability and longevity.

Applications:

• Automotive electronics
• Industrial power supplies
• Telecommunications equipment
• Battery charging systems
• LED lighting
• Distributed power systems
• Point-of-load (POL) regulation

The LM2647LQX synchronous buck regulator from Texas Instruments offers high efficiency, wide input voltage range, adjustable output voltage, integrated MOSFETs, and comprehensive protection features, making it an ideal choice for a variety of power management applications. Its compact package and robust performance make it well-suited for both space-constrained and demanding environments.