UCC28713DR

The UCC28713DR is a highly integrated, high-performance power management IC (integrated circuit) designed by Texas Instruments. It is primarily used in applications requiring efficient power conversion, such as power supplies for consumer electronics, industrial equipment, and LED drivers.

Key Features:

1. Topology: The UCC28713 operates as a flyback converter, which is a popular topology for isolated power supplies. This allows it to efficiently convert high-voltage AC input to low-voltage DC output.

2. Wide Input Voltage Range: It supports a wide input voltage range, typically from 85V to 265V AC, making it suitable for universal input applications.

3. Output Power: The device is capable of delivering output power levels up to 20W, making it ideal for low to medium power applications.

4. High Efficiency: The UCC28713 is designed for high efficiency, often exceeding 85% under typical operating conditions. This is crucial for reducing energy consumption and heat generation.

5. Quiescent Current: It features low quiescent current, which helps in achieving high efficiency during no-load or light-load conditions, thus improving overall energy savings.

6. Integrated Control Features: The IC includes built-in features such as:

   • Constant Voltage (CV) and Constant Current (CC) Control: This ensures stable output voltage and current regulation.
   • Frequency Modulation: It employs frequency modulation to minimize electromagnetic interference (EMI) and improve the overall performance of the power supply.

7. Protection Features: The UCC28713 includes several protection mechanisms, such as:

   • Overvoltage Protection (OVP): Prevents output voltage from exceeding safe levels.
   • Overcurrent Protection (OCP): Protects the circuit from excessive current draw.
   • Thermal Shutdown: Automatically disables the IC in case of overheating, ensuring reliability and safety.

8. Package: The UCC28713 is available in a compact, thermally enhanced 8-pin SOIC (Small Outline Integrated Circuit) package, which facilitates easy integration into various designs while minimizing board space.

9. Application Flexibility: It is suitable for a variety of applications, including:

   • AC-DC adapters
   • Battery chargers
   • Isolated power supplies for microcontrollers and sensors
   • LED lighting applications

Conclusion:

The UCC28713DR from Texas Instruments is a versatile and efficient power management solution that combines advanced features and robust performance in a compact package. Its ability to deliver reliable power conversion while maintaining high efficiency makes it an excellent choice for designers looking to optimize their power supply designs in a wide range of applications.