UCC28711D

The UCC28711D is a highly integrated, high-performance power management IC (integrated circuit) designed by Texas Instruments. It is primarily used in isolated flyback power supply applications, particularly for low to medium power levels. This device is part of the UCC287xx family, which is known for its efficiency and reliability in power conversion.

Key Features:

1. High Efficiency: The UCC28711D is designed to achieve high efficiency across a wide load range, making it suitable for applications where energy savings are critical. It employs advanced control techniques to minimize power losses.

2. Wide Input Voltage Range: The IC supports a broad input voltage range, typically from 85V to 265V AC, allowing it to be used in various global applications without the need for extensive modifications.

3. Integrated Control Functions: The UCC28711D includes built-in features such as primary-side regulation, which eliminates the need for an opto-isolator, simplifying the design and reducing component count. This feature also enhances reliability by minimizing the number of components that can fail.

4. Low Standby Power: The device is designed to operate with very low standby power consumption, making it ideal for applications that require compliance with energy efficiency standards, such as Energy Star.

5. Flexible Output Voltage: The UCC28711D can be configured to provide multiple output voltages, making it versatile for various applications, including chargers, adapters, and industrial power supplies.

6. Protection Features: The IC includes several built-in protection mechanisms, such as over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown, ensuring safe operation under fault conditions.

7. Compact Package: The UCC28711D is available in a compact, thermally efficient package, which helps save space on the PCB and allows for better thermal management.

8. Ease of Design: Texas Instruments provides extensive design resources, including evaluation modules, reference designs, and simulation tools, to facilitate the development process for engineers.

Applications:

The UCC28711D is suitable for a variety of applications, including:

• AC-DC power adapters
• Battery chargers
• Industrial power supplies
• LED drivers
• Telecom power supplies

Conclusion:

Overall, the UCC28711D from Texas Instruments is a robust and efficient solution for power management in isolated flyback converters. Its combination of high efficiency, integrated features, and protective mechanisms makes it an excellent choice for designers looking to create reliable and energy-efficient power supply solutions.