UCC28600TDRQ1

The UCC28600TDRQ1 is a highly integrated, high-performance, primary-side controller designed for use in power supply applications, particularly in isolated and non-isolated flyback converters. Manufactured by Texas Instruments, this device is part of the UCC28600 family, which is known for its efficiency and ease of use in designing power supplies.

Key Features:

1. Primary-Side Control: The UCC28600 utilizes primary-side regulation, which eliminates the need for an opto-isolator and secondary feedback circuitry, simplifying the design and reducing component count.

2. High Efficiency: The controller is designed to achieve high efficiency across a wide load range, making it suitable for applications where energy savings are critical. It typically operates with efficiencies greater than 85%.

3. Wide Input Voltage Range: The UCC28600 supports a wide input voltage range, typically from 85V to 265V AC, making it suitable for universal input applications.

4. Low Standby Power: The device features a low standby power consumption mode, which is essential for meeting energy efficiency standards such as Energy Star and ErP.

5. Integrated Functions: The UCC28600 includes several integrated functions such as:

   • Soft Start: To minimize inrush current and provide a smooth startup.
   • Frequency Modulation: To reduce electromagnetic interference (EMI) by spreading the switching frequency.
   • Overvoltage Protection (OVP): To protect the output from overvoltage conditions.
   • Overcurrent Protection (OCP): To prevent damage due to excessive current.

6. Compact Package: The UCC28600 is available in a compact 8-pin SOIC package, which is ideal for space-constrained applications.

7. Programmable Features: The device allows for programmability of key parameters, enabling designers to tailor the performance to specific application requirements.

Applications:

The UCC28600TDRQ1 is suitable for a variety of applications, including:

• AC-DC power supplies for consumer electronics
• LED drivers
• Industrial power supplies
• Battery chargers
• Telecom power supplies

Electrical Characteristics:

• Operating Temperature Range: Typically from -40°C to +125°C, allowing for use in harsh environments.
• Switching Frequency: The device operates at a nominal switching frequency, which can be adjusted based on the application needs.

Conclusion:

The UCC28600TDRQ1 from Texas Instruments is a versatile and efficient primary-side controller that simplifies the design of power supplies while providing robust performance and protection features. Its combination of high efficiency, low standby power, and integrated protection mechanisms makes it an excellent choice for modern power supply designs.