Product Overview: Texas Instruments UCC2817DTR

The UCC2817DTR from Texas Instruments is a sophisticated Power Factor Correction (PFC) controller integrated circuit designed to optimize power supply systems. This device is particularly engineered to enhance the power factor of AC-DC power converters, making it an ideal choice for applications that require high efficiency and reliability, such as industrial systems, telecommunication equipment, and consumer electronics.

Key Features

• High Performance: The UCC2817DTR offers an average current mode control, which provides superior performance in reducing total harmonic distortion (THD) and correcting the power factor close to unity.
• Versatility: It operates over a wide range of input voltages and frequencies, making it versatile for various global power standards.
• Integration: The integration of features such as soft-start, programmable output voltage, and peak current limit reduce the need for external components, simplifying design and reducing overall system cost.
• Protection: The device includes multiple protection features like over-voltage, under-voltage lockout, and over-current protection, ensuring safe operation under abnormal conditions.

Applications

The UCC2817DTR is suitable for a wide range of applications, including:

• AC-DC power supplies
• Power adapters for notebooks and desktops
• Telecommunication power systems
• Industrial power equipment

Product Specifications

Some of the technical specifications of the UCC2817DTR include:

• Package Type: Surface-Mount TSSOP-16
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 10.5 V to 20 V
• Switching Frequency: Up to 500 kHz

Ordering Information

The UCC2817DTR is available in tape and reel packaging, facilitating easy assembly during the manufacturing process. Its part number reflects the package type and the packaging method, ensuring that you receive the correct version of the product for your needs.

Conclusion

Overall, the UCC2817DTR PFC controller from Texas Instruments stands out for its ability to deliver high efficiency, flexibility, and reliability, making it a go-to choice for designers looking to improve power factor and reduce energy consumption in their power supply designs.