The UCC2819DTR is a versatile and robust Power Factor Correction (PFC) controller IC designed by Texas Instruments to provide high-efficiency power conversion with improved power factor for a wide range of applications. This integrated circuit is specifically engineered to meet the stringent requirements of systems that demand low total harmonic distortion and high power factor.

Key Features

• Advanced Control Methodology: The UCC2819DTR employs average current mode control for precise and responsive PFC regulation, ensuring that the power factor is corrected to near unity under varying load conditions.
• Wide Operating Range: With an operating voltage range of 16V to 35V, this controller can adapt to various input voltages, making it suitable for universal AC input applications.
• Programmable Switching Frequency: Users can set the switching frequency anywhere from 16 kHz to 250 kHz, allowing optimization for efficiency, component size, and overall system cost.
• Flexible Packaging: The UCC2819DTR is available in a 16-pin SOIC package, offering a compact solution that is easy to integrate into a variety of designs.

Applications

The UCC2819DTR is ideal for AC-DC power supplies where power factor correction is essential. It is commonly used in systems such as:

• Offline power supplies
• Adapters for laptops and personal computers
• Telecommunication power systems
• Industrial power systems
• Lighting systems

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the UCC2819DTR is no exception. It is designed to meet the rigorous standards of industrial and consumer electronic products, ensuring reliable operation even under challenging conditions. With its advanced features and proven performance, the UCC2819DTR from Texas Instruments is an excellent choice for designers looking to enhance the efficiency and power quality of their power supply systems.