Product Overview: UCC3817D BiCMOS Power Factor Preregulator

The UCC3817D is a sophisticated power factor correction (PFC) device manufactured by Texas Instruments, designed to enhance the power factor of AC-DC power systems. This advanced component is a critical part of creating more efficient and reliable power supplies by minimizing the phase difference between the current and voltage, thus reducing the reactive power in the system.

Key Features

• High Performance: The UCC3817D integrates advanced BiCMOS technology, offering a high-performance solution for power factor correction with minimal power loss.
• Wide Operating Range: It operates over a wide supply voltage range, making it suitable for a variety of applications across different power levels.
• Low Power Dissipation: The device features low startup and operating currents, which contribute to reduced power dissipation and improved energy efficiency.
• Flexible Application: It is designed to be used in both continuous and discontinuous conduction modes, providing flexibility for different design requirements.
• Enhanced Control: The UCC3817D includes features such as overvoltage protection, under-voltage lockout, and programmable soft start, offering enhanced control and protection for your power system.

Applications

The UCC3817D is suitable for a wide range of applications where power factor correction is required. It is commonly used in:

• AC-DC power supplies for personal computers
• Industrial power systems
• Power supplies for servers and telecom equipment
• Consumer electronics
• Lighting systems with electronic ballasts

Technical Specifications

With its precision voltage reference and error amplifier, the UCC3817D ensures accurate control of the power factor across different load conditions. The device is packaged in a compact SOIC-16, making it easy to integrate into various circuit designs.

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the UCC3817D is no exception. It is designed to meet stringent industry standards, ensuring long-term performance and stability in your power management solutions.

To learn more about the UCC3817D and how it can improve your power supply design, visit the Texas Instruments website for detailed datasheets, application notes, and design resources.