The UCC2817APWR is a sophisticated Power Factor Correction (PFC) pre-regulator integrated circuit designed and manufactured by Texas Instruments. This advanced IC is engineered to enhance power efficiency and reduce energy loss in a wide range of applications, such as switch-mode power supplies, lighting control systems, and industrial power control circuits.

Key Features

• Programmable Switching Frequency: The UCC2817APWR allows for a flexible switching frequency that can be programmed from 16 kHz to 250 kHz, enabling designers to optimize their system for efficiency or component size.
• Low Start-Up Current: This IC features a low start-up current of typically 100 µA, which minimizes standby power consumption, a critical parameter for energy-saving applications.
• Advanced Current Control: With its average current mode control, the UCC2817APWR provides accurate power factor correction, low THD (Total Harmonic Distortion), and improved noise immunity.
• High Power Factor: It is capable of achieving a power factor close to unity, which is essential for meeting regulatory standards and reducing power system losses.
• Soft Start Functionality: The integrated soft-start feature reduces stress on the power supply during start-up, extending the longevity of the system.

Applications

• AC-DC Power Supplies
• Power Adapters for Desktops and Laptops
• LED Lighting Systems
• Telecommunication Equipment
• Industrial Power Systems

Package and Quality

The UCC2817APWR comes in a TSSOP-16 (Thin Shrink Small Outline Package) which is ideal for space-constrained applications. The package is designed for optimal thermal performance and reliability. Texas Instruments' commitment to quality ensures that this IC meets the stringent industry standards for performance and durability.

Support and Resources

Designers and engineers can access a wealth of support resources provided by Texas Instruments, including datasheets, application notes, and design tools. This ensures smooth integration of the UCC2817APWR into their projects, backed by TI's renowned customer support.