The UCC28631DR is a highly integrated Power Factor Correction (PFC) controller IC from Texas Instruments, designed to meet the needs of modern power supply units with improved power efficiency and reduced harmonic distortion. This advanced controller is suitable for a range of applications, including but not limited to switch-mode power supplies, LED drivers, and power adapters.

Key Features

• High-Efficiency PFC Control: The UCC28631DR employs advanced control techniques to ensure high power factor and low Total Harmonic Distortion (THD) across a wide load range, which is crucial for energy-saving and compliance with international power standards.
• Wide Operating Range: This controller operates over a wide input voltage range, accommodating various global power standards and making it versatile for use in multiple regions without the need for significant modifications.
• Green-Mode Operation: With its green-mode feature, the UCC28631DR reduces power consumption at light loads, leading to energy savings and a reduction in standby power losses.
• Protection Features: It includes a comprehensive suite of protection features such as over-voltage, under-voltage, over-current, and over-temperature protections, ensuring the longevity and reliability of the power supply.
• Soft Start Capability: The soft-start function minimizes inrush current during startup, which is beneficial for the longevity of the device and the stability of the power system.

Applications

The UCC28631DR is ideal for applications that require efficient power conversion with a high power factor, such as:

• AC-DC power supplies for consumer electronics
• Power adapters for laptops and mobile devices
• LED lighting systems
• Telecom power systems
• Industrial power supplies

Package and Availability

The UCC28631DR comes in a compact SOIC-8 (Small Outline Integrated Circuit) package, making it suitable for space-constrained applications. It is available for order through Texas Instruments' distribution network, ensuring easy access for designers and manufacturers.