Product Overview: Texas Instruments UCC28910DR

The UCC28910DR is a high-performance, off-line flyback switcher from Texas Instruments, designed for efficient power conversion and management in a wide range of applications. This integrated circuit is part of the UCC289xx family and is notable for its ability to provide precise output control without the need for an optical coupler, thanks to its advanced primary-side regulation (PSR) technique.

Key Features

• Wide Input Voltage Range: The UCC28910DR operates over a broad input voltage spectrum, making it suitable for universal input applications.
• Primary-Side Regulation: Eliminates the need for an optocoupler by utilizing PSR, which simplifies the design and enhances reliability.
• High Efficiency: It is designed to achieve high efficiency across a wide load range, reducing energy consumption and heat generation.
• Low Standby Power: The device ensures ultra-low standby power, making it ideal for energy-sensitive applications.
• Adjustable Output Voltage: Offers flexibility in design with an externally adjustable output voltage setting.
• Comprehensive Protection Features: Includes overcurrent, overvoltage, and thermal shutdown protections to ensure safe operation under abnormal conditions.

Applications

The UCC28910DR is a versatile power solution that can be used in a variety of applications, including but not limited to:

• AC-to-DC power supplies
• LED lighting drivers
• Standby and auxiliary power supplies
• Home appliances
• Smart meters

Technical Specifications

The device comes in a compact SOIC-7 package and is characterized by several technical specifications that make it a robust choice for power conversion needs:

• Voltage Range: 85 VAC to 265 VAC
• Switching Frequency: Adjustable up to 100 kHz
• Output Power: Capable of delivering up to 12 W in open frame design
• Operating Temperature: -40°C to 125°C

With the UCC28910DR, Texas Instruments continues to set the standard in power management technology, providing engineers with a reliable and efficient solution for their power supply designs.