Texas Instruments

UCC28910D  

AC DC Converters, Offline Switches

UCC28910D Description

The UCC28910D from Texas Instruments is a high-performance offline switch IC designed for flyback topology applications. This surface-mount device integrates an internal 700V power MOSFET, enabling efficient power conversion with a switching frequency range of 420Hz to 115kHz. It operates from a 6.5V to 30V supply voltage, with a 9.5V startup voltage, making it suitable for a wide range of AC/DC converter designs. The UCC28910D delivers up to 9.5W of power and features isolated output, ensuring robust performance in demanding environments. Its ROHS3 compliance and REACH unaffected status further highlight its suitability for modern, eco-conscious designs.

UCC28910D Features

• Integrated 700V MOSFET: Eliminates the need for an external switch, reducing component count and PCB space.
• Wide Input Voltage Range (6.5V–30V): Supports flexible power supply designs.
• Comprehensive Protection: Includes current limiting, over-temperature, and over-voltage fault protection for enhanced reliability.
• High Efficiency: Optimized for flyback topologies, minimizing power losses.
• Compact 7-SOIC Package: Ideal for space-constrained applications.
• Low Startup Voltage (9.5V): Ensures quick and reliable power-up.

UCC28910D Applications

The UCC28910D is ideal for:

• Low-power AC/DC adapters for consumer electronics.
• Auxiliary power supplies in industrial systems.
• LED lighting drivers requiring isolated power conversion.
• Household appliances with stringent efficiency requirements.
• Battery chargers where compact size and reliability are critical.

Conclusion of UCC28910D

The UCC28910D stands out as a versatile and efficient solution for offline flyback converters, combining high integration, robust protection, and wide operational flexibility. Its 700V internal MOSFET and comprehensive fault protection make it a superior choice for designers seeking reliability in low-to-medium power applications. Whether for consumer electronics, industrial systems, or LED drivers, this IC delivers performance and durability in a compact form factor.

UCC28910D Documents

Download datasheets and manufacturer documentation for UCC28910D

Datasheets :

UCC28910, UCC28911 Datasheet      

Reference Design Library :

UCC28910FBEVM-526: 5V @ 1.2A, 85 ~ 265VAC in      

HTML Datasheet :

UCC28910, UCC28911 Datasheet      

PCN Design/Specification :

Design 25/Feb/2022       UCC28910/UCC28911 24/Feb/2017