Texas Instruments

UCC2808AD-1  

AC DC Converters, Offline Switches

UCC2808AD-1 Description

The UCC2808AD-1 from Texas Instruments is a high-performance offline switch controller designed for AC/DC converter applications. Packaged in an 8-SOIC tube, this surface-mount IC operates with a 1MHz switching frequency, enabling compact and efficient power supply designs. It supports an input voltage range of 8.3V to 15V, with a 12.5V startup voltage, making it suitable for a variety of offline power conversion tasks. The device features frequency control for precise regulation and offers 49% duty cycle operation, ensuring stable performance in isolated topologies. Compliant with ROHS3 and REACH standards, it is ideal for environmentally conscious designs.

UCC2808AD-1 Features

• 1MHz Switching Frequency: Enables high-efficiency, space-saving designs.
• Wide Supply Range (8.3V–15V): Supports flexible input configurations.
• Frequency Control: Enhances regulation accuracy and noise immunity.
• 49% Duty Cycle: Optimizes power delivery in isolated converters.
• 12.5V Startup Voltage: Ensures reliable operation under varying conditions.
• Surface-Mount 8-SOIC Package: Facilitates compact PCB layouts.
• ROHS3 & REACH Compliant: Meets stringent environmental standards.
• No Internal Switch: Allows for external MOSFET/transistor flexibility.

UCC2808AD-1 Applications

The UCC2808AD-1 excels in offline power supplies, isolated DC/DC converters, and LED drivers, where high-frequency operation and precise control are critical. Its frequency control capability makes it ideal for noise-sensitive applications, such as medical devices and industrial automation systems. Additionally, the wide supply range suits battery-powered systems and adapter-based designs. Engineers favor this IC for its reliability in harsh environments and its ability to simplify high-efficiency power conversion in consumer electronics, telecom infrastructure, and renewable energy systems.

Conclusion of UCC2808AD-1

The UCC2808AD-1 stands out as a versatile, high-frequency offline switch controller, offering superior performance in compact, isolated power designs. Its wide input range, precise frequency control, and compliance with environmental standards make it a preferred choice for demanding applications. Whether used in industrial, medical, or consumer electronics, this IC delivers efficiency, reliability, and design flexibility, solidifying its position as a top-tier solution for modern power conversion challenges.

UCC2808AD-1 Documents

Download datasheets and manufacturer documentation for UCC2808AD-1

Datasheets :

UCC2808A-(1,2), UCC3808A-(1,2) Datasheet      

HTML Datasheet :

UCC2808A-(1,2), UCC3808A-(1,2) Datasheet      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018