Texas Instruments

UCC3889D  

AC DC Converters, Offline Switches

UCC3889D Description

The UCC3889D is a highly efficient offline switch designed for flyback topology applications, manufactured by Texas Instruments. This IC is specifically engineered to provide robust performance and reliability in AC-DC conversion systems. The UCC3889D operates within a temperature range of 0°C to 70°C, ensuring stable performance in various environmental conditions. It features a supply voltage range of 6.3V to 9.3V, making it suitable for a wide array of power supply designs. The device is housed in a surface-mount package, specifically an 8SOIC tube, which facilitates easy integration into compact and high-density PCB layouts. The UCC3889D is also REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.

UCC3889D Features

The UCC3889D offers several unique features that set it apart from similar models in the market. Key features include:

• Flyback Topology: The UCC3889D is designed specifically for flyback topology, which is ideal for applications requiring isolated outputs and high efficiency. This topology allows for a simple and cost-effective design while maintaining high performance.
• Short-Circuit Protection: The device incorporates built-in short-circuit protection, enhancing system reliability and preventing damage to the IC and connected components.
• Wide Operating Temperature Range: With an operating temperature range of 0°C to 70°C, the UCC3889D ensures consistent performance across a broad range of ambient conditions, making it suitable for both indoor and outdoor applications.
• Surface-Mount Packaging: The 8SOIC surface-mount package allows for easy integration into modern PCB designs, reducing the overall footprint and enabling high-density layouts.
• Compliance and Safety: The UCC3889D is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety regulations, which is crucial for global market compliance.

UCC3889D Applications

The UCC3889D is well-suited for a variety of applications where efficiency, reliability, and compact design are paramount. Specific use cases include:

• Power Supplies: Ideal for designing compact and efficient power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adapters and Chargers: Suitable for creating lightweight and high-efficiency adapters and chargers for portable devices, ensuring fast charging and minimal power loss.
• LED Lighting: The UCC3889D can be used in LED lighting systems to provide stable power with high efficiency, contributing to energy savings and longer operational life.
• Medical Devices: Given its reliability and compliance with safety standards, the UCC3889D is suitable for power supplies in medical devices where consistent performance and safety are critical.

Conclusion of UCC3889D

In summary, the UCC3889D from Texas Instruments is a versatile and reliable offline switch designed for flyback topology applications. Its wide operating temperature range, surface-mount packaging, and built-in short-circuit protection make it an excellent choice for a variety of applications, from power supplies to LED lighting systems. The UCC3889D's compliance with environmental and safety standards further enhances its appeal in the electronics industry. Whether for consumer electronics, industrial applications, or medical devices, the UCC3889D delivers high performance and reliability, making it a standout choice among offline switches.

UCC3889D Documents

Download datasheets and manufacturer documentation for UCC3889D

Datasheets :

UCC1889/2889/3889      

Other Related Documents :

Power Management Guide      

HTML Datasheet :

UCC1889/2889/3889      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Design 25/Feb/2022