Texas Instruments

UC2879N  

AC DC Converters, Offline Switches

UC2879N Description

The UC2879N is a high-performance offline switcher IC designed for AC-DC conversion applications, manufactured by Texas Instruments. This device is housed in a 20-DIP package and is ideal for full-bridge configurations. It features a wide supply voltage range of 9.25V to 20V, making it suitable for various power supply designs. The UC2879N operates at a switching frequency of 300kHz, ensuring efficient power conversion with minimal size and weight.

UC2879N Features

• Control Features: The UC2879N incorporates frequency control, soft start, and synchronization capabilities. These features enhance the stability and reliability of the power supply, ensuring smooth operation during startup and under varying load conditions.
• Fault Protection: The device includes current limiting as a fault protection mechanism, safeguarding the power supply and connected components from potential damage due to overcurrent conditions.
• Mounting Type: The through-hole mounting type ensures robust mechanical stability and is well-suited for applications requiring high reliability and durability.
• Compliance and Status: The UC2879N is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and regulatory standards. It is classified under ECCN EAR99 and HTSUS 8542.39.0001.
• Duty Cycle: The UC2879N operates at a 50% duty cycle, providing balanced power delivery and efficient operation.
• Package: The device is packaged in a tube, which facilitates easy handling and storage during manufacturing processes.

UC2879N Applications

The UC2879N is ideal for a variety of applications requiring efficient AC-DC conversion. Its features make it particularly suitable for:

• Power Supplies: Ideal for designing compact and efficient power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adapters and Chargers: The UC2879N can be used in AC-DC adapters and chargers, providing reliable power conversion with minimal size and weight.
• Full-Bridge Configurations: The device is optimized for full-bridge topologies, making it a preferred choice for high-power applications where efficiency and performance are critical.

Conclusion of UC2879N

The UC2879N from Texas Instruments stands out as a versatile and reliable offline switcher IC for AC-DC conversion applications. Its comprehensive feature set, including frequency control, soft start, synchronization, and current limiting, ensures robust performance and protection. The UC2879N's wide supply voltage range, high switching frequency, and 50% duty cycle make it an excellent choice for a variety of power supply designs. Its compliance with REACH and ROHS3 standards further enhances its suitability for modern, environmentally conscious applications. Whether used in power supplies, adapters, or full-bridge configurations, the UC2879N delivers efficient, reliable power conversion, making it a valuable component in the electronics industry.

UC2879N Documents

Download datasheets and manufacturer documentation for UC2879N

PCN Assembly/Origin :

Assembly Site 05/Oct/2018      

Datasheets :

UC3879DWTR Datasheet      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023