Texas Instruments

UCC2813D-4  

AC DC Converters, Offline Switches

UCC2813D-4 Description

The UCC2813D-4 is a highly integrated offline switch-mode controller designed for a variety of power conversion applications. Manufactured by Texas Instruments, this controller is part of the Power Management (PMIC) category and is known for its robust performance and versatility. The UCC2813D-4 is available in an 8SOIC package and is suitable for surface mount applications, making it ideal for compact and high-density designs.

This controller supports multiple topologies, including Boost, Flyback, and Forward, providing flexibility in power conversion design. It features an internal switch, simplifying the overall circuit design and reducing component count. The UCC2813D-4 operates with a switching frequency of up to 1MHz, ensuring high efficiency and fast transient response. The device is designed to start up at a voltage of 12.5V and can operate within a supply voltage range of 8.3V to 12V.

UCC2813D-4 Features

• Topology Support: The UCC2813D-4 supports Boost, Flyback, and Forward topologies, making it suitable for a wide range of power conversion applications.
• Internal Switch: The inclusion of an internal switch simplifies the design process and reduces the number of external components required.
• Frequency Control: With a switching frequency of up to 1MHz, the UCC2813D-4 ensures high efficiency and fast transient response, critical for modern power management applications.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 8.3V to 12V, providing flexibility in power supply design.
• High Start-Up Voltage: The UCC2813D-4 has a start-up voltage of 12.5V, ensuring reliable operation in various power supply conditions.
• Compliance and Safety: The UCC2813D-4 is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments without additional moisture protection.

UCC2813D-4 Applications

The UCC2813D-4 is ideal for a variety of applications where compact, efficient power conversion is required. Some specific use cases include:

• Adaptive Voltage Scaling: The UCC2813D-4 can be used in systems requiring dynamic voltage adjustment to optimize power consumption and performance.
• Power Factor Correction (PFC): The Boost topology support makes it suitable for PFC applications, ensuring compliance with energy efficiency standards.
• Isolated Power Supplies: The Flyback topology support enables the design of isolated power supplies, ideal for applications requiring galvanic isolation.
• High-Frequency Converters: The 1MHz switching frequency makes the UCC2813D-4 suitable for high-frequency power conversion applications, such as LED lighting and small form-factor power supplies.

Conclusion of UCC2813D-4

The UCC2813D-4 from Texas Instruments is a versatile and efficient offline switch-mode controller, offering a wide range of features and benefits for power management applications. Its support for multiple topologies, internal switch, and high switching frequency make it a standout choice for designers looking to optimize power conversion efficiency and reduce component count. The device's compliance with environmental and safety standards ensures it meets the requirements of modern electronics manufacturing. Whether used in adaptive voltage scaling, power factor correction, isolated power supplies, or high-frequency converters, the UCC2813D-4 provides reliable performance and design flexibility.

UCC2813D-4 Documents

Download datasheets and manufacturer documentation for UCC2813D-4

Datasheets :

UCC2813-x, UCC3813-x Datasheet      

Other Related Documents :

Power Management Guide      

HTML Datasheet :

UCC2813-x, UCC3813-x Datasheet      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Mult Dev DS Chg 6/Aug/2020