Texas Instruments

UCC3809PWTR-1  

AC DC Converters, Offline Switches

UCC3809PWTR-1 Description

The UCC3809PWTR-1 is an offline switcher controller designed for multiple topologies including Boost, Buck, Flyback, and Forward converters. Manufactured by Texas Instruments, this device is housed in an 8-pin TSSOP package and is suitable for surface mount applications. Despite being marked as obsolete, the UCC3809PWTR-1 remains a reliable choice for power management applications due to its robust feature set and performance capabilities.

UCC3809PWTR-1 Features

• Topology Versatility: Supports Boost, Buck, Flyback, and Forward topologies, making it highly adaptable for various power conversion needs.
• Frequency Control: Offers a switching frequency of up to 1MHz, enabling high efficiency and compact designs.
• Soft Start Capability: Ensures a smooth startup process, reducing inrush currents and protecting the circuit from potential damage.
• Wide Supply Voltage Range: Operates within an 8V to 19V supply voltage range, providing flexibility in power supply options.
• High Duty Cycle: Capable of a 70% duty cycle, which is beneficial for applications requiring high output voltage levels.
• Output Isolation: Provides isolated output, enhancing safety and reliability in applications where galvanic isolation is necessary.
• Compliance and Safety: Complies with REACH and ROHS3 standards, ensuring environmental and safety standards are met. The device also has a Moisture Sensitivity Level (MSL) of 2 (1 Year), suitable for extended storage and handling.
• Startup Voltage: Requires a startup voltage of 15V, ensuring reliable operation under various input conditions.

UCC3809PWTR-1 Applications

The UCC3809PWTR-1 is ideal for a variety of power management applications, particularly where high efficiency and compact design are critical. Some specific use cases include:

• Adaptive Voltage Scaling: Suitable for systems requiring dynamic voltage adjustments to optimize power consumption.
• DC-DC Converters: Ideal for applications needing efficient power conversion from one DC voltage level to another.
• Power Supplies: Can be used in isolated power supplies for medical, industrial, and telecommunications equipment.
• Battery Chargers: Effective in designing battery charging circuits that require precise voltage and current control.
• Solar Inverters: Useful in solar power applications where high efficiency and reliability are paramount.

Conclusion of UCC3809PWTR-1

The UCC3809PWTR-1, despite its obsolete status, remains a valuable component in the power management domain. Its versatility in supporting multiple topologies, combined with features like high switching frequency, soft start, and wide supply voltage range, make it a robust choice for various applications. The device's compliance with environmental and safety standards further enhances its appeal. For engineers and designers seeking a reliable and efficient power management solution, the UCC3809PWTR-1 offers a comprehensive set of features that can meet the demands of modern electronic systems.

UCC3809PWTR-1 Documents

Download datasheets and manufacturer documentation for UCC3809PWTR-1

Datasheets :

UCC1809-1/-2, UCC2809-1/-2, UCC3809-1/-2      

HTML Datasheet :

UCC1809-1/-2, UCC2809-1/-2, UCC3809-1/-2