Texas Instruments

UCC3804DTR  

AC DC Converters, Offline Switches

UCC3804DTR Description

The UCC3804DTR is a versatile offline switch IC designed for a variety of power conversion applications. Manufactured by Texas Instruments, this device is part of the AC-DC Converters and Offline Switches category. It is engineered to support multiple topologies, including Boost, Buck, Flyback, and Forward, making it suitable for a wide range of power supply designs. The UCC3804DTR is packaged in a surface mount 8SOIC format, specifically in a Tape & Reel (TR) configuration, ensuring ease of integration into modern printed circuit boards.

UCC3804DTR Features

The UCC3804DTR offers several key features that enhance its performance and reliability:

• Frequency Control: The IC provides precise frequency control, enabling stable and efficient power conversion. This feature is crucial for maintaining consistent output power across varying load conditions.
• Current Limiting: Integrated fault protection through current limiting ensures the device's longevity and reliability by preventing damage from overcurrent conditions.
• High Switching Frequency: Capable of operating at frequencies up to 1MHz, the UCC3804DTR allows for the design of compact and high-efficiency power supplies.
• Wide Supply Voltage Range: With a supply voltage range of 8.3V to 12V, the UCC3804DTR can accommodate a variety of input voltage levels, making it suitable for diverse applications.
• Low Start-Up Voltage: A low start-up voltage of 12.5V ensures reliable operation even with minimal input voltage, enhancing the device's versatility.
• Compliance and Reliability: The UCC3804DTR is REACH unaffected and ROHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to ambient conditions.

UCC3804DTR Applications

The UCC3804DTR is ideal for a range of applications due to its robust features and versatile design:

• Power Supplies: Suitable for designing efficient and compact power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adaptive Voltage Regulators: The device's ability to operate across multiple topologies makes it ideal for adaptive voltage regulators that require high efficiency and flexibility.
• Battery Chargers: The UCC3804DTR's current limiting and frequency control features make it well-suited for battery charging applications, ensuring safe and efficient charging processes.
• LED Drivers: The high switching frequency and wide supply voltage range enable the design of high-efficiency LED drivers for various lighting applications.

Conclusion of UCC3804DTR

The UCC3804DTR from Texas Instruments stands out as a reliable and versatile offline switch IC, offering a comprehensive set of features tailored for modern power conversion needs. Its ability to support multiple topologies, combined with precise frequency control and robust fault protection, makes it a preferred choice for engineers designing efficient and compact power supplies. The device's compliance with environmental and safety standards further enhances its appeal in the electronics industry. Whether used in power supplies, adaptive voltage regulators, battery chargers, or LED drivers, the UCC3804DTR delivers consistent performance and reliability, making it an excellent investment for any power conversion application.

UCC3804DTR Documents

Download datasheets and manufacturer documentation for UCC3804DTR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-08-28 (PDF)       Product Change Notification (PDF)      

Models :

UCC3804DTR Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Technical Resources :

UCCX804 & UCCx813-4 TINA-TI Steady State Reference Design       UCCX804 & UCCx813-4 TINA-TI Startup Reference Design      

SPICE Models :

UCCx804, UCCx813-4 Families PSpice Transient Model (Rev. B)       UCCx804 & UCCx813-4 Unencrypted PSpice Transient Model       UCCX804 & UCCx813-4 TINA-TI Transient Spice Model