Texas Instruments

UCC25705P  

DC DC Switching Controllers

UCC25705P Description

The UCC25705P is a highly versatile DC-DC switching controller designed by Texas Instruments, offering a wide range of features and capabilities suitable for various power conversion applications. This transistor driver is designed for use in boost, flyback, and forward converter topologies, making it an ideal choice for engineers seeking a reliable and efficient solution for their power electronics needs. The UCC25705P operates within a supply voltage range of 8.2V to 15V and supports a switching frequency of up to 1MHz, ensuring high performance and efficiency in demanding applications.

UCC25705P Features

The UCC25705P boasts several unique features that set it apart from similar models in the market. Key features include:

• Output Type: Transistor Driver, capable of driving external transistors efficiently.
• Output Configuration: Positive, with isolation capability, ensuring safe and reliable operation in various environments.
• Frequency - Switching: 1MHz, allowing for high-frequency operation which is essential for compact and high-efficiency designs.
• Control Features: Current limit functionality, providing robust protection against overcurrent conditions and enhancing system reliability.
• Duty Cycle (Max): 93%, enabling high efficiency and minimal power loss in the conversion process.
• Output Phases: Single phase, simplifying the design and reducing complexity.
• Package: Supplied in a tube package, suitable for through-hole mounting, which is advantageous for applications requiring robust mechanical stability and ease of assembly.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental sustainability and adherence to regulatory standards.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), making it suitable for a wide range of manufacturing processes without the need for special handling.

UCC25705P Applications

The UCC52705P is particularly well-suited for applications that demand high efficiency, reliability, and versatility. Some specific use cases include:

• Power Supplies: Ideal for designing compact and efficient power supplies for various electronic devices, including consumer electronics, industrial equipment, and telecommunications infrastructure.
• Battery Chargers: Its high-frequency operation and current limit feature make it suitable for fast and safe battery charging solutions.
• DC-DC Converters: Perfect for applications requiring efficient voltage conversion, such as in automotive electronics, renewable energy systems, and portable devices.
• Medical Equipment: The isolation capability and compliance with environmental standards make it suitable for use in medical devices where safety and reliability are paramount.

Conclusion of UCC25705P

The UCC25705P from Texas Instruments is a robust and versatile DC-DC switching controller that offers a comprehensive set of features tailored for high-efficiency power conversion applications. Its ability to operate in multiple topologies, combined with its high switching frequency and current limit protection, makes it a reliable choice for engineers looking to optimize their power electronics designs. Despite being marked as obsolete, the UCC25705P remains a valuable component for legacy systems and new designs where its unique features are required. Its compliance with environmental standards and ease of assembly further enhance its appeal in the electronics industry.

UCC25705P Documents

Download datasheets and manufacturer documentation for UCC25705P

Datasheets :

UCC25705/06, UCC35705/06      

PCN Obsolescence/ EOL :

Mult Dev EOL 10/Mar/2022       PDIP 16-Mar-2022      

HTML Datasheet :

UCC25705/06, UCC35705/06