Texas Instruments

UC3879DWG4  

DC DC Switching Controllers

UC3879DWG4 Description

The UC3879DWG4 is a high-performance transistor driver designed for power management applications, specifically tailored for half-bridge configurations. Manufactured by Texas Instruments, this IC offers a robust set of features that make it ideal for a variety of power conversion tasks. The device is designed to operate within a supply voltage range of 9V to 20V, ensuring compatibility with a wide range of power supplies. It supports switching frequencies up to 300kHz, making it suitable for applications requiring high efficiency and fast response times.

The UC3879DWG4 features a positive output configuration and includes a synchronous rectifier, enhancing its efficiency and performance in power conversion circuits. The device is compliant with REACH and ROHS3 regulations, ensuring it meets the highest environmental and safety standards. With a moisture sensitivity level (MSL) of 2 (1 Year), it is well-suited for surface mount applications and can withstand typical manufacturing processes.

UC3879DWG4 Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: Up to 300kHz
• Voltage - Supply (Vcc/Vdd): 9V ~ 20V
• Operating Temperature: 0°C ~ 70°C (TA)
• Synchronous Rectifier: Yes
• Control Features: Frequency Control, Ramp, Soft Start
• Duty Cycle (Max): 50%
• Output Phases: 1
• Number of Outputs: 4
• Clock Sync: Yes
• Package: Tube
• Base Product Number: UC3879

The UC3879DWG4 stands out with its comprehensive control features, including frequency control, ramp, and soft start capabilities. These features allow for precise control over the switching process, minimizing inrush currents and ensuring smooth operation. The device also supports clock synchronization, which is crucial for maintaining stability in multi-phase power conversion systems.

UC3879DWG4 Applications

The UC3879DWG4 is ideal for a range of applications where high efficiency and precise control are required. Some specific use cases include:

• Switching Power Supplies: The high switching frequency and synchronous rectifier make it perfect for high-efficiency power supplies.
• DC-DC Converters: The device's control features and output configuration are well-suited for DC-DC conversion applications.
• Motor Drives: The robust design and control capabilities make it suitable for driving motors in various applications.
• Renewable Energy Systems: The UC3879DWG4 can be used in inverters and converters for solar and wind power systems, contributing to higher efficiency and reliability.

Conclusion of UC3879DWG4

The UC3879DWG4 from Texas Instruments is a versatile and high-performance transistor driver that offers significant advantages over similar models. Its wide supply voltage range, high switching frequency, and comprehensive control features make it a reliable choice for a variety of power management applications. The device's compliance with environmental and safety regulations, along with its robust design and surface mount compatibility, ensures it meets the demands of modern electronics manufacturing. Whether used in switching power supplies, DC-DC converters, motor drives, or renewable energy systems, the UC3879DWG4 delivers exceptional performance and reliability.

UC3879DWG4 Documents

Download datasheets and manufacturer documentation for UC3879DWG4

Datasheets :

UC3879DWTR Datasheet      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023