Texas Instruments

UC3867DW  

DC DC Switching Controllers

UC3867DW Description

The UC3867DW is a highly versatile and efficient Transistor Driver IC designed for power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 16SOIC package. The UC3867DW is designed to operate within a wide supply voltage range of 7V to 22V, making it suitable for various power supply configurations. It supports a switching frequency range from 50kHz to 500kHz, enabling high-efficiency power conversion in compact designs.

UC3867DW Features

• Output Configuration: The UC3867DW features a positive output configuration, providing a straightforward and reliable power delivery mechanism.
• Control Features: Equipped with soft start functionality, the UC3867DW ensures smooth startup without inrush currents, thereby enhancing system reliability and reducing stress on components.
• Operating Temperature: With an operating temperature range of 0°C to 70°C (TA), the IC is well-suited for applications in moderate to high-temperature environments.
• Output Phases: The UC3867DW operates with a single output phase, simplifying the design and reducing complexity in power supply systems.
• Duty Cycle: The maximum duty cycle of 100% allows for maximum flexibility in power delivery, ensuring efficient operation across a wide range of load conditions.
• Compliance: The UC3867DW is REACH unaffected and ROHS3 compliant, meeting stringent environmental and safety standards, making it suitable for global markets.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the IC is protected against moisture, ensuring long-term reliability and performance in various storage conditions.
• Mounting Type: The surface mount package type of the UC3867DW facilitates easy integration into modern PCB designs, enhancing manufacturing efficiency and reducing assembly costs.

UC3867DW Applications

The UC3867DW is ideal for a variety of applications that require efficient power management and high reliability. Some specific use cases include:

• Power Supplies: The wide input voltage range and high switching frequency make the UC3867DW suitable for designing compact and efficient power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure.
• DC-DC Converters: The device's ability to operate with a maximum duty cycle of 100% and its soft start feature make it an excellent choice for high-efficiency DC-DC converter designs, ensuring stable and reliable power conversion.
• Battery Chargers: The UC3867DW's robust performance and compliance with environmental standards make it a reliable component for battery charging systems, ensuring safe and efficient charging processes.
• Motor Drives: The IC's transistor driver capabilities and wide operating temperature range make it suitable for motor drive applications, providing efficient power delivery and control.

Conclusion of UC3867DW

The UC3867DW from Texas Instruments is a robust and versatile Transistor Driver IC designed for power management applications. Its wide supply voltage range, high switching frequency, and soft start functionality make it an ideal choice for a variety of power supply and conversion applications. The device's compliance with environmental standards and its surface mount package type further enhance its suitability for modern electronics designs. Whether used in power supplies, DC-DC converters, battery chargers, or motor drives, the UC3867DW offers reliable performance and significant advantages over similar models, making it a standout choice in the power management IC market.

UC3867DW Documents

Download datasheets and manufacturer documentation for UC3867DW

Datasheets :

UC1861-68, UC2861-68, UC3861-68      

HTML Datasheet :

UC1861-68, UC2861-68, UC3861-68