Texas Instruments

UC3823Q  

DC DC Switching Controllers

UC3823Q Description

The UC3823Q is a versatile transistor driver designed for a variety of DC-DC switching controller applications. Manufactured by Texas Instruments, this IC offers a comprehensive set of features and capabilities that make it suitable for a wide range of power conversion topologies, including buck, boost, flyback, and forward converters. Despite its obsolete status, the UC3823Q remains a reliable choice for engineers seeking a robust and efficient power management solution.

The UC3823Q operates within a supply voltage range of 8.4V to 30V, providing flexibility in power supply design. Its switching frequency range of 340kHz to 460kHz ensures efficient power conversion with minimal losses. The device is designed to operate within a temperature range of 0°C to 70°C, making it suitable for applications in moderate environmental conditions. The UC3823Q is housed in a tube package, which is ideal for surface mount applications, ensuring ease of integration into modern electronic circuits.

UC3823Q Features

The UC3823Q boasts several key features that enhance its performance and reliability:

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 340kHz to 460kHz, ensuring efficient power conversion with minimal losses.
• Voltage - Supply (Vcc/Vdd): 8.4V to 30V, providing a wide operating voltage range.
• Control Features: The UC3823Q includes current limit, enable, frequency control, ramp, and soft start features, which enhance its flexibility and adaptability to various power management requirements.
• Duty Cycle (Max): 85%, allowing for high efficiency in power conversion.
• Number of Outputs: 1, with a single output phase, simplifying circuit design.
• Compliance: The UC3823Q is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level (MSL): 2 (1 Year), indicating its suitability for storage and handling in standard environments.

UC3823Q Applications

The UC3823Q is ideal for applications that require efficient power conversion and robust power management. Some specific use cases include:

• Power Supplies: The UC3823Q is well-suited for designing power supplies for various electronic devices, offering high efficiency and reliability.
• Battery Chargers: Its wide operating voltage range and efficient power conversion capabilities make it an excellent choice for battery charging applications.
• Telecommunications: The UC3823Q can be used in telecom equipment to manage power efficiently, ensuring stable operation.
• Industrial Equipment: The device's robustness and flexibility make it suitable for industrial applications where reliable power conversion is critical.

Conclusion of UC3823Q

The UC3823Q, despite being obsolete, remains a valuable component for engineers and designers in the electronics industry. Its wide operating voltage range, efficient switching frequency, and comprehensive set of control features make it a versatile and reliable choice for a variety of power conversion applications. The UC3823Q's compliance with environmental and regulatory standards ensures it remains a responsible choice for modern electronics. For applications requiring efficient power management and robust performance, the UC3823Q is an excellent option to consider.

UC3823Q Documents

Download datasheets and manufacturer documentation for UC3823Q

Datasheets :

UC1823, 2823, 3823      

HTML Datasheet :

UC1823, 2823, 3823