Texas Instruments

UC39431DTR

UC39431DTR Description

The UC39431DTR is a high-performance, adjustable shunt voltage reference IC designed by Texas Instruments. This device offers a wide output voltage range from 1.3V to 36V and can deliver up to 100mA of output current. It features a low tolerance of ±0.39%, ensuring precise voltage regulation in various applications. The UC39431DTR is packaged in an 8SOIC format and is suitable for surface-mount applications, making it ideal for compact and high-density designs. Despite being marked as obsolete, it remains a reliable choice for applications requiring a stable and accurate voltage reference.

UC39431DTR Features

• Adjustable Output Voltage: The UC39431DTR provides a wide adjustable output voltage range from 1.3V to 36V, making it highly versatile for a variety of electronic circuits.
• High Output Current: Capable of delivering up to 100mA of output current, this IC is suitable for applications requiring higher current loads.
• Low Tolerance: With a tolerance of ±0.39%, the UC39431DTR ensures high accuracy and stability in voltage regulation.
• Surface Mount Compatibility: The 8SOIC package format is ideal for surface-mount technology (SMT), facilitating integration into modern, compact designs.
• Moisture Sensitivity Level: MSL 2 (1 Year) ensures the device remains reliable even in environments with varying humidity levels.
• Operating Temperature Range: The UC39431DTR operates reliably within a temperature range of 0°C to 70°C (TA), making it suitable for a broad range of ambient conditions.
• Compliance: The device is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.

UC39431DTR Applications

The UC39431DTR is well-suited for applications requiring precise voltage references, such as:

• Power Supplies: Ideal for use in adjustable power supplies where accurate voltage regulation is critical.
• Battery Management Systems: Provides a stable reference voltage for monitoring and managing battery levels.
• Analog-to-Digital Converters (ADCs): Ensures accurate voltage levels for precise analog-to-digital conversion.
• Digital-to-Analog Converters (DACs): Offers a stable reference for accurate digital-to-analog conversion.
• Precision Measurement Equipment: Suitable for applications where high accuracy and stability are required, such as laboratory and industrial measurement devices.

Conclusion of UC39431DTR

The UC39431DTR is a robust and versatile shunt voltage reference IC that offers high accuracy and reliability. Its wide adjustable output voltage range, high output current capability, and low tolerance make it an excellent choice for applications requiring precise voltage regulation. Despite its obsolete status, the UC39431DTR remains a reliable option for engineers and designers seeking a high-performance voltage reference solution. Its surface-mount compatibility and compliance with environmental standards further enhance its appeal for modern electronic designs.