Texas Instruments

UC285T-1  

Linear & Switching Voltage Regulators

UC285T-1 Description

The UC285T-1 is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 1.5V and a robust current handling capability of up to 5A. This regulator is housed in a through-hole TO220-5 package, making it suitable for a variety of applications where high current output and reliable performance are required. The UC285T-1 features a maximum input voltage of 7.5V and a dropout voltage of 2.2V at 5A, ensuring efficient power conversion even under high load conditions. It includes essential protection features such as over-temperature, reverse polarity, and short-circuit protection, enhancing its reliability and durability in demanding environments. Despite being marked as obsolete, the UC285T-1 remains a viable option for applications where its specific voltage and current requirements are needed. It is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.

UC285T-1 Features

The UC285T-1 stands out due to its unique combination of features that cater to specific power regulation needs:

• Fixed Output Voltage: Provides a stable 1.5V output, ideal for applications requiring precise voltage levels.
• High Current Capability: Supports up to 5A of output current, making it suitable for high-power applications.
• Efficient Dropout Voltage: With a maximum dropout voltage of 2.2V at 5A, the regulator maintains efficiency even under heavy load conditions.
• Comprehensive Protection: Over-temperature, reverse polarity, and short-circuit protection ensure the regulator's longevity and reliability.
• Through-Hole Mounting: The TO220-5 package type facilitates easy integration into various circuit designs.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring it meets global environmental and safety standards.

UC285T-1 Applications

The UC285T-1 is particularly well-suited for applications that demand a reliable and efficient power supply with a fixed output voltage and high current capacity. Some specific use cases include:

• Power Supply Units: Ideal for providing stable power to electronic devices and systems that require a consistent 1.5V supply.
• Industrial Equipment: Suitable for applications where high current and precise voltage regulation are critical for the operation of industrial machinery.
• Telecommunications: Can be used in telecom equipment where a stable power supply is essential for uninterrupted operation.
• Automotive Systems: Applicable in automotive electronics where high current output and robust protection features are necessary.

Conclusion of UC285T-1

The UC285T-1, despite being marked as obsolete, continues to offer significant value in specific applications due to its robust performance and unique feature set. Its fixed 1.5V output and 5A current capability, combined with efficient dropout voltage and comprehensive protection features, make it a reliable choice for power regulation needs. The through-hole TO220-5 package and environmental compliance further enhance its versatility and suitability for a wide range of applications. For designers and engineers seeking a dependable linear voltage regulator with precise voltage and high current output, the UC285T-1 remains a viable and effective solution.

UC285T-1 Documents

Download datasheets and manufacturer documentation for UC285T-1

Datasheets :

UC285-x, 385-x      

HTML Datasheet :

UC285-x, 385-x