Texas Instruments

UC385TD-2

UC385TD-2 Description

The UC385TD-2 is a linear regulator IC designed for power management applications, manufactured by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust performance and reliability. The UC385TD-2 features a fixed output voltage of 2.1V, capable of delivering a maximum output current of 5A. It operates within an input voltage range up to 7.5V, making it suitable for a variety of low-voltage applications. The regulator is housed in a surface-mount package, specifically the DDPAK/TO263-5, which is ideal for compact and high-density designs.

UC385TD-2 Features

• Output Type: Fixed, ensuring a stable 2.1V output voltage.
• Input Voltage Range: Up to 7.5V, providing flexibility in power supply options.
• Output Current: Capable of delivering up to 5A, suitable for high-current applications.
• Number of Regulators: Single regulator, simplifying design and reducing component count.
• Output Configuration: Positive, ensuring compatibility with most electronic systems.
• Voltage Dropout: A maximum dropout voltage of 2.1V at 5A, ensuring efficient operation even at lower input voltages.
• Protection Features: Over-temperature, reverse polarity, and short-circuit protection, enhancing reliability and safety.
• Operating Temperature: Wide range from 0°C to 100°C, suitable for various environmental conditions.
• Moisture Sensitivity Level: MSL 2 (1 Year), ensuring durability in storage and manufacturing processes.
• Package: Tube packaging, facilitating easy handling and integration into production lines.
• Product Status: Obsolete, but still available for legacy systems and existing designs.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.

UC385TD-2 Applications

The UC385TD-2 is ideal for applications requiring a stable and reliable power supply with a fixed output voltage. Its high current capability and low dropout voltage make it particularly suitable for:

• Industrial Equipment: Powering control systems, sensors, and actuators that require a stable 2.1V supply.
• Consumer Electronics: Providing power to devices such as smartphones, tablets, and portable gaming consoles.
• Automotive Systems: Suitable for infotainment systems, electronic control units, and other automotive electronics.
• Telecommunications: Powering base stations, routers, and other networking equipment.
• Medical Devices: Ensuring reliable power supply for medical monitoring equipment and diagnostic devices.

Conclusion of UC385TD-2

The UC385TD-2 from Texas Instruments is a versatile linear regulator designed to meet the demands of modern power management applications. Its fixed 2.1V output and 5A current capability, combined with robust protection features and a wide operating temperature range, make it a reliable choice for various electronic systems. Despite being marked as obsolete, the UC385TD-2 remains a valuable component for legacy systems and existing designs, ensuring continued availability and support. Its compact surface-mount package and compliance with environmental regulations further enhance its appeal in the electronics industry.