Texas Instruments

UC385TDKTTT-3

UC385TDKTTT-3 Description

The UC385TDKTTT-3 is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 2.5V and a robust current handling capability of 5A. This regulator is housed in a surface-mount DDPAK/TO263-5 package, making it suitable for applications requiring compact and efficient power solutions. With a maximum input voltage of 7.5V, the UC385TDKTTT-3 ensures stable performance within its specified operating range. The regulator features a dropout voltage of 2.1V at 5A, which is relatively low compared to other similar regulators, enhancing its efficiency and making it ideal for applications where input voltage is close to the output voltage. The UC385TDKTTT-3 also includes essential protection features such as over-temperature, reverse polarity, and short-circuit protection, ensuring reliable operation under various conditions.

UC385TDKTTT-3 Features

• Fixed Output Voltage: The UC385TDKTTT-3 provides a stable 2.5V output voltage, ensuring consistent power supply to connected devices.
• High Current Capability: Capable of delivering up to 5A of current, this regulator is suitable for applications requiring high power output.
• Low Dropout Voltage: With a maximum dropout voltage of 2.1V at 5A, the UC385TDKTTT-3 maintains high efficiency even when the input voltage is close to the output voltage.
• Protection Features: Over-temperature, reverse polarity, and short-circuit protection ensure the regulator's longevity and reliability in various operating conditions.
• Surface-Mount Packaging: The DDPAK/TO263-5 package allows for easy integration into modern PCB designs, reducing the overall footprint and enhancing thermal performance.
• Wide Operating Temperature Range: The UC385TDKTTT-3 operates reliably within a temperature range of 0°C to 100°C, making it suitable for a variety of industrial and consumer applications.
• Compliance and Status: The regulator is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. It is also available in a tape and reel (TR) package, facilitating efficient handling and assembly processes.

UC385TDKTTT-3 Applications

The UC385TDKTTT-3 is ideal for applications that require a stable and efficient power supply with high current capabilities. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and other portable electronics that require a stable 2.5V supply and high current handling.
• Industrial Equipment: Suitable for powering sensors, actuators, and other components in industrial control systems that demand reliable and efficient power solutions.
• Telecommunications: Can be used in base stations and other telecom equipment where a stable power supply is crucial for uninterrupted operation.
• Automotive Systems: Applicable in automotive applications such as infotainment systems, where a compact and efficient power supply is necessary.

Conclusion of UC385TDKTTT-3

The UC385TDKTTT-3 from Texas Instruments is a versatile linear voltage regulator that offers a fixed 2.5V output with a high current capability of 5A. Its low dropout voltage and comprehensive protection features make it a reliable choice for a wide range of applications. The surface-mount DDPAK/TO263-5 package ensures easy integration into modern designs, while its compliance with environmental and safety standards further enhances its appeal. Although the product is marked as obsolete, its robust performance and unique features continue to make it a valuable option for engineers and designers seeking efficient power solutions.