The UC385TDTR-3G3 is a high-performance, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This robust component is designed to deliver a fixed output voltage of 3.3V with an input voltage range that typically spans from 4.5V to 7V, making it an ideal choice for a variety of electronic applications that require a stable and reliable power supply.

Key Features

• Fixed Output: The device provides a fixed output voltage of 3.3V, which is essential for powering sensitive electronic circuits that require a consistent voltage level for optimal performance.
• High Accuracy: With an output voltage accuracy of ±1%, the UC385TDTR-3G3 ensures precise voltage regulation, which is crucial for applications where voltage deviations can lead to performance issues or damage to electronic components.
• Low Dropout: The low dropout voltage of this regulator allows it to continue providing a stable output even when the input-to-output voltage differential is minimal, making it highly efficient in battery-powered devices where preserving energy is key.
• Thermal and Overcurrent Protection: The device includes built-in thermal shutdown and overcurrent protection features, enhancing the safety and reliability of the overall system by preventing damage due to overheating or excessive current draw.
• Adjustable Output: Although designed for a fixed 3.3V output, the regulator offers flexibility through an adjustable version which allows setting the output voltage with external resistors.

Applications

The UC385TDTR-3G3 is a versatile component suitable for a wide range of applications. It is commonly used in:

• Consumer Electronics
• Telecommunication Systems
• Portable/Battery-Powered Devices
• Computer Peripherals
• Industrial Equipment

Package and Availability

This regulator is available in a small-outline integrated circuit (SOIC) package, making it easy to integrate into a variety of circuit boards. The device's part number UC385TDTR-3G3 denotes the tape and reel packaging, which facilitates automated assembly processes, enhancing manufacturing efficiency.

With its combination of performance, accuracy, and safety features, the UC385TDTR-3G3 from Texas Instruments stands out as a reliable power management solution for designers and engineers looking to optimize their electronic systems.