Texas Instruments

UCC381DPTR-3

UCC381DPTR-3 Description

The UCC381DPTR-3 is a linear regulator IC designed by Texas Instruments, specifically tailored for applications requiring a fixed output voltage of 3.3V and a maximum output current of 1A. This device is housed in an 8-pin SOIC package, making it suitable for surface mount applications. Despite its obsolescence, the UCC381DPTR-3 remains a reliable choice for power management due to its robust design and comprehensive protection features.

UCC381DPTR-3 Features

• Output Type: Fixed at 3.3V, ensuring stable power supply for sensitive electronic components.
• Input Voltage Range: Capable of handling input voltages up to 9V, providing flexibility in power source selection.
• Output Current: Delivers a consistent 1A output current, ideal for powering various devices and circuits.
• Low Dropout Voltage: With a maximum dropout voltage of 0.8V at 1A, the UCC381DPTR-3 maintains efficiency even under varying load conditions.
• Protection Features: Equipped with over-temperature, reverse polarity, short circuit, and under-voltage lockout (UVLO) protections, ensuring reliable operation and safeguarding against common power-related issues.
• Operating Temperature: Functions reliably within a temperature range of 0°C to 70°C, making it suitable for a wide range of environmental conditions.
• Low Quiescent Current: Consumes only 650 µA in quiescent state, minimizing power loss and enhancing overall system efficiency.
• Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory adherence.

UCC381DPTR-3 Applications

The UCC381DPTR-3 is particularly well-suited for applications that demand a stable and reliable power supply. Its fixed 3.3V output and 1A current capacity make it ideal for:

• Embedded Systems: Providing a stable power source for microcontrollers and other low-power embedded devices.
• Consumer Electronics: Suitable for powering small appliances and gadgets that require a consistent voltage supply.
• Industrial Control: Reliable power supply for sensors, actuators, and other industrial control components.
• Telecommunications: Powering low-power communication modules and peripherals.

Conclusion of UCC381DPTR-3

Despite being marked as obsolete, the UCC381DPTR-3 remains a viable option for power management applications due to its robust design and comprehensive feature set. Its fixed 3.3V output and 1A current capacity, coupled with low dropout voltage and extensive protection features, make it a reliable choice for a variety of electronic systems. The UCC381DPTR-3's compliance with environmental regulations and its surface mount packaging further enhance its appeal for modern electronics design.