The UTC78D08 is a three-terminal positive voltage regulator providing a fixed +8V output voltage. As part of the 78xx series, it is designed for applications requiring a stable 8V power supply. Manufactured by UTC (Unisonic Technologies Co., Ltd.), it offers protection features and ease of use.

Applications

• Microcontroller Power Supply: Providing a regulated 8V power source for microcontrollers and other digital circuits requiring this voltage.
• Linear Voltage Regulation: Stepping down and regulating a higher voltage to a stable 8V.
• Power Supplies for Sensors: Supplying power to sensors and transducers that operate at 8V.
• Industrial Control Systems: Providing stable voltage for control circuits in industrial environments.
• General Purpose Voltage Regulation: Suitable for various applications requiring a regulated 8V supply.

Features

• Fixed 8V Output: Provides a stable and accurate 8V output voltage.
• Internal Thermal Overload Protection: Protects the regulator from damage due to overheating.
• Short Circuit Current Limiting: Limits the output current during short circuit conditions.
• High Input Voltage Range: Operates with a relatively wide input voltage range.
• Low Output Noise: Minimizes noise on the output voltage.

Benefits

• Stable Power Supply: Ensures a reliable and stable 8V power supply for sensitive electronic components.
• Overload Protection: Prevents damage to the regulator and connected circuitry from overloads.
• Simplified Circuit Design: Requires few external components for operation.
• Cost-Effective: Provides a cost-effective solution for voltage regulation needs.
• Improved System Performance: Stable voltage output leads to improved performance and reliability of the connected devices.

Additional Details

The UTC78D08 typically requires an input voltage higher than 8V, generally between 10V and 25V. A heat sink might be required depending on the input voltage and output current. The datasheet provides detailed electrical characteristics, thermal specifications, and recommended application circuits. The ‘D’ in the part number might signify a different package or tolerance compared to standard 7808 series.