Texas Instruments

UA7805CKCT

UA7805CKCT Description

The UA7805CKCT is a linear voltage regulator IC manufactured by Texas Instruments. It belongs to the category of Linear & Switching Voltage Regulators and is designed to provide a fixed output voltage of 5V with a maximum current output of 1.5A. This through-hole mounted device is packaged in a TO220-3 tube package and is ideal for applications requiring a stable and reliable voltage supply.

UA7805CKCT Features

• Fixed Output Voltage: The UA7805CKCT provides a fixed output voltage of 5V, ensuring consistent power supply to connected devices.
• High Current Output: With a maximum output current of 1.5A, this regulator can handle demanding applications that require higher power.
• Positive Output Configuration: The positive output configuration makes it suitable for a wide range of applications, including powering microcontrollers and other electronic circuits.
• Over Temperature and Reverse Polarity Protection: These built-in protection features safeguard the device and connected components from damage due to over-temperature conditions or reverse polarity connections.
• 78dB to 68dB PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 78dB to 68dB at 120Hz, ensuring stable operation even in noisy environments.
• RoHS3 Compliance: The UA7805CKCT is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for environmentally conscious designs.
• REACH Unaffected Status: This indicates that the product is not affected by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation, ensuring regulatory compliance.

UA7805CKCT Applications

The UA7805CKCT is ideal for applications that require a stable 5V power supply with high current output. Some specific use cases include:

• Powering Microcontrollers: Due to its high current output, the UA7805CKCT can efficiently power microcontrollers in various electronic devices.
• Audio Amplifiers: The positive output configuration and high PSRR make it suitable for use in audio amplifier circuits, ensuring clean and stable power supply.
• Industrial Control Systems: Its ability to operate over a wide temperature range (0°C to 125°C) makes it suitable for use in harsh industrial environments.
• Automotive Applications: The UA7805CKCT can be used in automotive electronics, providing a stable power supply to various components.

Conclusion of UA7805CKCT

The UA7805CKCT is a reliable and efficient linear voltage regulator from Texas Instruments, offering a fixed 5V output with a maximum current output of 1.5A. Its unique features, such as over temperature and reverse polarity protection, high PSRR, and RoHS3 compliance, make it an ideal choice for a wide range of applications, including microcontroller power supply, audio amplifiers, industrial control systems, and automotive electronics. However, it is important to note that the product status is marked as obsolete, which may affect its availability and long-term support.