Texas Instruments

UA7808CKC

UA7808CKC Description

The UA7808CKC is a linear voltage regulator designed by Texas Instruments, featuring a fixed output voltage of 8V and capable of delivering up to 1.5A of output current. This regulator is designed for through-hole mounting and is housed in a TO220-3 package, making it suitable for a variety of industrial and consumer applications. Despite being marked as obsolete, the UA7808CKC remains a reliable choice for power management due to its robust design and performance characteristics.

UA7808CKC Features

• Fixed Output Voltage: The UA7808CKC provides a stable 8V output voltage, ensuring consistent power delivery to connected devices.
• High Current Capability: With a maximum output current of 1.5A, this regulator can support demanding applications requiring significant power.
• Wide Input Voltage Range: The regulator can operate with input voltages up to 25V, offering flexibility in power supply design.
• Low Dropout Voltage: A maximum dropout voltage of 2V at 1A ensures efficient operation even when the input voltage is close to the output voltage.
• Protection Features: The UA7808CKC includes over-temperature and reverse polarity protection, enhancing reliability and safeguarding against common power-related issues.
• Operating Temperature Range: Suitable for operation between 0°C and 125°C, this regulator can be used in a wide range of environmental conditions.
• Power Supply Rejection Ratio (PSRR): The PSRR ranges from 72dB to 62dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Compliance: The UA7808CKC is REACH unaffected and RoHS3 compliant, meeting environmental and safety standards.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), this regulator is suitable for storage and handling in various environments without the need for special precautions.

UA7808CKC Applications

The UA7808CKC is ideal for applications requiring a stable 8V power supply with high current capability. Some specific use cases include:

• Consumer Electronics: Powering devices such as radios, amplifiers, and other audio equipment that require a stable 8V supply.
• Industrial Equipment: Providing reliable power to sensors, actuators, and control systems in industrial settings.
• Telecommunications: Supplying power to communication modules and devices that operate within the specified voltage and current range.
• Automotive: Suitable for automotive applications where a stable voltage supply is critical for the operation of electronic components.

Conclusion of UA7808CKC

The UA7808CKC, despite its obsolete status, remains a robust and reliable linear voltage regulator for applications requiring an 8V output and up to 1.5A of current. Its wide input voltage range, low dropout voltage, and comprehensive protection features make it a versatile choice for various power management needs. The regulator's compliance with environmental and safety standards ensures it meets the requirements of modern electronics manufacturing. For applications where a stable and efficient power supply is crucial, the UA7808CKC continues to be a viable option.