Texas Instruments

UA7812CKC

UA7812CKC Description

The UA7812CKC is a linear voltage regulator IC designed and manufactured by Texas Instruments. It is part of the Linear & Switching Voltage Regulators category and is known for its reliable performance in various electronic applications. With a fixed output type, this regulator is capable of handling an input voltage up to 30V and provides a fixed output voltage of 12V. It delivers a continuous output current of 1.5A, making it suitable for applications requiring stable and efficient power regulation.

UA7812CKC Features

• Technical Specifications:

  • Input Voltage Range: Up to 30V
  • Output Voltage: Fixed at 12V
  • Output Current: 1.5A
  • Number of Regulators: 1
  • Output Configuration: Positive
  • Voltage Dropout (Max): 2V @ 1A
  • PSRR: 78dB at 120Hz
  • Operating Temperature: 0°C to 125°C
  • Mounting Type: Through Hole
  • Package: Tube

• Performance Benefits:

  • Protection Features: Over Current, Over Temperature, Reverse Polarity, Short Circuit
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • RoHS Status: ROHS3 Compliant
  • REACH Status: REACH Unaffected

• Unique Advantages:

  • The UA7812CKC offers a high PSRR of 78dB at 120Hz, ensuring minimal noise in the output voltage, which is crucial for sensitive applications.
  • Its robust protection features make it a reliable choice for applications where power integrity is paramount.

UA7812CKC Applications

The UA7812CKC is ideal for applications that require a stable 12V output with high current capabilities. Some specific use cases include:

• Industrial Control Systems: For powering sensors and control circuits that demand a consistent power supply.
• Telecommunications Equipment: To provide a reliable power source for communication devices operating in harsh environmental conditions.
• Automotive Electronics: For regulating power to various electronics systems that require a stable 12V supply.

Conclusion of UA7812CKC

The UA7812CKC is a robust linear voltage regulator with a fixed output of 12V and 1.5A output current. Its high PSRR, comprehensive protection features, and compliance with environmental standards make it a preferred choice for applications where stable and reliable power regulation is essential. Despite being classified as obsolete, its unique features and performance benefits continue to make it a viable option for specific applications in the electronics industry.