Overview of Texas Instruments TL431AQPKG3

The Texas Instruments TL431AQPKG3 is a precision programmable reference that is designed to offer a reliable solution for voltage regulation in a wide array of electronic applications. This versatile three-terminal adjustable shunt regulator can be set to any value between Vref (approximately 2.5 volts) and 36 volts with two external resistors. It features a low output noise, which makes it suitable for precision applications.

Key Features

• Programmable Output Voltage: The TL431AQPKG3 offers an adjustable output voltage from 2.495 to 36 volts, providing flexibility for various design requirements.
• High Accuracy: With a typical temperature stability of just 50 ppm/°C over the entire temperature range, this device ensures high accuracy and consistent performance.
• Low Operational Current: It has a low operational current ranging from 1 to 100mA, making it an energy-efficient choice for power-sensitive applications.
• Wide Operating Temperature Range: The device can operate over a full industrial temperature range of -40°C to +125°C, ensuring reliability in harsh environments.

Applications

The TL431AQPKG3 is commonly used in various applications such as power supplies, battery chargers, and voltage monitoring. Its ability to provide a stable reference voltage makes it an ideal component for:

• Adjustable voltage and current regulators
• Switching power supplies
• Digital voltmeters
• Automotive electronics
• Precision current limiters

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the TL431AQPKG3 is no exception. It is offered in a TO-92 package, known for its reliability and robustness. The device also meets or exceeds the stringent requirements set by the automotive industry standards, making it a trustworthy choice for automotive applications.

In conclusion, the TL431AQPKG3 from Texas Instruments is a highly versatile, accurate, and reliable shunt regulator that provides designers with a stable reference voltage solution for a multitude of electronic circuits and applications.