The TL431ICT from STMicroelectronics is a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This integrated circuit (IC) is a versatile device that can be used in a wide range of voltage regulation and system control applications.

Key Features

• Programmable Output Voltage: The TL431ICT offers an output voltage range that is adjustable from 2.495 V to 36 V, allowing for flexibility in application design.
• Low Output Noise: This device boasts a low output noise characteristic, which is essential for sensitive electronics where stable voltage is crucial.
• High Stability: The TL431ICT is characterized for operation from -40°C to +125°C, ensuring consistent performance across a wide range of temperatures.
• Low Dynamic Output Impedance: With a typical output impedance of 0.2 ohms, the device provides stable reverse current operation, which is a key feature for voltage references.

Applications

The TL431ICT is suitable for a variety of applications, including:

• Voltage monitoring
• Adjustable current sources
• Switching power supplies
• Linear regulators
• Digital voltmeters
• Automotive electronics
• Consumer electronics

Product Specifications

The TL431ICT comes in a TO-92 package and is offered in different package options to suit various assembly techniques. Its precision reference qualities make it an ideal choice for precision voltage regulation, providing a reliable and consistent performance. The device's typical output voltage tolerance is ±0.5%, ensuring high accuracy for critical applications.

Conclusion

With its high degree of flexibility and reliability, the STMicroelectronics TL431ICT is an excellent choice for designers who require a precise and stable voltage reference that is easy to use and adaptable to a multitude of electronic applications. Its robust design and comprehensive features ensure that it can meet the demands of even the most challenging voltage regulation tasks.