STMicroelectronics TL431AIDT Precision Programmable Reference

The TL431AIDT is a versatile, precision programmable voltage reference from STMicroelectronics, designed to offer both flexibility and reliability for a wide array of applications. This three-terminal adjustable shunt regulator features a guaranteed thermal stability over applicable temperature ranges. The output voltage can be set to any value between Vref (approximately 2.495 V) and 36 V with two external resistors. This device exhibits a typical dynamic impedance of 0.2 ohms, providing stable reverse current operation.

Encased in an SO-8 package, the TL431AIDT is characterized for operation from -40°C to +105°C. Its precise voltage reference of 2.495 V undergoes a low tolerance at 25°C, which is typically ±0.5%. Furthermore, the device's reference input can handle up to −40 V, making it suitable for a variety of demanding environments and applications.

One of the key features of the TL431AIDT is its low output noise voltage, which makes it ideal for precision applications. Additionally, the product has a typical output impedance of 0.2 ohms, contributing to its high stability and reliability. The device's low dynamic output impedance and fast turn-on response make it an excellent choice for voltage regulation and shunt regulation applications.

With its ability to perform as a programmable precision Zener, the TL431AIDT excels in numerous applications, including adjustable voltage and current sources, switching power supplies, linear regulators, and charge controllers. It's also commonly used in battery management systems, where accurate voltage references are crucial.

STMicroelectronics ensures that the TL431AIDT meets the stringent requirements for industrial and consumer products, providing a high-quality, cost-effective solution for designers seeking a reliable voltage reference. The device's standard pin configuration simplifies the integration process into existing designs, making it a popular choice for upgrading and developing new electronic systems.

In summary, the TL431AIDT from STMicroelectronics is an exceptional component for designers who require a compact, versatile, and precise voltage reference solution that is easy to use and integrate into a wide range of electronic applications.