ON Semiconductor TL431IDR2: Precision Programmable Reference

The ON Semiconductor TL431IDR2 is a highly versatile, precision programmable voltage reference that is widely used in a myriad of electronic 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 volts) and 36 volts with two external resistors. This flexibility makes the TL431IDR2 an excellent choice for voltage regulation tasks in power supplies, battery chargers, and voltage monitoring circuits.

The device exhibits a low output noise voltage, which is critical for high-performance applications. Additionally, it has a typical output impedance of 0.2 ohms, a feature that contributes to its stability and reliability in various circuit configurations. The TL431IDR2 also offers excellent temperature compensation and has a broad operating temperature range, ensuring consistent performance under varying environmental conditions.

One of the key advantages of the TL431IDR2 is its ease of use. Its programmability and precision make it a go-to voltage reference for both simple and complex designs. It is commonly used in conjunction with op-amps in precision voltage regulation schemes, providing a stable reference voltage that is essential for accurate control.

This device comes in a small surface-mount package, specifically the SOIC-8 package, which makes it suitable for space-constrained applications. The TL431IDR2 is also characterized by a typical dynamic impedance and a fast turn-on response time, making it highly responsive in applications requiring quick adjustments to changing conditions.

ON Semiconductor's commitment to quality ensures that the TL431IDR2 meets rigorous standards, providing designers with confidence in its performance and longevity. Whether you are designing a power supply for consumer electronics or an industrial control system, the TL431IDR2 offers a reliable and precise voltage reference solution that can be tailored to meet the specific needs of your application.

Overall, the TL431IDR2 from ON Semiconductor is a highly reliable and versatile component that is essential for achieving precise voltage regulation in a wide range of electronic products.