STMicroelectronics TL431AICT Precision Shunt Voltage Reference

The TL431AICT is a three-terminal adjustable shunt regulator with a guaranteed thermal stability over applicable temperature ranges. Manufactured by STMicroelectronics, a leader in semiconductor solutions, this product offers a versatile solution for voltage regulation in a wide array of electronic applications, including power supplies and linear regulators.

This precision voltage reference can be programmed to any desired voltage within the range of 2.5 to 36 volts with two external resistors. These features make the TL431AICT an excellent choice for use in adjustable power supplies, battery chargers, and other precision voltage regulation scenarios.

Key Features:

• Output Voltage Range: Adjustable from 2.5V to 36V with a typical dynamic impedance of 0.2Ω.
• Temperature Stability: High stability across the entire operating temperature range, ensuring reliable performance in a variety of conditions.
• Low Output Noise: Provides a low noise output which is crucial for sensitive electronics applications.
• Reference Voltage Tolerance: Features a 0.5% tolerance at 25°C for precise voltage regulation.
• Package: Available in a small TO-92 package, suitable for through-hole mounting, making it easy to integrate into a wide range of electronic circuits.

Applications:

• Switching power supplies
• Linear regulators
• Adjustable power supplies
• Battery chargers
• Motor control
• Instrumentation systems

The TL431AICT from STMicroelectronics is a practical component for designers looking to implement an adjustable precision voltage reference. With its tight voltage tolerance and temperature stability, it provides consistent performance that is essential for maintaining voltage regulation in sensitive electronic systems. Its ease of use, complemented by the wide range of applications it is suitable for, makes it a preferred choice for professionals and hobbyists alike.