STMicroelectronics

TL431AIDT

The TL431AIDT is a precision programmable shunt regulator manufactured by STMicroelectronics. It is a three-terminal device that provides a stable reference voltage and current limiting functionality. The device is available in a compact SOT-23 package, making it suitable for a wide range of applications.

Description:

The TL431AIDT is a programmable shunt regulator that can be used to generate a stable reference voltage or to provide current limiting in a variety of applications. It features a precision 2.5V reference source, an internal 1.25V shunt regulator, and a high-impedance error amplifier. The device also includes a thermal shutdown feature to protect against overload conditions.

Features:

1. Precision 2.5V reference source
2. Internal 1.25V shunt regulator
3. High-impedance error amplifier
4. Thermal shutdown protection
5. Compact SOT-23 package

Applications:

The TL431AIDT can be used in a variety of applications, including:

1. Voltage regulation in power supply circuits
2. Current limiting in LED driver circuits
3. Battery charge management
4. Precision voltage references for analog-to-digital converters (ADCs)
5. Stabilization of Zener diodes

In summary, the TL431AIDT is a versatile and compact programmable shunt regulator that can be used in a variety of applications to provide stable reference voltages and current limiting functionality. Its precision reference source, internal shunt regulator, and thermal shutdown protection make it a reliable choice for a wide range of applications.