STMicroelectronics

TL431AIL3T

The TL431AIL3T is a precision programmable shunt regulator manufactured by STMicroelectronics. It is a popular choice for a wide range of applications due to its high precision and flexibility.

Description:

The TL431AIL3T is a three-terminal adjustable shunt regulator that can be used to generate a wide range of output voltages. It features a precision 2.5V reference source and a programmable output voltage range from 2.5V to 36V. The device is available in a compact SOT-23 package, making it suitable for a variety of applications.

Features:

1. Precision 2.5V reference source
2. Programmable output voltage range from 2.5V to 36V
3. Low ground current of 100µA
4. High output current capability up to 100mA
5. Low dropout voltage of 2.5V at full load
6. Short-circuit protection
7. Thermal overload protection
8. SOT-23 package

Applications:

The TL431AIL3T is used in a wide range of applications, including:

1. Voltage regulation in power supplies
2. Battery charging circuits
3. LED driver circuits
4. Linear voltage regulators
5. Precision current sources
6. Active power factor correction (PFC) circuits
7. Motor control circuits
8. Automotive electronics

In summary, the TL431AIL3T is a versatile and high-precision shunt regulator that is widely used in various applications due to its flexibility and reliability. Its low ground current, high output current capability, and thermal overload protection make it a popular choice for designers looking for a reliable and efficient voltage regulator.