Texas Instruments

TL431IPK  

Voltage References

The TL431IPK is a precision programmable shunt regulator manufactured by Texas Instruments. It is a high-performance, low-dropout linear regulator that is designed for use in a wide range of applications, including power supplies, battery chargers, and voltage references.

Description:

The TL431IPK is a 5-pin package that consists of an internal 2.5V reference, an adjustable shunt regulator, and an error amplifier. It is available in a small, surface-mount SOT-23 package, making it ideal for use in compact, space-constrained applications.

Features:

• Precision 2.5V reference with low temperature drift
• Adjustable output voltage from 2.5V to 36V
• Low dropout voltage of 2.5V at full load
• High output current capability up to 150mA
• Internal current limit protection
• Low quiescent current of 100µA
• Wide operating temperature range of -40°C to +125°C
• Available in a small SOT-23 package

Applications:

The TL431IPK is a versatile and widely used component that can be found in a variety of applications, including:

1. Power supplies: The TL431IPK can be used to regulate the output voltage of a wide range of power supplies, including linear and switching regulators.
2. Battery chargers: The TL431IPK can be used to regulate the charging voltage of batteries, ensuring that they are charged safely and efficiently.
3. Voltage references: The TL431IPK can be used as a precision voltage reference in a variety of applications, including data acquisition systems and signal conditioning circuits.
4. LED drivers: The TL431IPK can be used to regulate the current through an LED, ensuring that it operates at a consistent brightness level.
5. Motor control: The TL431IPK can be used to regulate the speed of a motor by controlling the voltage applied to it.

Overall, the TL431IPK is a high-performance, reliable, and cost-effective component that is widely used in a variety of applications. Its precision, low-dropout voltage, and high output current capability make it an ideal choice for a wide range of power management and voltage regulation applications.

TL431IPK Documents

Download datasheets and manufacturer documentation for TL431IPK

Datasheets :

TL431x, TL432x      

PCN Design/Specification :

TL431x/TL432x 13/Jul/2022