Texas Instruments

TL431BQLPRE3  

Voltage References

TL431BQLPRE3 Description

The TL431BQLPRE3 is a precision adjustable shunt reference voltage regulator designed by Texas Instruments. This device is part of the Power Management Integrated Circuits (PMIC) category and offers a highly stable reference voltage with a tolerance of ±0.5%. The TL431BQLPRE3 features an adjustable output voltage ranging from 2.495V to 36V, making it suitable for a wide range of applications. It is housed in a TO-92-3 package and is available in a Tape & Reel (TR) format for convenient handling and assembly.

TL431BQLPRE3 Features

• Adjustable Output Voltage: The TL431BQLPRE3 provides an adjustable output voltage range from 2.495V to 36V, offering flexibility in various power supply designs.
• High Stability and Precision: With a tolerance of ±0.5%, this device ensures high stability and precision in voltage regulation, critical for sensitive electronic applications.
• High Output Current Capability: The device can handle an output current of up to 100 mA, making it suitable for applications requiring higher current loads.
• Low Cathode Current: The TL431BQLPRE3 has a low cathode current of 700 µA, which helps in reducing power consumption and improving efficiency.
• Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and is ideal for applications requiring high reliability.
• Compliance and Standards: The TL431BQLPRE3 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Obsolescence Notice: Although marked as obsolete, the TL431BQLPRE3 remains a reliable choice for existing designs and legacy systems.

TL431BQLPRE3 Applications

The TL431BQLPRE3 is ideal for a variety of applications due to its adjustable voltage range, high stability, and precision. Some specific use cases include:

• Power Supplies: The adjustable voltage range and high output current capability make it suitable for designing linear and switching power supplies.
• Battery Chargers: The precision and stability of the reference voltage are crucial for accurate battery charging circuits.
• Voltage Regulators: The device can be used in voltage regulator circuits to maintain a stable output voltage under varying load conditions.
• Instrumentation: The high precision and stability make it suitable for precision measurement and instrumentation applications.
• Consumer Electronics: Ideal for applications in consumer electronics where precise voltage regulation is required.

Conclusion of TL431BQLPRE3

The TL431BQLPRE3 from Texas Instruments is a versatile and reliable shunt reference voltage regulator. Its adjustable output voltage, high stability, and precision make it suitable for a wide range of applications in power management and electronics. Despite being marked as obsolete, the TL431BQLPRE3 remains a valuable component for existing designs and legacy systems, ensuring continued reliability and performance. Its compliance with environmental and safety standards further enhances its appeal for modern electronic designs.

TL431BQLPRE3 Documents

Download datasheets and manufacturer documentation for TL431BQLPRE3

PCN Assembly/Origin :

Mold Compound Addition 04/Jun/2021      

Datasheets :

TL431x, TL432x      

PCN Obsolescence/ EOL :

EOL 16/Jun/2023