Texas Instruments

TL431AIP  

Voltage References

TL431AIP Description

The TL431AIP is an adjustable shunt voltage reference IC designed and manufactured by Texas Instruments. This device is part of the Voltage References category and is known for its precise voltage regulation and stability. The TL431AIP features an adjustable output voltage ranging from 2.495V to 36V, making it highly versatile for a variety of applications. It is capable of delivering up to 100 mA of output current, ensuring robust performance in demanding circuits. The device is housed in a through-hole package, specifically an 8DIP tube, which facilitates easy integration into various electronic systems.

TL431AIP Features

• Adjustable Output Voltage: The TL431AIP offers an adjustable output voltage range from 2.495V to 36V, providing flexibility to meet diverse application requirements.
• High Output Current: With a maximum output current of 100 mA, the TL431AIP can support higher load demands compared to similar voltage reference devices.
• High Precision: The device maintains a tolerance of ±1%, ensuring accurate voltage regulation and stability in precision applications.
• Low Cathode Current: The TL431AIP has a low cathode current of 700 µA, which contributes to its energy efficiency and suitability for low-power designs.
• Through-Hole Mounting: The through-hole mounting type facilitates easy installation and integration into printed circuit boards (PCBs), making it ideal for both prototyping and production environments.
• Obsolete Status: Although the TL431AIP is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.
• Compliance: The TL431AIP is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards for electronic components.

TL431AIP Applications

The TL431AIP is well-suited for a wide range of applications due to its adjustable voltage range, high output current, and precision. Some specific use cases include:

• Power Supplies: The TL431AIP can be used as a voltage reference in linear and switching power supplies to ensure stable and accurate output voltages.
• Battery Chargers: Its adjustable voltage range makes it ideal for battery charging circuits where precise voltage control is necessary to protect the battery and optimize charging efficiency.
• Signal Conditioning: In signal conditioning circuits, the TL431AIP can provide a stable reference voltage to ensure accurate signal processing and amplification.
• Analog-to-Digital Converters (ADCs): The TL431AIP can serve as a reference voltage source for ADCs, enhancing the accuracy and reliability of digital signal conversion.
• Precision Measurement Equipment: The high precision and stability of the TL431AIP make it suitable for precision measurement equipment where accurate voltage references are critical.

Conclusion of TL431AIP

The TL431AIP from Texas Instruments is a versatile and reliable adjustable shunt voltage reference IC. Its wide adjustable voltage range, high output current, and precision make it suitable for a variety of applications, from power supplies to precision measurement equipment. Despite its obsolete status, the TL431AIP remains a valuable component for legacy systems and applications where its specific features are required. Its compliance with environmental and regulatory standards ensures its suitability for modern electronics. For engineers and designers seeking a robust and precise voltage reference, the TL431AIP is a proven choice.

TL431AIP Documents

Download datasheets and manufacturer documentation for TL431AIP

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification (PDF)      

Product Catalogs :

431 Device Nomenclature (Rev. B)      

Technical Resources :

TL431x, TL432x TINA-TI AC Reference Design       TL431x, TL432x TINA-TI Transient Reference Design      

SPICE Models :

SPICE Model of TL431       TL431x, TL432x TINA-TI Transient & AC Spice Model       TL431 Family Unencrypted PSpice Transient and AC Model (Rev. B)