Texas Instruments

TL431ACP

TL431ACP Description

The TL431ACP is a precision programmable voltage reference integrated circuit (IC) designed by Texas Instruments. This device is part of the Power Management (PMIC) category and is known for its adjustable output type, making it highly versatile for a variety of applications. The TL431ACP is housed in a through-hole package, specifically an 8DIP, and is available in a tube package format.

TL431ACP Features

• Adjustable Output Type: The TL431ACP offers an adjustable output voltage range from 2.495V to 36V, providing flexibility in voltage regulation.
• High Output Current: It can deliver up to 100 mA of output current, making it suitable for applications requiring higher current loads.
• Precision Voltage Reference: With a tolerance of ±1%, the TL431ACP ensures precise voltage regulation, critical for sensitive electronic circuits.
• Shunt Reference Type: As a shunt reference, it operates by diverting excess current away from the load, maintaining a stable output voltage.
• Low Cathode Current: The device has a low cathode current of 600 µA, which helps in minimizing power consumption.
• Wide Operating Temperature Range: The TL431ACP operates reliably within a temperature range of 0°C to 70°C (TA), making it suitable for various environmental conditions.
• Compliance and Status: The TL431ACP is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001.
• Obsolete Status: While the TL431ACP is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.

TL431ACP Applications

The TL431ACP is ideal for a range of applications due to its adjustable voltage output and precision performance. Some specific use cases include:

• Power Supply Circuits: The TL431ACP can be used in voltage regulators and power supply circuits to provide a stable reference voltage.
• Battery Management Systems: Its precision and adjustable output make it suitable for battery charging and monitoring applications.
• Industrial Control Systems: The wide operating temperature range and high output current capability make it ideal for industrial control systems where reliability and precision are paramount.
• Consumer Electronics: The TL431ACP can be employed in consumer electronics for voltage regulation and power management tasks.
• Legacy Systems: Given its obsolete status, the TL431ACP is particularly valuable for maintaining and upgrading legacy systems that rely on its specific features.

Conclusion of TL431ACP

The TL431ACP from Texas Instruments is a robust and versatile precision programmable voltage reference IC. Its adjustable output voltage, high output current, and precise tolerance make it a reliable choice for a variety of applications, from power supply circuits to industrial control systems. Despite its obsolete status, the TL431ACP remains a valuable component for maintaining legacy systems and applications where its unique features are essential. Its compliance with REACH and ROHS3 standards ensures it meets environmental and safety requirements, making it a responsible choice for modern electronics.