onsemi

TL431ACZ

TL431ACZ Description

The TL431ACZ is a precision adjustable shunt voltage reference IC, designed to provide a highly accurate and stable reference voltage for a variety of electronic applications. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a TO92-3 package. The TL431ACZ features an adjustable output voltage ranging from 2.495V to 36V, with a typical temperature coefficient of 50ppm/°C, ensuring minimal drift over temperature variations. It offers a tolerance of ±1%, making it suitable for applications requiring high precision.

TL431ACZ Features

• Adjustable Output Voltage: The TL431ACZ provides a wide adjustable output voltage range from 2.495V to 36V, making it versatile for various applications.
• High Precision: With a tolerance of ±1%, the TL431ACZ ensures high accuracy in voltage reference applications.
• Low Temperature Coefficient: The typical temperature coefficient of 50ppm/°C ensures minimal voltage drift over temperature variations, enhancing stability.
• High Output Current: The device can handle up to 100mA of output current, making it suitable for applications requiring higher current capabilities.
• Low Cathode Current: The TL431ACZ operates with a low cathode current of 1mA, reducing power consumption and improving efficiency.
• Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of integration into printed circuit boards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the TL431ACZ is suitable for a wide range of environmental conditions without the need for special handling.
• REACH Compliance: The TL431ACZ is REACH unaffected, ensuring compliance with environmental and health regulations.

TL431ACZ Applications

The TL431ACZ is ideal for a variety of applications where a precise and stable voltage reference is required. Some specific use cases include:

• Power Supply Circuits: The adjustable output voltage and high precision make it suitable for use in voltage regulators and power supply circuits.
• Battery Management Systems: The TL431ACZ can be used to provide a stable reference voltage for battery charging and monitoring circuits.
• Analog Circuits: In precision analog circuits, the TL431ACZ can serve as a stable reference voltage source, enhancing the accuracy of the overall system.
• Instrumentation: The device is well-suited for use in precision instrumentation where accurate voltage references are critical.
• Consumer Electronics: The TL431ACZ can be used in consumer electronics to provide a stable voltage reference for various components.

Conclusion of TL431ACZ

The TL431ACZ from onsemi is a versatile and high-performance shunt voltage reference IC, offering a wide adjustable output voltage range, high precision, and low temperature coefficient. Its ability to handle up to 100mA of output current and operate with low cathode current makes it suitable for a variety of applications, including power supply circuits, battery management systems, and precision analog circuits. The through-hole mounting type and compliance with REACH regulations further enhance its usability. Despite being marked as obsolete, the TL431ACZ remains a reliable choice for applications requiring a stable and precise voltage reference.