The TL431IZ from STMicroelectronics is a versatile and precision shunt voltage reference IC, offering excellent stability and low dynamic impedance. This three-terminal adjustable regulator is commonly used in a wide range of voltage regulation and power supply applications, making it a staple component in the electronics industry.

Key Features

• Adjustable Output Voltage: The output voltage can be set to any value from 2.495V to 36V with two external resistors.
• Low Temperature Coefficient: Boasting a typical temperature coefficient of only 50ppm/°C, the TL431IZ ensures stable operation over a wide temperature range.
• High Precision: This device offers a typical output voltage tolerance of ±0.5% at 25°C, making it highly precise for critical applications.
• Low Dynamic Output Impedance: With a dynamic output impedance of 0.2 ohms, the device provides stable reverse current operation.
• Wide Operating Current Range: The TL431IZ operates with a current range from 1mA to 100mA, providing flexibility in various applications.

Applications

• Power Supply Control
• Series and Shunt Regulator
• Switching Power Supplies
• Linear Power Supplies
• Adjustable Power Supplies
• Battery Chargers
• Voltage Monitoring
• Automotive Electronics

Product Specifications

Parameter Value Reference Voltage 2.495V to 36V Temperature Coefficient 50ppm/°C Output Voltage Tolerance ±0.5% Operating Current Range 1mA to 100mA Package TO-92

The TL431IZ is a reliable and flexible solution for designers looking to implement a stable voltage reference with ease of adjustability. Its precision and robustness make it a go-to choice for a multitude of electronic applications.