The TL431BIPK from Texas Instruments is a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This precision programmable reference device offers an output voltage range that can be set to any value between Vref (approximately 2.495 volts) and 36 volts with two external resistors.

Key Features

• Adjustable Output Voltage: The TL431BIPK can be programmed from Vref up to 36V with only two external resistors, offering flexibility for a wide range of applications.
• High Accuracy: This device features a typical output voltage tolerance of ±0.5%, ensuring precise voltage regulation for sensitive electronics.
• Low Operational Current: It operates with a typical dynamic impedance of 0.22Ω, ensuring efficiency and low power consumption.
• Temperature Compensated: The TL431BIPK is compensated for temperature variations, maintaining stability across a range of operating conditions.

Applications

The versatile nature of the TL431BIPK makes it suitable for a wide array of applications, including:

• Power supplies
• Switching power supplies
• Linear regulators
• Adjustable precision zener shunt regulator
• Voltage reference in precision applications

Package and Quality

The TL431BIPK comes in a TO-92 plastic package, which is lead-free and RoHS compliant, ensuring adherence to current environmental standards. Texas Instruments is known for its commitment to quality, and this product is no exception, providing reliable performance for critical system requirements.

Support and Resources

Designers and engineers can access extensive support through Texas Instruments' online resources, including datasheets, application notes, and simulation tools to facilitate the integration of the TL431BIPK into their projects.