The TL431AIPK3 from Texas Instruments is a precision programmable reference that is a staple in the industry for voltage regulation. This versatile three-terminal shunt regulator diode offers excellent temperature stability and output current handling capability, making it a reliable choice for a wide range of applications.

Key Features

• Adjustable Output: The output voltage can be set to any value from Vref (approximately 2.495 V) to 36 V with two external resistors. This feature provides flexibility in application design.
• Low Output Noise: It features a low output noise, which is critical for precision electronics where noise can significantly affect performance.
• Temperature Compensated: The TL431AIPK3 includes built-in temperature compensation that ensures stable operation over a wide temperature range of -40°C to 85°C.
• High Precision: It offers a typical output impedance of 0.2 ohms, contributing to its high precision in voltage regulation.
• Sink Current Capability: The device can handle a wide range of currents, from 1 mA to 100 mA, which allows for flexible design options.

Applications

The TL431AIPK3 is suitable for various applications, including:

• Adjustable power supplies
• Voltage monitoring
• Switch-mode power supplies (SMPS)
• Battery chargers
• Motor control
• Automotive systems
• Consumer electronics

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the TL431AIPK3 is no exception. It is designed to meet the stringent requirements of the industrial and automotive markets, ensuring reliable performance in even the most demanding environments.

Package and Availability

The device is available in a TO-92 package, which is widely used and recognized for its ease of integration into various circuits. It is also available in other package options to suit different application needs. For pricing, availability, and ordering information, please visit the Texas Instruments website or contact an authorized distributor.