The TLVH431AIPK from Texas Instruments is a low-voltage three-terminal adjustable precision shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This regulator is designed for use in a wide variety of applications, including power supplies and on-board regulation, and is particularly well-suited for use in low-voltage and battery-operated systems.

Key Features

• Adjustable Output Voltage: This device features an output voltage range from V<sub>ref to 36V with two external resistors.
• Low Dynamic Output Impedance: The TLVH431AIPK provides a low output impedance of 0.2Ω, which enhances its stability and load regulation performance.
• Low Reference Voltage: The device offers a reference voltage of 1.24V, ensuring precision regulation for low-voltage applications.
• Wide Operating Current Range: It operates from a minimum cathode current of 0.4mA to a maximum of 70mA, making it versatile for various circuit configurations.
• Temperature Compensated: The TLVH431AIPK is temperature-compensated and features a typical temperature drift of only 50ppm/°C, ensuring reliable performance across a wide temperature range.
• Package Options: Available in multiple package options, including the small outline transistor (SOT-23) and the 8-pin small outline integrated circuit (SOIC).

Applications

• Adjustable power supplies
• Battery chargers
• Switching power supplies
• Linear regulators
• Notebook/desktop computers
• Automotive systems
• Instrumentation

The TLVH431AIPK is a robust and reliable solution for designers requiring a precision voltage reference or regulator that is easy to adjust. Its low voltage operation and stability under varying conditions make it an excellent choice for modern electronic applications.