The TL431AIDCKT from Texas Instruments is a highly precise programmable voltage reference with a specified thermal stability over applicable automotive, commercial, and military temperature ranges. This three-terminal adjustable shunt regulator is a versatile device that can be used in a wide array of voltage regulation applications where a precision reference is required.

With an output voltage range that can be set to any value between Vref (approximately 2.495 V) and 36 V with two external resistors, this device offers excellent flexibility. The TL431AIDCKT features a typical dynamic output impedance of 0.2 ohms. A stable and precise reference voltage is ensured by the combination of a sharp turn-on characteristic, low output noise voltage, and low dynamic output impedance.

Encased in a small SC70 (SOT-323) surface-mount package, the TL431AIDCKT is designed for space-constrained applications. Its compact form factor makes it suitable for high-density electronic systems and portable devices. The device operates over a current range of 1 mA to 100 mA, with a typical temperature coefficient reported as 50 ppm/°C, ensuring reliable performance across various conditions.

Key features of the TL431AIDCKT include:

• Adjustable output voltage from 2.495 V to 36 V
• Low dynamic output impedance: 0.2 ohms typical
• Output current capability from 1 mA to 100 mA
• Typical temperature coefficient of 50 ppm/°C
• Fast turn-on response and low noise
• SC70 (SOT-323) package for space-saving applications

This device is ideal for power supplies, battery chargers, and other electronic circuits that require a high-quality reference voltage source. Whether in consumer electronics, automotive systems, or industrial instruments, the TL431AIDCKT provides the performance and reliability expected from a leading semiconductor manufacturer like Texas Instruments.