Texas Instruments

TL431AQDBZT

TL431AQDBZT Description

The TL431AQDBZT from Texas Instruments is a high-precision, adjustable shunt voltage reference designed for surface-mount applications. Packaged in a compact SOT23-3 form factor and supplied in Tape & Reel (TR), it offers an output voltage range of 2.495V to 36V with a tight ±1% tolerance, ensuring reliable performance in precision circuits. With a 100 mA output current capability and a low cathode current of 700 µA, it excels in efficiency and stability. The device is RoHS3 compliant, REACH unaffected, and rated for MSL 1 (Unlimited), making it suitable for industrial and commercial environments.

TL431AQDBZT Features

• Adjustable Output Voltage (2.495V–36V): Enables flexible design integration for diverse voltage regulation needs.
• High Precision (±1% Tolerance): Ensures accurate voltage referencing for sensitive applications.
• Low Cathode Current (700 µA): Reduces power consumption, ideal for energy-efficient systems.
• 100 mA Output Current: Supports higher load demands compared to standard shunt references.
• Wide Operating Range: Suitable for industrial, automotive, and consumer electronics.
• Surface-Mount (SOT23-3) Package: Compact footprint for space-constrained PCB designs.
• Robust Compliance: RoHS3, REACH, and ECCN EAR99 certified for global market suitability.

TL431AQDBZT Applications

The TL431AQDBZT is ideal for:

• Voltage Regulation: Precision feedback control in switch-mode power supplies (SMPS) and linear regulators.
• Battery Management Systems: Voltage monitoring and cutoff circuits in portable devices.
• Industrial Control: Reference voltage for ADCs, DACs, and sensor interfaces.
• Automotive Electronics: Stable voltage sourcing in infotainment and engine control units.
• Consumer Electronics: Used in LED drivers, audio amplifiers, and power adapters.

Conclusion of TL431AQDBZT

The TL431AQDBZT stands out for its adjustability, precision, and efficiency, making it a versatile choice for voltage reference and regulation across industries. Its low power consumption, high output current, and robust packaging address modern design challenges, while compliance with RoHS3 and REACH ensures environmental and regulatory compatibility. Engineers can leverage its performance in power supplies, automotive systems, and industrial controls, where reliability and accuracy are critical.