NXP TL431AIDBZR,215 High‑Precision Adjustable Shunt Regulator (±1 % B‑Grade, SOT‑23)

The NXP TL431AIDBZR,215 is a high-precision, three-terminal shunt voltage reference available in a compact SOT‑23‑3 (TO‑236‑3) surface-mount package. As the A‑grade version of the TL431 family, it delivers ±1 % initial reference accuracy, adjustable from the internal 2.495 V reference up to 36 V using two external resistors. Its robust, reliable, and ideal for demanding industrial, telecom, and power‑management applications.

Unique Features and Benefits of this Voltage Reference

• Initial Accuracy ±1 %: A‑Grade precision ensures tight voltage regulation and superior performance in error‑sensitive systems.
• Adjustable Output (2.495 V to 36 V): Provides flexibility across diverse design applications.
• Shunt Current Range: Supports 600 µA minimum to 100 mA maximum sink current, suitable for reference or comparator use.
• Operating Temperature –40 °C to +85 °C: Ensures reliable performance across industrial environments.
• Low Output Impedance (~0.2 Ω): Enhances stability and noise immunity.
• Low Output Noise: Essential for high-precision analog circuits.

Why Choose this Product?

The TL431AIDBZR stands out for its industry-grade performance, combining accuracy, adjustable range, low-noise operation, and compact packaging. Whether you’re designing precision regulators, SMPS error amplifiers, voltage comparators, or reference circuits, this A-grade shunt regulator excels in tight feedback loops and high-reliability applications.