Product Overview: Texas Instruments TL431ACDCKR

The Texas Instruments TL431ACDCKR is a highly versatile, precision programmable reference voltage regulator designed for use in a multitude of electronic applications. This three-terminal adjustable shunt regulator comes in a compact SC-70 package, making it suitable for space-constrained applications. With its adjustable output voltage range from 2.495 V to 36 V, it provides excellent flexibility to match the needs of various circuits.

The TL431ACDCKR offers impressive accuracy and stability, boasting a typical temperature coefficient of only 50 ppm/°C, which ensures a consistent performance over a wide temperature range. This precision is further enhanced by its 0.5% tolerance at 25°C, making it an ideal choice for high-accuracy voltage regulation tasks.

One of the key features of the TL431ACDCKR is its low output noise, which is crucial for sensitive electronics where noise can significantly impact performance. This characteristic, combined with its fast turn-on response, makes it particularly well-suited for power supply and voltage regulation circuits in consumer electronics, industrial control systems, and precision instrumentation.

The device operates over a current range from 1 mA to 100 mA with a typical dynamic impedance of 0.22 Ω, providing efficient operation and good transient response. This shunt regulator is also capable of driving optocouplers in isolated feedback configurations for power supplies, which is often required in safety-critical applications.

For protection and reliability, the TL431ACDCKR features overcurrent protection, ensuring that the device remains safe under abnormal operating conditions. The temperature range of operation for this device spans from -40°C to 85°C, allowing for reliable operation in diverse environments.

In summary, the Texas Instruments TL431ACDCKR is a highly reliable and precise adjustable shunt regulator that offers designers a compact and flexible solution for maintaining stable voltages in their electronic designs. Its combination of accuracy, low noise, and protection features makes it a go-to component for engineers looking to create stable and robust systems.