ON Semiconductor TL431BCDR2 Precision Programmable Reference

The TL431BCDR2 is a versatile, precision programmable voltage reference from ON Semiconductor. This three-terminal adjustable shunt regulator is highly acclaimed for its reliability and ease of use in a wide array of electronic applications. The device features a guaranteed temperature stability over the entire operating temperature range, which makes it an ideal choice for precision voltage regulation and ensures consistent performance.

With its output voltage range that can be set to any value between Vref (approximately 2.495 V) and 36 V with two external resistors, the TL431BCDR2 offers designers flexibility in their circuit designs. This allows for custom voltage levels to be created, catering to specific needs within a circuit. The device is capable of sourcing up to 100 mA, making it suitable for a variety of applications that require a steady reference voltage.

The TL431BCDR2 comes in a small-outline transistor (SOT-23) package, which is ideal for space-constrained applications. Its compact form factor is highly valued in modern electronic products where space is at a premium. Moreover, the device is characterized for operation from -40°C to +85°C, ensuring reliable operation across a broad range of environmental conditions.

Applications of the TL431BCDR2 are diverse and include power supplies, battery chargers, notebook computers, and adjustable regulators. Its precision and programmability also make it a suitable component for voltage monitoring and control in consumer, industrial, and automotive electronics.

ON Semiconductor has designed the TL431BCDR2 with performance in mind. Its low output noise, low dynamic output impedance, and fast turn-on response make it an excellent choice for high-performance applications. Furthermore, the device's typical output impedance of 0.2 ohms provides stable reverse current operation, which is a critical feature for shunt regulators.

Overall, the TL431BCDR2 is a highly reliable and efficient solution for any application requiring a precise voltage reference. Its combination of flexibility, stability, and compact packaging makes it an essential component for designers looking to create sophisticated electronic systems.