ON Semiconductor TL431BVDR2G Adjustable Precision Shunt Regulator

The ON Semiconductor TL431BVDR2G is a three-terminal adjustable shunt regulator with specified thermal stability over a full operating temperature range. This versatile device is a critical component for a wide range of applications, including power supplies, battery chargers, and voltage monitoring systems. Its design is optimized for ease of use and flexibility, making it a popular choice among engineers and designers for creating stable and reliable electronic systems.

The TL431BVDR2G features a Vref precision of 2.495 V, with an impressive accuracy of ±0.5% at 25°C, and ±1% across the full operating temperature range of -40°C to +85°C. This precision enables the device to provide a stable voltage reference under varying conditions, which is essential for maintaining the performance of sensitive electronic circuits.

One of the key advantages of the TL431BVDR2G is its adjustable output voltage, which can be set to any value between Vref (approximately 2.495 V) and 36 V with the use of two external resistors. This flexibility allows designers to tailor the output to meet specific requirements, making it an invaluable component for a multitude of applications.

The device is offered in a small SOT-23 surface mount package, which is ideal for space-constrained applications. Its compact size does not compromise its performance, as the TL431BVDR2G can handle continuous cathode currents from 1 mA to 100 mA. This range of current capability, along with its fast turn-on response, makes it suitable for use in switching power supplies and other applications requiring a fast response time.

Safety and reliability are also key features of the TL431BVDR2G. It includes overtemperature, overcurrent, and short-circuit protection, ensuring that it operates safely under a variety of conditions. Its robust design is engineered to meet the stringent requirements of the automotive industry, and it is AEC-Q100 qualified for automotive applications.

In summary, the ON Semiconductor TL431BVDR2G is a highly precise, adjustable shunt regulator that offers excellent thermal stability, a wide operating temperature range, and the flexibility needed for a broad array of applications. Its small form factor, coupled with its high level of protection features, makes it an ideal choice for designers looking to incorporate a reliable voltage reference into their electronic designs.