Diodes Incorporated AZ431AZ-BTRG1 - Programmable Precision Shunt Regulator

The AZ431AZ-BTRG1 from Diodes Incorporated is a three-terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 100mA. The output voltage can be set to any value between Vref (approximately 2.5V) and 36V with two external resistors. This component provides a solution for a wide range of applications, from adjustable power supplies to precision voltage references.

With a typical dynamic output impedance of 0.2 ohms, the AZ431AZ-BTRG1 ensures a stable voltage supply even with varying loads. The device features a low output noise, which is particularly beneficial for sensitive electronics where noise can cause significant issues. Additionally, its low operational cathode current contributes to the high efficiency of the system it is integrated into.

One of the key features of the AZ431AZ-BTRG1 is its sharp turn-on characteristics, making it an excellent replacement for Zener diodes in many applications where improved output voltage precision is needed. It's also characterized by a broad operating temperature range from -40°C to +85°C, ensuring reliable performance under various environmental conditions.

The AZ431AZ-BTRG1 comes in a surface-mount SOT-23 package, which is ideal for automated assembly processes and applications where space is at a premium. The compact form factor, combined with its robust design, makes it a versatile choice for high-density circuit designs.

Applications for the AZ431AZ-BTRG1 are diverse and include power supplies, battery chargers, switch-mode power supplies, and precision voltage regulators. Its programmability and accuracy make it suitable for use in consumer electronics, automotive systems, and industrial controls where a stable and precise voltage reference is crucial.

Overall, the AZ431AZ-BTRG1 shunt regulator is a reliable and flexible component that offers designers a high-performance solution for a variety of voltage regulation tasks. Its combination of features ensures that it can meet the needs of even the most demanding applications.