Diodes Incorporated AZ431BN-BTRE1: Precision Programmable Shunt Regulator

The AZ431BN-BTRE1 from Diodes Incorporated is a highly reliable, precision programmable shunt regulator designed for an array of applications requiring voltage reference or regulation. This versatile component is a three-terminal adjustable regulator with a guaranteed thermal stability over a full operation range. It offers excellent flexibility by allowing the user to set the output voltage through two external resistors.

With a typical dynamic output impedance of 0.2 ohms, the AZ431BN-BTRE1 ensures stable reverse current operation, making it an ideal choice for precision voltage regulation. Its output voltage can be set to any value between Vref (approximately 2.5 volts) and 36 volts with two external resistors. This feature makes it a suitable candidate for applications that require a custom reference voltage.

The shunt regulator operates over a wide current range from 1 mA to 100 mA, providing sufficient headroom for secondary regulation in complex circuits. The component is characterized for operation from -40°C to +85°C, ensuring reliable performance in a wide range of environments and applications, including power supplies, battery chargers, and voltage monitoring systems.

Engineered for high accuracy, the AZ431BN-BTRE1 boasts a low output noise voltage for applications that demand a clean voltage reference. It also comes with a low deviation over temperature variations, which is crucial for maintaining voltage precision across different operating conditions.

Furthermore, the AZ431BN-BTRE1 is offered in a small outline transistor (SOT-23) package, making it suitable for high-density electronic assemblies. Its small footprint allows for efficient use of PCB space without compromising performance.

Whether you're designing a sophisticated power management system or a simple voltage regulator circuit, the AZ431BN-BTRE1 from Diodes Incorporated provides a reliable and flexible solution to meet your voltage reference needs. Its precision, ease of use, and robustness make it a valuable component for engineers and designers alike.