The AZ431LBZTR-E1 is a precision programmable shunt regulator designed by Diodes Incorporated, a leading manufacturer in the semiconductor industry. This component is a three-terminal adjustable regulator with a guaranteed thermal stability over a full operation range. It functions as a replacement for zener diodes in many applications requiring an improvement in zener performance.

This versatile device features a low dynamic impedance and a wide operating voltage range, making it suitable for a variety of applications, including power supplies, battery chargers, and voltage monitoring. The AZ431LBZTR-E1 is commonly used in precision voltage regulation, ensuring that electronic devices operate within their intended voltage parameters.

Key Features

• Programmable Output Voltage: The output voltage can be set to any value between Vref (approximately 2.5 volts) and 36 volts with two external resistors.
• Low Dynamic Output Impedance: Its dynamic output impedance is 0.2 ohms, which is a typical characteristic that contributes to stable voltage regulation.
• High Stability: The device offers high stability over a wide range of environmental conditions.
• Surface Mount Package: It is available in a surface-mount SOT-89 package, which is ideal for automated assembly processes and space-constrained applications.

Applications

• Power supply systems
• Battery chargers
• Switching power supplies
• Graphic cards
• Computer motherboards
• Voltage monitoring circuits

The AZ431LBZTR-E1 is a reliable and efficient solution for designers looking to implement precise voltage regulation in their circuits. With its ease of use, stability, and flexibility, this shunt regulator is an excellent choice for a wide range of electronic applications.