The AZ431BR-B is a three-terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 100mA. Manufactured by Diodes Incorporated, this precision regulator is a versatile component suitable for a wide range of voltage regulation applications, from simple adjustable power supplies to complex feedback loops in precision analog circuits.

Key Features:

• Adjustable Output Voltage: The output voltage can be set to any value between Vref (approximately 2.5V) and 36V with two external resistors.
• High Precision: Features a typical output voltage accuracy of ±0.5% at 25°C, ensuring reliable and consistent performance.
• Low Dynamic Output Impedance: The dynamic output impedance is typically 0.2 ohms, a characteristic that enhances the regulator's ability to maintain a stable voltage under varying load conditions.
• Temperature Stability: With a temperature coefficient typically as low as 50ppm/°C, the AZ431BR-B maintains its accuracy over a wide temperature range.
• Sink Current Capability: Capable of sinking current up to 100mA, making it suitable for a variety of applications that require a high-current shunt regulator.
• Low Operational Cathode Current: Has a low operational current ranging from 0.4 to 10mA, contributing to the efficiency of the overall system.

Applications:

The AZ431BR-B is ideal for use in a multitude of applications that require a stable and adjustable voltage reference, such as:

• Power Supplies
• Battery Chargers
• Switching Power Supplies
• Motor Control Circuits
• Analog Circuits Requiring Precision Voltage References

Package and Quality:

Diodes Incorporated offers the AZ431BR-B in a variety of packages, including the small outline transistor (SOT-23) package, which is suitable for automated surface-mount assembly processes. The device is RoHS compliant and meets the requirements for lead-free soldering, reflecting Diodes Incorporated's commitment to environmental sustainability. Additionally, the AZ431BR-B is supported by a comprehensive set of technical documentation and application notes, simplifying the design-in process for engineers.