The AZ431AZ-A is a precision adjustable shunt regulator manufactured by BCD Semiconductor Manufacturing Limited. It is designed to act as a programmable voltage reference and is commonly used in various electronic circuits for voltage regulation and control.

Applications

• Voltage monitoring
• Precision voltage references
• Error amplifiers in switching power supplies
• Linear regulators
• Overvoltage protection circuits
• Adjustable power supplies

Features

• Programmable Output Voltage: The output voltage can be set to any value between Vref (2.5V) and 36V with two external resistors.
• Low Dynamic Output Impedance: Ensures stable operation and accurate voltage regulation.
• Sink Current Capability: Can sink current from 1mA to 100mA.
• Sharp Turn-On Characteristics: Provides precise switching behavior.
• Low Temperature Coefficient: Ensures stable operation over a wide temperature range.
• Available in TO-92 package

Benefits

• Precise Voltage Regulation: Provides accurate and stable voltage regulation in various applications.
• Flexible Output Voltage: The programmable output voltage allows for customization to meet specific requirements.
• Reliable Performance: Low dynamic output impedance and temperature coefficient ensure stable operation.
• Simplified Design: Requires minimal external components.
• Cost-Effective Solution: Offers high performance at a competitive price.

Additional Details

The AZ431AZ-A requires only two external resistors to set the output voltage. Its low dynamic output impedance ensures stable operation and accurate voltage regulation. It is widely used in switching power supplies as an error amplifier and in linear regulators to provide a stable reference voltage. The TO-92 package is suitable for through-hole mounting. It is often used in applications where accuracy and stability are critical. The device's ability to sink current makes it versatile for various electronic designs.