The AZ431BK-BE1 is a precision adjustable shunt regulator from BCD Semiconductor Manufacturing Limited. This device is designed to function as a programmable voltage reference and is commonly used in various electronic circuits for voltage regulation and control. It can be used in numerous applications, including power supplies, instrumentation, and control systems.

Applications

• Switching Power Supplies
• Linear Regulators
• Voltage Monitoring
• Error Amplifiers
• Instrumentation
• Control Systems

Features

• Programmable Output Voltage: The output voltage can be set to any value between Vref (2.5V) and 36V using external resistors.
• Low Dynamic Output Impedance: Ensures stable operation and accurate voltage regulation.
• Sink Current Capability: Supports sink current from 1mA to 100mA.
• Low Temperature Coefficient: Provides stable operation over a wide temperature range.
• Sharp Turn-On Characteristics: Ensures precise switching behavior.
• Available in SOT-89 package.

Benefits

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

Additional Details

The AZ431BK-BE1 is designed for surface mount applications with a SOT-89 package. It operates by comparing the voltage at its reference input to an internal reference voltage, adjusting its output to maintain the desired voltage level. The use of external resistors allows for precise setting of the output voltage. Its compact size and robust design make it suitable for use in various electronic devices. It is particularly well-suited for applications requiring a stable and adjustable voltage reference in a small form factor. Its ability to maintain performance over varying temperature and load conditions makes it a reliable component in demanding environments.