The AZ432BN is a low-voltage adjustable shunt regulator. Similar to the AZ431, it provides a stable voltage reference, but it operates with a lower reference voltage, making it suitable for applications requiring lower voltage operation. It is commonly used in power supplies, voltage monitoring circuits, and instrumentation.

Applications:

• Power Supplies: Used as a voltage reference in linear and switching-mode power supplies.
• Voltage Monitoring: Implemented in circuits for over-voltage and under-voltage protection.
• Instrumentation: Employed in precision measurement and control applications.
• Battery Chargers: Provides stable voltage regulation in battery charging systems.
• LED Drivers: Found in LED driver circuits requiring precise current control.

Features:

• Adjustable Output Voltage: The output voltage can be adjusted between Vref (1.24V) and 18V using external resistors.
• Low Temperature Coefficient: Provides stable operation over a broad temperature range.
• Sharp Turn-On Characteristics: Ensures a well-defined and consistent output voltage.
• Low Dynamic Output Impedance: Maintains stable operation under varying load conditions.
• Sink Current Capability: Typically capable of sinking current ranging from 1mA to 100mA.

Benefits:

• Stable Voltage Reference: Provides a highly stable voltage reference, essential for accurate and reliable circuit performance.
• Flexibility: The adjustable output voltage enables its use in a variety of applications.
• Cost-Effective: Offers a budget-friendly solution for voltage regulation and monitoring.
• Reliable Performance: Designed for stable performance in diverse operating environments.
• Simplified Design: Requires minimal external components, which simplifies circuit design and reduces board space.

Additional Details:

The AZ432BN features a reference voltage of 1.24V. The available package is often a through-hole TO-92 package. Because this is listed as END-OF-LIFE, carefully consider its future availability before designing into new products.