ON Semiconductor LM431BIZ Adjustable Precision Zener Shunt Regulator

The ON Semiconductor LM431BIZ is a versatile, precision Zener shunt regulator that offers an excellent solution for voltage regulation needs in a wide variety of applications. This three-terminal adjustable regulator can be programmed from reference voltage of 2.5 volts to 36 volts with two external resistors. With its guaranteed temperature stability, the LM431BIZ ensures reliable operation over the full temperature range of -40°C to +85°C.

The LM431BIZ comes in a TO-92 package, which is compact and suitable for through-hole mounting, making it easy to integrate into various circuit designs. Its design is optimized for low dynamic output impedance, which provides stable reverse breakdown voltage accuracy over a wide range of currents, enhancing the performance of the regulator in the circuit.

Key features of the LM431BIZ include:

• Adjustable Output Voltage: This device can be set to any voltage in the range of 2.5V to 36V, which makes it highly flexible for different design requirements.
• Low Output Noise: It offers low output noise, which is critical for sensitive electronics where noise can cause significant issues.
• Temperature Compensated: The shunt regulator is temperature compensated, ensuring consistent performance regardless of temperature fluctuations.
• Low Dynamic Output Impedance: Its dynamic output impedance improves voltage regulation and stability.
• Fast Turn-On Response: The LM431BIZ is designed for a quick response to enable conditions, which is essential for power management applications.

Applications for the LM431BIZ are diverse and include adjustable voltage and current sources, switching power supplies, digital voltmeters, and precision voltage reference in consumer, industrial, and automotive sectors. Its reliability and precision make it an ideal choice for designers looking to implement an adjustable voltage reference or regulator in their circuits.

With the LM431BIZ, ON Semiconductor demonstrates its commitment to providing high-quality, versatile components that meet the stringent requirements of modern electronic applications. By choosing the LM431BIZ, designers can ensure stable, precise voltage regulation in their products.