Diodes Incorporated AP431G: Adjustable Precision Shunt Regulator

The AP431G is a high-performance adjustable precision shunt regulator from Diodes Incorporated, designed to provide a reliable and flexible solution for voltage reference and regulation needs across a wide array of electronic applications. This versatile component is ideal for use in power supplies, battery chargers, and voltage monitoring systems, thanks to its stability and precision.

Key Features

• Precision Reference: The AP431G offers a default reference voltage of 2.5V, which can be adjusted from 2.5V to 36V by connecting an external resistive divider. This allows for flexible design options to meet specific circuit requirements.
• High Accuracy: With an initial accuracy of 0.5%, the AP431G provides precise voltage regulation, ensuring consistent performance and reliability for sensitive electronic circuits.
• Low Dynamic Output Impedance: Its dynamic output impedance of 0.2 ohms, combined with a fast turn-on response, makes the AP431G suitable for applications requiring a stable voltage supply under varying load conditions.
• Wide Operating Current Range: The device operates with a wide current range from 1 mA to 100 mA, making it versatile for a range of low-power and medium-power applications.
• Temperature Stability: The shunt regulator's performance is consistent across a broad temperature range, ensuring reliability and stability in various operating environments.

Applications

• Switching power supplies
• Linear power supplies
• Battery-powered equipment
• Reference voltage sources
• Data acquisition systems

Package and Quality

The AP431G is offered in a variety of packages, including the small-outline transistor (SOT-23) and the small-outline package (SOP), providing flexibility for different design layouts and space constraints. Diodes Incorporated ensures that this product meets stringent quality standards, with devices that are characterized for operation from -40°C to +85°C, catering to a broad range of industrial and commercial applications.

Conclusion

In conclusion, the Diodes Incorporated AP431G adjustable precision shunt regulator is a versatile and reliable component that offers precise voltage regulation, high accuracy, and stable performance across a range of temperatures and operating conditions. Its adjustable nature and small form factor make it an excellent choice for a wide variety of electronic applications that require a high-quality voltage reference or regulator.