The AP431ARA is a highly versatile and reliable adjustable precision shunt regulator designed by Diodes Incorporated. This component is an integral part of a wide range of electronic applications, thanks to its stability and precision in voltage regulation. It offers a solution for adjustable voltage references in various configurations, from simple shunt regulators to complex programmable output regulators, making it a staple in power supply design.

Key Features

• Precision Reference Voltage: The AP431ARA provides a default reference voltage of 2.5V, which can be adjusted from 2.5V to 36V by connecting an external resistor divider, offering flexibility for different circuit requirements.
• Low Dynamic Output Impedance: With a typical output impedance of 0.2 ohms, the device ensures stable voltage supply even with load variations, contributing to the reliability of the overall system.
• High Current Capability: This regulator can handle a continuous current of up to 100mA, making it suitable for a broad range of applications.
• Temperature Stability: The AP431ARA features excellent thermal stability, with a typical temperature coefficient of only 50ppm/°C, ensuring consistent performance across a wide temperature range.
• Wide Operating Temperature Range: The device operates effectively across a temperature range of -40°C to +85°C, accommodating various environmental conditions.

Applications

The flexibility and reliability of the AP431ARA make it ideal for use in numerous applications, including:

• Adjustable power supplies
• Switching power supplies
• Battery chargers
• Motor control circuits
• Reference voltage sources for precision circuits

Quality and Reliability

Diodes Incorporated is known for its commitment to quality, and the AP431ARA is no exception. It is manufactured to meet the highest industry standards, ensuring both consistent performance and durability. This shunt regulator is a reliable component that can be counted on for long-term stability and operation in a variety of electronic products and systems.