Diodes Incorporated AP431YG-13R Voltage Reference IC

The AP431YG-13R from Diodes Incorporated is a precision voltage reference IC that provides a stable reference voltage for precision circuit applications. This three-terminal adjustable shunt regulator is a versatile component that is ideal for use in power supplies, battery chargers, and voltage monitoring systems where accurate voltage control is crucial.

Constructed with advanced silicon technology, the AP431YG-13R offers excellent temperature stability and low dynamic output impedance, ensuring consistent performance across a wide range of operating conditions. Its output voltage can be set to any value between V<sub>REF (approximately 2.5V) and 36V with two external resistors. This flexibility makes the AP431YG-13R suitable for a variety of applications that require precise voltage regulation.

Key features of the AP431YG-13R include:

• Adjustable Output Voltage: The device provides an adjustable output voltage from 2.5V to 36V, which can be set using external resistors.
• Low Voltage Operation: With a minimum cathode current requirement of just 0.4mA, the AP431YG-13R is optimized for low voltage operations.
• High Accuracy: It offers a typical output voltage accuracy of ±2%, ensuring reliable and precise voltage reference for your circuits.
• Thermal Stability: The temperature coefficient is typically 50ppm/°C, which means the output voltage remains stable over a wide temperature range.
• Low Dynamic Output Impedance: The dynamic output impedance of 0.2 ohms (typical) provides stable reverse breakdown voltage.

The AP431YG-13R is available in a compact SOT-23 package, which is suitable for high-density PCB layouts and is ideal for space-constrained applications. The package is also lead-free and RoHS compliant, ensuring that it meets contemporary environmental standards for electronic components.

Whether you are designing a new power supply or looking to improve the performance of an existing system, the AP431YG-13R from Diodes Incorporated provides the accuracy, stability, and flexibility needed to meet your voltage reference requirements.