NJM431E

Voltage Reference Nisshinbo Micro Devices NJM431E Overview

The NJM431E by Nisshinbo Micro Devices is a highly precise adjustable shunt voltage reference IC, designed to cater to a diverse range of applications requiring tight voltage regulation and stability. Known for its versatility and reliability, this device offers adjustable output from a nominal voltage of 2.5V, which can be set to any value between 1.24V to 18V via external resistors, providing flexibility across various design needs. The IC also maintains a low temperature coefficient and an impressive 2.2% precision tolerance, ensuring consistent performance across a wide range of operating conditions.

NJM431E Features

The NJM431E incorporates several notable features that make it a go-to component for precision voltage regulation:

• Adjustable output voltage ranging from 1.24V to 18V.
• Low dynamic output impedance which enhances load regulation.
• High stability with a temperature coefficient as minimal as 50 ppm/°C.
• Surface-mount package type SOP-8, facilitating compact PCB design.
• High precision with 2.2% initial tolerance.

NJM431E Applications

• Power Supplies: Utilized in power supply circuits to provide a stable reference voltage, essential for maintaining consistent output despite variations in input voltage or load conditions.
• Battery Chargers: Helps in precise control of charging voltages, crucial for extending battery life and efficiency.
• Data Acquisition Systems: Ensures accurate sensor readings by providing a stable reference voltage, critical for the reliability of measurements in scientific and industrial instrumentation.
• Voltage Monitoring: Used in systems that require constant monitoring and regulation of voltage, like in server rooms and telecommunications equipment.
• Portable Devices: Serves as a reference voltage source in portable devices, ensuring optimal operation under varying power conditions and temperatures.