The LR12K4-G is a precision, low-power, adjustable shunt voltage reference from Microchip Technology, a leader in microcontroller, mixed-signal, analog, and Flash-IP solutions. This device is designed for a wide range of applications, including power supply monitoring, battery chargers, energy meters, and automotive electronics.

Key Features

• Adjustable Output Voltage: The LR12K4-G offers an output voltage that can be set from 1.24V to 10V with external resistors, providing flexibility for various design requirements.
• Low Dynamic Impedance: With a dynamic impedance of less than 0.2 ohms, the device is capable of stable output even with load variations, making it ideal for precision applications.
• Low Temperature Coefficient: The device features a low temperature coefficient, ensuring consistent performance over a wide temperature range (-40°C to +125°C).
• Wide Operating Current Range: The LR12K4-G operates with a current range from 60 µA to 12 mA, providing designers with a versatile solution for various current demands.
• High Accuracy: With an initial accuracy of 0.5%, the device ensures precise voltage reference for critical applications.

Applications

• Power supply monitoring
• Battery chargers
• Energy meters
• Automotive electronics
• Portable and battery-powered equipment

Package and Availability

The LR12K4-G voltage reference is available in a compact TO-92 package, making it suitable for space-constrained applications. It is also available in large quantities for industrial-scale projects, ensuring that product availability aligns with project demands.

Conclusion

With its high accuracy, adjustable output voltage, and low power consumption, the LR12K4-G from Microchip Technology stands out as a reliable and versatile voltage reference solution for designers and engineers looking to enhance the performance and stability of their electronic systems.