The LMV431CM5X from Texas Instruments is a precision low-voltage shunt regulator that is designed for use in a variety of applications where voltage calibration and temperature stability are essential. This adjustable shunt regulator features a low threshold voltage of 1.24V, with an adjustable output voltage from Vref to 10V.

Key Features

• Voltage Precision: The device offers excellent voltage precision with a typical temperature coefficient of only 50 ppm/°C, ensuring reliable performance over a wide temperature range.
• Low Dynamic Output Impedance: With a dynamic output impedance of 0.2Ω (typical), the LMV431CM5X provides stable reverse voltage regulation over a range of operating conditions.
• Adjustable Output Voltage: Users can set the output voltage from Vref up to 10V using two external resistors, offering flexibility for different design requirements.
• Low Current Consumption: The device is optimized for low current consumption, drawing only 80µA (typical) which makes it suitable for battery-operated and low-power applications.

Applications

The LMV431CM5X is versatile, making it suitable for a wide array of applications, including:

• Adjustable power supplies
• Battery chargers
• Switching power supplies
• Motor control systems
• Precision voltage regulation circuits

Package and Quality

This shunt regulator is offered in a small SOT-23 package, which is ideal for space-constrained applications. The LMV431CM5X is also characterized for operation from −40°C to 125°C, ensuring reliable performance in extreme conditions. Texas Instruments is renowned for its commitment to quality, and this product is no exception, meeting high industry standards for performance and reliability.

Conclusion

The LMV431CM5X shunt regulator from Texas Instruments is a highly precise, adjustable, and reliable solution for applications requiring voltage regulation. With its low voltage operation, adjustable output, and small form factor, it is an excellent choice for designers looking to optimize their power management systems.