TLVH431BILPR Adjustable Precision Shunt Regulator from Texas Instruments

The TLVH431BILPR from Texas Instruments is a low-voltage three-terminal adjustable shunt regulator with a specified thermal stability over applicable automotive, commercial, and military temperature ranges. This versatile component is designed to offer a performance upgrade to the popular TL431 and TLV431 series of shunt regulators with improved voltage reference tolerance and lower operational voltage.

With an output voltage range that can be set to any value between Vref (approximately 1.24 volts) and 18 volts with two external resistors, the TLVH431BILPR provides excellent design flexibility. This device can be used in numerous applications, including adjustable voltage references, precision current limiters, battery chargers, and switch-mode power supplies.

The TLVH431BILPR features a typical dynamic output impedance of 0.22 ohms. The active output circuitry provides a very sharp turn-on characteristic, making this device an excellent replacement for Zener diodes in many applications such as on-board regulation and adjustable power supplies.

Key specifications of the TLVH431BILPR include:

• Adjustable output voltage: Vref to 18V
• Low dynamic output impedance: 0.22 ohms typical
• Guaranteed thermal stability over applicable temperature ranges
• Low voltage operation down to 1.24V
• Fast turn-on response

The TLVH431BILPR is offered in a small 5-pin SOT-23 package, which is ideal for space-constrained applications. The device's small form factor, combined with its high accuracy and low power consumption, makes it a perfect choice for portable and battery-powered electronics where efficiency is key.

Overall, the TLVH431BILPR adjustable precision shunt regulator is a highly reliable and versatile component that enhances the performance of a wide range of applications. Its precision voltage reference and low operational voltage capabilities make it a go-to solution for designers looking to improve the performance and flexibility of their power management systems.