TLVH431AQDBVR

Overview

The TLVH431AQDBVR is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of up to 20 V and provides an adjustable output voltage from 1.24 V to 18 V. The device features an initial accuracy of 1% and a temperature coefficient of 138 PPM/°C. It supports a maximum cathode current of 80 mA with a minimum operating current of 80 µA. Designed for automotive applications, it functions reliably across an extended temperature range from -40°C to +125°C. The component is housed in a compact SOT-23-5 surface-mount package.

Feature Summary

• Automotive-grade reliability compliant with AEC-Q100 standards
• Low-voltage operation suitable for battery-powered systems
• Wide operating current range enabling efficient regulation at low loads

Applications

• Battery management systems
• Portable electronic devices
• Automotive electronics

Procurement Notes

Verify the specific suffix 'Q' confirms automotive qualification status against the official datasheet. Ensure the 'DBVR' suffix matches the required SOT-23-5 package and reel packaging specifications. Confirm RoHS compliance details directly from the manufacturer's documentation prior to procurement.

Selection Notes

Select this component when automotive qualification is mandatory for low-voltage reference applications. Compare the 138 PPM/°C temperature coefficient against stricter requirements found in other series variants. Evaluate the 80 mA maximum cathode current limit to ensure compatibility with the target circuit's load demands.

Part Context

This part belongs to the TLVH431 family of low-voltage adjustable shunt regulators. It serves as a specialized automotive-grade alternative to standard industrial references, offering enhanced thermal stability and reliability for harsh environments while maintaining a compact footprint.

Replacement Considerations

TLVH431BQDBVR offers higher 0.5% accuracy. TLVH431IDBVR provides wider operating current ranges.