TLVH431ACDBVRE4

Overview

The TLVH431ACDBVRE4 is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within an input 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 maximum temperature coefficient of 161 PPM/C. It supports a maximum shunt current of 80 mA with a minimum operating current of 80 uA. The component functions reliably across an extended temperature range from -40°C to +125°C and is housed in a compact SOT-23-5 surface-mount package.

Feature Summary

• Provides precise voltage regulation with adjustable output capability for flexible circuit design
• Ensures stable performance across wide industrial temperature ranges
• Offers high accuracy to maintain signal integrity in sensitive applications

Applications

• Portable battery-powered equipment requiring low standby current
• Industrial control systems needing reliable voltage references
• Automotive electronics compliant with AEC-Q100 standards

Procurement Notes

Verify the specific suffix RE4 against official Texas Instruments documentation to confirm tape-and-reel packaging and exact revision status. Ensure compatibility with existing PCB footprints for the SOT-23-5 package. Cross-reference the part number with current manufacturer lifecycle notices to confirm availability and obsolescence status before finalizing procurement plans.

Selection Notes

Select this component when designing circuits that require a precision reference with a wide operating temperature range and low voltage operation. The 1% initial accuracy makes it suitable for applications demanding tighter tolerance than standard shunt regulators. Consider the SOT-23-5 package size constraints and the 80 mA current handling capability relative to the load requirements.

Part Context

This part belongs to the TLVH431 family of low-voltage adjustable precision shunt regulators. It serves as a modern alternative to traditional Zener diodes, offering superior stability and lower noise. The family includes various packages and accuracy grades, with this specific variant optimized for automotive and industrial environments requiring robust thermal performance.

Replacement Considerations

Direct substitutes include other TLVH431 variants with compatible pinouts such as TLVH431AQDBVRQ1 or TLVH431ACDBVR. Verify that replacement parts match the required accuracy grade, temperature coefficient, and package type to ensure seamless integration without redesigning the surrounding circuitry.