TLVH431BCDBVTE4

Overview

The TLVH431BCDBVTE4 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 0.5% and a temperature coefficient of 138 PPM/C. It supports a maximum cathode current of 80 mA with a minimum operating current of 80 uA. The component functions across a temperature range of -40 C to +125 C and is housed in an SOT-23-5 surface-mount package.

Feature Summary

• Provides adjustable precision voltage reference functionality via shunt regulation architecture
• Delivers high initial accuracy for stable reference performance across varying conditions
• Supports wide operational temperature ranges suitable for demanding industrial environments

Applications

• Precision voltage reference circuits requiring low voltage operation
• Industrial control systems utilizing adjustable shunt regulation
• Power management integrated circuits needing stable reference sources

Procurement Notes

Verify the specific suffix TE4 against official Texas Instruments documentation to confirm tape and reel packaging specifications. Confirm that the part status aligns with project requirements, as availability may be limited or discontinued. Ensure compatibility with RoHS standards and check for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement plans.

Selection Notes

Select this component when precise adjustable voltage referencing is required in space-constrained designs. The SOT-23-5 package offers a compact solution for surface-mount applications. Consider the 0.5% initial accuracy and 138 PPM/C temperature coefficient for thermal stability needs. Evaluate the 80 mA cathode current capability against load requirements to ensure adequate headroom for shunt regulation operations.

Part Context

This device belongs to the TLVH431B series of low-voltage adjustable precision shunt regulators. It serves as a specialized power management IC designed for applications requiring accurate voltage references. The series is characterized by its ability to operate at low voltages while maintaining high precision, making it suitable for modern electronic systems where power efficiency and accuracy are critical design parameters.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify direct replacements through official manufacturer channels or authorized distributors to ensure electrical and mechanical compatibility.