TLVH431ACLPR

Overview

The TLVH431ACLPR 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 shunt current of 80 mA with a minimum regulation current of 80 µA. Operating temperatures range from -40°C to +125°C. The component is housed in a TO-92-3 through-hole package.

Feature Summary

• Adjustable output voltage capability ranging from 1.24 V to 18 V via external resistor divider
• High precision performance with 1% initial accuracy and stable temperature coefficient
• Extended thermal operation suitable for industrial environments across wide temperature ranges

Applications

• Battery chargers
• Switch mode power supplies
• Data acquisition systems
• Energy management circuits

Procurement Notes

Verify the specific suffix 'CLPR' against the manufacturer datasheet to confirm package type and accuracy grade. Ensure the application circuit design accommodates the 80 mA maximum sink current and 20 V maximum input voltage limits. Confirm RoHS compliance status through official documentation before integration into production assemblies.

Selection Notes

Select this component when high precision voltage referencing is required in through-hole designs. The TO-92-3 package facilitates easy prototyping and manual assembly. Consider the 1% accuracy and 138 ppm/°C temperature stability for applications demanding tight voltage regulation over varying thermal conditions without requiring external compensation networks.

Part Context

This part belongs to the TLVH431 family of low-voltage adjustable shunt regulators. It serves as a precision reference element in power management and control loops. The family offers various accuracy grades and packages, with this specific variant providing a robust through-hole solution for industrial and consumer electronics applications requiring reliable voltage stabilization.

Replacement Considerations

Direct substitutes include other TLVH431 variants with matching accuracy and package, such as TLVH431ACDBVR for surface mount needs. Verify pinout compatibility and electrical specifications before substitution. Cross-reference with LM431 series components if higher voltage tolerance is acceptable.