TLVH431IPK

Overview

The TLVH431IPK is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It provides an adjustable output voltage range from 1.24 V to 18 V with an initial accuracy of 0.5%. The device operates within a supply voltage range up to 18 V and supports a maximum shunt current of 60 mA. It features a temperature coefficient of 100 PPM/°C and functions reliably across an operating temperature range of -40°C to +85°C. The component is housed in an 8-SOIC package.

Feature Summary

• Provides precise voltage regulation with 0.5% initial accuracy for stable reference applications
• Supports wide adjustable output voltage range from 1.24 V to 18 V
• Designed for low-voltage operation with high input voltage tolerance up to 18 V
• Ensures thermal stability with a low temperature coefficient of 100 PPM/°C

Applications

• Precision voltage references in battery-powered equipment
• Programmable power supplies and linear regulators
• Voltage monitoring and protection circuits
• Adaptive biasing for operational amplifiers

Procurement Notes

Verify the specific suffix 'IPK' against the official Texas Instruments datasheet to confirm the exact package type, tape-and-reel quantity, and moisture sensitivity level. Ensure the procurement source provides valid RoHS compliance documentation and confirms the absence of lead (Pb-free) status as specified for this series. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select the TLVH431IPK when a low-voltage application requires higher accuracy than standard TL431 devices but does not need ultra-low quiescent current. It is suitable for designs where the input voltage exceeds the adjustable output range significantly. Consider the 8-SOIC package constraints for PCB layout and thermal dissipation requirements compared to smaller surface-mount options like SOT-23 variants.

Part Context

This component belongs to the TLVH431 family of low-voltage adjustable shunt regulators. It serves as a drop-in replacement for traditional TL431 devices in many applications while offering improved performance at lower voltages. The family is widely used in industrial and consumer electronics for feedback control loops requiring stable reference voltages.

Replacement Considerations

Direct pin-compatible alternatives include the TLV431AIDBVTG4 or TLV431BIDBVTG4 for similar functionality in different packages. Verify that substitute parts maintain the required 0.5% accuracy and 18 V maximum input voltage specifications.