TLV431ILP

Overview

The TLV431ILP is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 2.5 V to 6 V and provides an adjustable output voltage from 1.24 V to 6 V. The device features a typical dynamic impedance of 0.22 Ω and maintains a temperature coefficient of 100 ppm/°C over the industrial operating temperature range of -40 °C to +85 °C. Packaged in a compact SOT-23 form factor, it supports sink currents up to 100 mA.

Feature Summary

• Provides adjustable reference voltage functionality with high precision for low-voltage applications
• Ensures stable performance across wide temperature variations through guaranteed thermal stability
• Enables space-efficient circuit design via a compact surface-mount package

Applications

• Battery-operated equipment requiring precise voltage monitoring
• Switch-mode power supplies utilizing low-voltage regulation
• Data acquisition systems needing accurate reference signals

Procurement Notes

Verify the specific suffix designation against official Texas Instruments documentation to confirm exact accuracy grades and package variants. Ensure compatibility with system voltage limits and thermal requirements before integration. Cross-reference datasheet revisions to validate pinout consistency and electrical characteristics for the specific manufacturing lot.

Selection Notes

Select this component when designing circuits constrained by low supply voltages below standard 2.5 V references. Evaluate the trade-off between the required sink current capability and the package's thermal dissipation limits. Confirm that the adjustable voltage range aligns with the target reference threshold and that the operating temperature range meets environmental specifications.

Part Context

This device belongs to the TLV431 family of low-voltage adjustable shunt regulators. It serves as a modern alternative to traditional TL431 devices in applications where supply voltages are restricted. The family offers various accuracy grades and package options to suit different spatial and precision requirements in portable and battery-powered electronics.

Replacement Considerations

Consult official substitution guides for compatible equivalents such as the TLV431BIDBVTG4 or other TI shunt regulators. Verify pin compatibility and electrical parameter alignment before replacing existing components in established designs.