TL1431ID

$0.46

Description：IC VREF SHUNT ADJ 0.4% 8SO
Series：-
Mfr：STMicroelectronics
Package：Tube

SKU:28c55f01c963 Category: Voltage Reference Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 0.4% 8SO
Series：-
Mfr：STMicroelectronics
Package：Tube
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：36 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 105°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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TL1431ID

Overview

The TL1431ID is an adjustable shunt voltage reference manufactured by STMicroelectronics. It provides a guaranteed temperature stability over the entire operating range, with output voltages settable between 2.5 V and 36 V using two external resistors. The device operates within a wide current range from 1 mA to 100 mA and features a typical dynamic impedance of 0.2 Ω. It offers high precision with tolerances of 0.4% and 0.25%. The component supports automotive temperature ranges from -40 °C to +125 °C and is housed in an 8-SOIC package.

Feature Summary

Adjustable output voltage capability ranging from 2.5 V to 36 V via external resistor configuration
High precision performance with initial accuracy options of 0.4% and 0.25%
Wide operational current sink range supporting loads from 1 mA up to 100 mA
Automotive-grade thermal stability ensuring reliable function across extended temperature extremes

Applications

Precision power supply regulation circuits
Programmable linear regulators
Battery-operated equipment monitoring
DC-to-DC converter feedback loops

Procurement Notes

Verify the specific suffix designation against official STMicroelectronics documentation to confirm exact tolerance grades and packaging configurations. Ensure compatibility with required operating temperatures and interface standards before integration. Cross-reference datasheet revisions for any updates to electrical characteristics or mechanical dimensions.

Selection Notes

Select this component when precise voltage referencing is required in space-constrained designs utilizing surface-mount technology. Consider the 0.4% and 0.25% precision variants based on circuit sensitivity requirements. Evaluate the 1 mA to 100 mA sink current capability against load demands to ensure stable operation without exceeding thermal limits.

Part Context

Part of the TL1431 series, which serves as a versatile programmable shunt regulator. This family replaces traditional Zener diodes in many applications due to superior accuracy and lower dynamic impedance. Widely used in industrial and automotive electronics where reliability under varying thermal conditions is critical.