LM431CIM3

$1.22

Description：IC VREF SHUNT -0.6/+0.4% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:84a3c77ab756 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

LM431CIM3 is listed in the Voltage Reference range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC VREF SHUNT -0.6/+0.4% SOT23-3. Review the specifications below when checking this part for your BOM.

Voltage Reference specifications for LM431CIM3

Description：IC VREF SHUNT -0.6/+0.4% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：37 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

Voltage Reference datasheet and documents for LM431CIM3

LM431CIM3

Voltage Reference Overview

The LM431CIM3 is a three-terminal adjustable precision Zener shunt regulator manufactured by Texas Instruments. It operates within a cathode voltage range of up to 37 V and supports a continuous cathode current between 1 mA and 100 mA. The device features an internal reference voltage of 2.495 V with a typical average temperature coefficient of 50 ppm/°C. Designed for the commercial temperature range, it functions reliably from 0°C to 70°C. The component utilizes a SOT-23 surface-mount package.

Voltage Reference Feature Summary

Adjustable output voltage capability via external resistor divider network
Temperature compensated operation ensuring stability across the full operating range
Fast turn-on response characteristics suitable for replacing standard Zener diodes

Voltage Reference Applications

Adjustable linear and switching power supplies
Voltage monitoring circuits
Precision reference applications requiring stable voltage levels
Zener diode replacement in existing designs

Voltage Reference Procurement Notes

Verify that the specific ordering suffix matches the required tolerance grade and packaging configuration. Confirm the active status of the component through official manufacturer channels before finalizing procurement plans. Ensure compatibility with RoHS standards if environmental compliance is mandatory for the target application.

Voltage Reference Selection Notes

Select this component when a compact surface-mount solution is required for precision shunt regulation. Evaluate the thermal dissipation requirements against the SOT-23 package limitations. Consider the commercial temperature range suitability for the intended operational environment.

Voltage Reference Part Context

This device belongs to the LM431 family of adjustable precision shunt regulators. The family includes variants with different tolerance grades and package options such as SOIC-8 and TO-92. The LM431 series provides a versatile alternative to fixed voltage references and discrete Zener diodes.