LM431ACM3X

$0.88

Description：IC VREF SHUNT ADJ 2.2% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:5c4b49dddd3a Category: Voltage Reference Brand: Texas Instruments

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Product introduction

LM431ACM3X is listed in the Voltage Reference range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC VREF SHUNT ADJ 2.2% SOT23-3. Review the specifications below when checking this part for your BOM.

Voltage Reference specifications for LM431ACM3X

Description：IC VREF SHUNT ADJ 2.2% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.495V
Voltage - Output (Max)：37 V
Current - Output：100 mA
Operating Temperature：0°C ~ 70°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 LM431ACM3X

LM431ACM3X

Voltage Reference Overview

The LM431ACM3X is an adjustable precision Zener shunt regulator manufactured by Texas Instruments. It operates within a voltage range of 2.495 V to 37 V and supports a maximum shunt current of 100 mA. The device features an initial accuracy of 2% and a temperature coefficient of 97 ppm/°C. It is housed in a SOT-23-3 surface-mount package and functions reliably across an operating temperature range from -40°C to +85°C.

Voltage Reference Feature Summary

Provides adjustable reference voltage functionality via external resistor divider
Delivers high precision regulation with low temperature drift characteristics
Supports direct replacement for fixed voltage Zener diodes in compact designs

Voltage Reference Applications

Precision voltage references in power supply circuits
Programmable output regulators
Battery management systems requiring accurate monitoring thresholds

Voltage Reference Procurement Notes

Verify the complete part number including the suffix against official Texas Instruments documentation to ensure correct accuracy grade and packaging configuration. Confirm RoHS compliance status as indicated by the specific ordering code. Cross-reference the manufacturer's latest datasheet revision to validate electrical parameters and pinout assignments before finalizing procurement specifications.

Voltage Reference Selection Notes

Select this component when a compact, adjustable reference is required in space-constrained applications. The SOT-23-3 package offers a small footprint suitable for dense PCB layouts. Ensure the design accounts for the 2% initial accuracy tolerance and the specific temperature coefficient requirements of the target application environment.

Voltage Reference Part Context

This device belongs to the LM431 family of adjustable precision shunt regulators. It serves as a versatile alternative to fixed-voltage reference components, allowing designers to set precise output levels using external resistors. The series is widely utilized in industrial and consumer electronics for stable voltage regulation tasks.