Texas Instruments LM431AIM Voltage References
IC VREF SHUNT ADJ 2.2% 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM431AIM
Base Model
Detailed Description
The LM431AIM is a voltage reference IC with an adjustable output voltage range of 2.495V to 37V. It can supply up to 100mA of output current. The device is packaged in an SOIC-8 package, which is a surface mount type. The operating temperature range is from -40°C to 85°C. The LM431AIM is not RoHS compliant.
Package
SOIC
Lifecycle Status
Active
RoHS State
Not Compliant
Datasheet
LM431AIM Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM431AIM Voltage References technical specifications.
General
RoHS
No
Number of Channels
1
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Lifecycle Status
Active
Package
SOIC
Cathode Current
1mA
Height
1.75mm
Lead Free
Contains Lead
Alternate Parts Comparison (LM431AIM vs LM431AIM3 vs LM431AIM3/NOPB vs LM431AIM3X/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Tolerance | 2.2% | ±2.2% | ±2.2% | ±2.2% |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| RoHS | No | Yes | Yes | Yes |
| Lifecycle Status | Active | Not For New Designs | Active | Active |
| Initial Accuracy Max | 0.5, 1, 2 | 0.5, 1, 2 | 0.5, 1, 2 | 0.5, 1, 2 |
| Iout Iz Max Ma | 100 | 100 | 100 | 100 |
| Iz for Regulation Min a | 400 | 400 | 400 | 400 |
| Operating Temperature Range C | -40 to 85, 0 to 70 | -40 to 85, 0 to 70 | -40 to 85, 0 to 70 | -40 to 85, 0 to 70 |
| Output Current | 100mA | 100 mA | 100 mA | 100 mA |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Action |
Texas Instruments LM431AIM Voltage References Overview
The LM431AIM is a voltage reference IC with an adjustable output voltage range of 2.495V to 37V. It can supply up to 100mA of output current. The device is packaged in an SOIC-8 package, which is a surface mount type. The operating temperature range is from -40°C to 85°C.
The LM431AIM is not RoHS compliant.
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
TL431IDR2GonsemiSimilaronsemi
Pin NoPkg YesElec Mixed
Voltage Reference, Programmable Precision, Shunt Regulator, SOIC-8 Narrow Body, 2500-REEL
More Parts in Voltage References
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LM431AIM3X/NOPBTexas Instruments2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 3-SOT-23 -40 to 85
LM431AIMX/NOPBTexas Instruments2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 8-SOIC -40 to 85