component
LMV431AIZ
Public Made by Adomby adom
Texas Instruments Voltage Reference, TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLMV431AIZ
Texas Instruments · Voltage Reference · TO-92
LMV431AIZ from Texas Instruments, in a TO-92. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | REF | input | Reference/adjust input; sets output voltage via external resistor divider; reference input current IREF = 0.15 µA typ, 0.5 µA max (LMV431AI at TA = 25 °C). |
| 2 | ANODE | power_in | Anode (ground return) terminal of the shunt regulator; connected to circuit ground in typical application. |
| 3 | CATHODE | passive | Cathode terminal; regulated shunt voltage 1.24 V to 30 V; minimum cathode current for regulation IZ(MIN) = 55 µA typ / 80 µA max; maximum continuous cathode current ±30 mA; cathode voltage not to exceed 35 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TO-92 |
| Category | Power Management (PMIC) |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
LMV431AIZ - Footprint:
Package_TO_SOT_THT:TO-92_Inline - 3D model: TO-92 (KiCad packages3D, STEP)
- 3D model files:
lmv431aiz-etched.step/lmv431aiz-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lmv431aiz.step/lmv431aiz.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (36 pp, sha256
ba81200a24b0548f, retrieved 2026-09-24, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).