component
AZ431LANTR-G1
Public Made by Adomby adom
Diodes Incorporated Voltage Reference, SOT-23. Pinout extracted from 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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Contents
README
markdownAZ431LANTR-G1
Diodes Incorporated · Voltage Reference · SOT-23
AZ431LANTR-G1 from Diodes Incorporated, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | REF | input | Reference (feedback) input to the internal error amplifier. The device regulates cathode-to-anode voltage such that V(REF-ANODE) equals VREF (1.24 V typ). Reference input current range is limited to 10 mA max. |
| 2 | CATHODE | power_in | Cathode (K) terminal of the shunt regulator. Absolute maximum VKA = 20 V; recommended VKA range VREF to 18 V; continuous cathode current range -100 to +100 mA (sink 0.1 mA to 100 mA in normal operation). |
| 3 | ANODE | power_in | Anode (A) terminal of the shunt regulator; normally tied to the low-side return (ground) of the reference divider network. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-23 |
| Category | PMIC |
| Pins | 3 |
Ordering variants
AZ431LANTR-G1ZAZ431LANTR-G1AZ431LANTR-G1STRAZ431LANTR-G1SL
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reference Voltage (0.5% grade) | VREF | 1.234 | 1.24 | 1.246 | V | VKA = VREF, IKA = 10mA | 5 |
| Deviation of Reference Voltage Over Full Temperature Range, 0°C to +70°C | ΔVREF | 2 | 10 | mV | VKA = VREF, IKA = 10mA | 5 | |
| Deviation of Reference Voltage Over Full Temperature Range, -40°C to +85°C | ΔVREF | 3 | 10 | mV | VKA = VREF, IKA = 10mA | 5 | |
| Deviation of Reference Voltage Over Full Temperature Range, -40°C to +125°C | ΔVREF | 4 | 15 | mV | VKA = VREF, IKA = 10mA | 5 | |
| Ratio of Change in VREF to the Change in Cathode Voltage | ΔVREF/ΔVKA | -0.5 | -1.5 | mV/V | IKA = 10mA, ΔVKA: VREF to 16V | 5 | |
| Reference Input Current | IREF | 0.15 | 0.4 | µA | IKA = 10mA, R1 = 10kΩ, R2 = ∞ | 5 | |
| Deviation of Reference Current Over Full Temperature Range | ΔIREF | 0.1 | 0.4 | µA | IKA = 10mA, R1 = 10kΩ, R2 = ∞, TA = -40°C to +125°C | 5 | |
| Minimum Cathode Current for Regulation | IKA(Min) | 55 | 80 | µA | VKA = VREF | 5 | |
| Off-State Cathode Current | IKA(Off) | 0.04 | 0.1 | µA | VREF = 0, VKA = 18V | 5 | |
| Off-State Cathode Current | IKA(Off) | 0.01 | 0.05 | µA | VKA = 6, VREF = 0 | 5 | |
| Dynamic Impedance | ZKA | 0.05 | 0.15 | Ω | VKA = VREF, IKA = 1 to 100mA, f ≤ 1.0kHz | 5 | |
| Cathode Voltage (recommended operating, max) | VKA | 18 | V | 4 | |||
| Cathode Current (recommended operating) | IKA | 0.1 | 100 | mA | 4 | ||
| Operating Ambient Temperature Range | TA | -40 | 125 | °C | 4 | ||
| Cathode Voltage | VKA | 20 | V | 4 | |||
| Cathode Current Range (Continuous) | IKA | -100 | 100 | mA | 4 | ||
| Reference Input Current Range | IREF | 10 | mA | 4 | |||
| Junction Temperature | TJ | 150 | °C | 4 | |||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 4 | ||
| Thermal Resistance Junction-to-Case, SOT23 | θJC | 84.84 | °C/W | 5 |
CAD (KiCad official)
- Symbol:
AZ431LANTR-G1 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
az431lantr-g1-etched.step/az431lantr-g1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);az431lantr-g1.step/az431lantr-g1.glbare the bare package body.
3D model downloads
Two STEP files. Same geometry, different body top:
| File | Size | Use it when |
|---|---|---|
az431lantr-g1.step |
59 KB | You want the bare part, or you mark your own boards. |
az431lantr-g1-etched.step |
1.6 MB | You want the part with AZ431LANTR-G1 already on it. |
The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 434 faces against 69 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (19 pp, sha256
6b8c6ed92d8e1c2d, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).