component
LTL431APTLT1G
Public Made by Adomby adom
LRC Voltage Reference, SOT-23. 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
markdownLTL431APTLT1G
LRC · Voltage Reference · SOT-23
LTL431APTLT1G from LRC, in a SOT-23. 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 | CATHODE | passive | Cathode of the programmable shunt regulator; the output voltage is set by the external divider on the REF pin, and the cathode current must stay within the datasheet limits to keep the device in regulation. |
| 2 | REF | input | Reference input pin that regulates to the internal reference voltage (Vref, 2.470 V to 2.525 V depending on the grade), with a reference input current of about 4 µA at 25 °C. |
| 3 | ANODE | passive | Anode of the shunt regulator, the common return for the cathode current, which the datasheet states must be held at the anode reference for the specified electrical characteristics. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LRC |
| Package | SOT-23 |
| Category | Power Management (PMIC) |
| Pins | 3 |
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 input voltage (rank 0.5%, classification range) | VREF | 2.482 | 2.507 | V | Classification table, LTL431APTLT1 (rank 0.5%), Tamb -40~+125 °C | 2 | |
| Reference voltage tolerance (rank) | -0.5 | 0.5 | % | Rank 0.5% for LTL431APTLT1 | 2 | ||
| Operating ambient temperature range | TOPR | -40 | 125 | °C | Classification table range for LTL431APTLT1 | 2 |
CAD (KiCad official)
- Symbol:
LTL431APTLT1G - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
ltl431aptlt1g-etched.step/ltl431aptlt1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ltl431aptlt1g.step/ltl431aptlt1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LRC datasheet (5 pp, sha256
f72860759bbf8e8d, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(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).