ME431NAXG

@@ -0,0 +1,49 @@+# ME431NAXG++**MICRONE** · Voltage Reference · SOT-23++ME431NAXG from MICRONE, 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 | A | passive | Anode terminal of the shunt regulator (system ground / low side of the internal shunt element). Sinks the regulated cathode current back to the return rail. |+| 2 | K | passive | Cathode terminal of the shunt regulator (high side). Sinks 1 mA to 100 mA when the reference conducts; withstands up to 36 V (abs-max 40 V) with respect to the anode. |+| 3 | REF | input | Reference / control input to the internal error amplifier's non-inverting input. Regulates the cathode-anode voltage such that V(REF) = VREF (typ. 2.500 V, ±0.4% for the 'A' grade). Reference input current 0.7 µA typ (3 µA max); abs-max IREF = 10 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MICRONE |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `ME431NAXGNAXG`+- `ME431NAXGNBXG`+- `ME431NAXGAXG`+- `ME431NAXGBXG`+- `ME431NAXGATG`+- `ME431NAXGBTG`+- `ME431NAXGATBG`+- `ME431NAXGBTBG`++## CAD (KiCad official)++- Symbol: `ME431NAXG`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [MICRONE datasheet](docs/me431naxg-datasheet.pdf) (12 pp, sha256 `60082e69a25c0be4`, retrieved 2026-08-17, tier: lcsc)+- **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).++[Datasheet PDF](docs/me431naxg-datasheet.pdf)

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