ME431AXG

@@ -0,0 +1,49 @@+# ME431AXG++**MICRONE** · Voltage Reference · SOT-23++ME431AXG 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 | REF | input | Reference input to the internal error amplifier. Compared against the internal 2.5 V bandgap (VREF); the regulator sinks cathode current to hold REF equal to VREF. Typical reference current 0.7 µA (max 3 µA); absolute max input current 10 mA. |+| 2 | CATHODE | passive | Regulator cathode. Sinks up to 100 mA (max 130 mA) from the rail being regulated; recommended operating VKA from VREF to 36 V (absolute max 40 V). Off-state cathode leakage ≤0.3 µA at VKA=36 V. |+| 3 | ANODE | passive | Regulator anode. Return terminal for cathode current; tied to the low side of the divider / system ground in a shunt-regulator topology. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MICRONE |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `ME431AXGAXG`+- `ME431AXGBXG`+- `ME431AXGAM3G`+- `ME431AXGBM3G`+- `ME431AXGATG`+- `ME431AXGBTG`+- `ME431AXGATBG`+- `ME431AXGBTBG`++## CAD (KiCad official)++- Symbol: `ME431AXG`+- 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/me431axg-datasheet.pdf) (12 pp, sha256 `9c5f9f93004c53ee`, 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/me431axg-datasheet.pdf)

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