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LM4040AIM3X-2.5
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Texas Instruments LM4040AIM3X 2 5 NOPB Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+67@@ -0,0 +1,67 @@+# LM4040AIM3X-2.5++**Texas Instruments LM4040AIM3X 2 5 NOPB** · Voltage Reference · SOT-23++LM4040AIM3X-2.5 from Texas Instruments LM4040AIM3X 2 5 NOPB, 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 | Cathode | passive | Cathode / VOUT of the shunt reference. Connect through a series bias resistor R_S from V_DD; the pin regulates to 2.5 V (±0.1% A-grade) with respect to Anode across 60 μA-15 mA of reverse current. Stable for any capacitive load; forward current absolute maximum 10 mA, reverse current absolute maximum 20 mA. |+| 2 | Anode | passive | Anode of the shunt reference, normally grounded. Provides the low-side return for the reverse breakdown current supplied to the Cathode pin. |+| 3 | NC | unconnected | No connect. Must be left floating or connected to pin 2 (Anode); do not tie to Cathode or any other net. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments LM4040AIM3X 2 5 NOPB |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `LM4040AIM3X-2.5IM3`+- `LM4040AIM3X-2.5IM3X`+- `LM4040AIM3X-2.5AIM3`+- `LM4040AIM3X-2.5AIM3X`+- `LM4040AIM3X-2.5BIM3`+- `LM4040AIM3X-2.5BIM3X`+- `LM4040AIM3X-2.5CIM3`+- `LM4040AIM3X-2.5CIM3X`+- `LM4040AIM3X-2.5DIM3`+- `LM4040AIM3X-2.5DIM3X`+- `LM4040AIM3X-2.5IZ`+- `LM4040AIM3X-2.5AIZ`+- `LM4040AIM3X-2.5BIZ`+- `LM4040AIM3X-2.5CIZ`+- `LM4040AIM3X-2.5DIZ`+- `LM4040AIM3X-2.5IM7`+- `LM4040AIM3X-2.5IM7X`+- `LM4040AIM3X-2.5AIM7`+- `LM4040AIM3X-2.5AIM7X`+- `LM4040AIM3X-2.5BIM7`+- `LM4040AIM3X-2.5BIM7X`+- `LM4040AIM3X-2.5CIM7`+- `LM4040AIM3X-2.5CIM7X`+- `LM4040AIM3X-2.5DIM7`+- `LM4040AIM3X-2.5DIM7X`++## CAD (KiCad official)++- Symbol: `LM4040AIM3X-2.5`+- 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:** [Texas Instruments LM4040AIM3X 2 5 NOPB datasheet](docs/lm4040aim3x-2-5-datasheet.pdf) (71 pp, sha256 `3408d7abb0a21a15`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/lm4040aim3x-2-5-datasheet.pdf)
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