LM4050CEM3X-2.5

@@ -0,0 +1,60 @@+# LM4050CEM3X-2.5++**Texas Instruments** · Voltage Reference · SOT-23-3++LM4050CEM3X-2.5 from Texas Instruments, in a SOT-23-3. 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 terminal of the shunt reference. Connect through a series resistor (Rs) from the supply Vs; the regulated 2.5V reverse-breakdown voltage appears here (Vout). Sinks the shunt current (IQ + IL); operating cathode current range 60μA to 15mA. |+| 2 | ANODE | passive | Anode terminal, normally tied to system ground. Serves as the reference return for the 2.5V output measured at the CATHODE pin. |+| 3 | NC | unconnected | No internal connection. Leave floating or tie to pin 2 (ANODE). In high-EMI environments (e.g. near transformers) or with significant high-frequency switching noise, TI recommends tying this pin to the anode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-3 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `LM4050CEM3X-2.5`++## Related parts (NOT interchangeable)++The extractor listed these alongside LM4050CEM3X-2.5, but they are **different parts** with different electrical characteristics. Do not order them as substitutes.++- `LM4050CEM3X-2.5CIM3`+- `LM4050CEM3X-2.5CIM3X`+- `LM4050CEM3X-2.5AEM3`+- `LM4050CEM3X-2.5AEM3X`+- `LM4050CEM3X-2.5BEM3`+- `LM4050CEM3X-2.5BEM3X`+- `LM4050CEM3X-2.5AIM3`+- `LM4050CEM3X-2.5AIM3X`+- `LM4050CEM3X-2.5BIM3`+- `LM4050CEM3X-2.5BIM3X`++## CAD (KiCad official)++- Symbol: `LM4050CEM3X-2.5`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm4050-n) (None pp, sha256 `a56eb11c173b31e8`, 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/lm4050cem3x-2-5-datasheet.pdf)

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