L78L05ACUTR

@@ -0,0 +1,53 @@+# L78L05ACUTR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3++L78L05ACUTR from STMicroelectronics, in a SOT-89-3. 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 | VOUT | power_out | Regulated +5 V output. Delivers up to 100 mA of load current. Bypass to GND with a 0.1 uF (or larger) ceramic capacitor per ST's recommended application. |+| 2 | GND | power_in | Ground / common reference for both input and output. On the SOT-89 this pin also functions as the die-attach tab used for heat-sinking to the PCB copper. |+| 3 | VIN | power_in | Unregulated DC input supply. Absolute maximum 30 V for the 5 V variant; typical operating range roughly 7-20 V. Bypass to GND with a 0.33 uF (or larger) capacitor located close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOT-89-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `L78L05ACUTR`+- `L78L05ACUTRL78L05ABUTR`+- `L78L05ACUTRL78L05ACZ`+- `L78L05ACUTRL78L05ACZ-AP`+- `L78L05ACUTRL78L05ACZ-TR`+- `L78L05ACUTRL78L05ABZ`+- `L78L05ACUTRL78L05ABZ-AP`+- `L78L05ACUTRL78L05ABZ-TR`+- `L78L05ACUTRL78L05CZ`+- `L78L05ACUTRL78L05ABD13TR`+- `L78L05ACUTRL78L05ACD13TR`+- `L78L05ACUTRL78L05CD13TR`++## CAD (KiCad official)++- Symbol: `L78L05ACUTR`+- Footprint: `Package_TO_SOT_SMD:SOT-89-3`+- 3D model: SOT-89-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/l78l05acutr.pdf) (47 pp, sha256 `08da79fddb104256`, retrieved 2026-08-17, tier: manufacturer)+- **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/l78l05acutr-datasheet.pdf)

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