L78L05ABD13TR

@@ -0,0 +1,52 @@+# L78L05ABD13TR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++L78L05ABD13TR from STMicroelectronics, in a SOIC-8. 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 (4.6 V min / 5.4 V max at TJ=25 °C). Up to 100 mA with adequate heat-sinking. Recommend 0.1 µF ceramic to GND for stability. |+| 2 | GND | power_in | Ground reference. On the SO-8 package pins 2, 3, 6 and 7 are internally commoned to the die attach flag to lower thermal resistance; tie all four to the ground plane for best heat spreading. |+| 3 | GND | power_in | Ground reference. Internally commoned with pins 2, 6 and 7 to the die attach flag for thermal spreading; connect all four to the ground plane. |+| 4 | NC | unconnected | Not connected. Leave floating or tie to ground; no internal bond. |+| 5 | NC | unconnected | Not connected. Leave floating or tie to ground; no internal bond. |+| 6 | GND | power_in | Ground reference. Internally commoned with pins 2, 3 and 7 to the die attach flag for thermal spreading; connect all four to the ground plane. |+| 7 | GND | power_in | Ground reference. Internally commoned with pins 2, 3 and 6 to the die attach flag for thermal spreading; connect all four to the ground plane. |+| 8 | VIN | power_in | Unregulated DC input. Absolute maximum 30 V for the 5 V output variant; typical dropout ~2 V so VIN ≥ ~7 V for full 5 V regulation. Recommend 0.33 µF ceramic to GND close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `L78L05ABD13TRD`+- `L78L05ABD13TRD13TR`+- `L78L05ABD13TRZ`+- `L78L05ABD13TRZ`+- `L78L05ABD13TRAP`+- `L78L05ABD13TRZAP`++## CAD (KiCad official)++- Symbol: `L78L05ABD13TR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/l78l05abd13tr.pdf) (45 pp, sha256 `43922ae159face7e`, 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/l78l05abd13tr-datasheet.pdf)

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