L78L05ACD13TR

@@ -0,0 +1,52 @@+# L78L05ACD13TR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++L78L05ACD13TR from STMicroelectronics, in a SOIC-8. Pinout and pin descriptions extracted from the datasheet (via LCSC) 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. A 0.1 µF ceramic capacitor to GND is recommended for output stability and transient response. |+| 2 | GND | power_in | Ground return. Pins 2, 3, 6 and 7 are internally connected to the die-attach flag for enhanced thermal dissipation and must all be tied to the PCB ground plane. |+| 3 | GND | power_in | Ground return, internally commoned with pins 2, 6, 7 and the die-attach flag for thermal dissipation. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to GND at the user's discretion. |+| 5 | NC | unconnected | No internal connection. Leave floating or tie to GND at the user's discretion. |+| 6 | GND | power_in | Ground return, internally commoned with pins 2, 3, 7 and the die-attach flag for thermal dissipation. |+| 7 | GND | power_in | Ground return, internally commoned with pins 2, 3, 6 and the die-attach flag for thermal dissipation. |+| 8 | VIN | power_in | Unregulated DC input. Absolute maximum 30 V for the 5 V variant (VO = 3.3 to 9 V range, Table 1). A 0.33 µF ceramic capacitor to GND close to the pin is recommended when the regulator is located far from the input filter. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `L78L05ACD13TRD`+- `L78L05ACD13TRD13TR`+- `L78L05ACD13TRZ`+- `L78L05ACD13TRAZ`+- `L78L05ACD13TRU`+- `L78L05ACD13TR13TR`++## CAD (KiCad official)++- Symbol: `L78L05ACD13TR`+- 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://datasheet.lcsc.com/datasheet/pdf/b8893a7d943c434c86c76c6a17f6aa23.pdf) (47 pp, sha256 `385835a89181b63c`, 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/l78l05acd13tr-datasheet.pdf)

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