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L78L05ACZ
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STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-92-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# L78L05ACZ++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-92-3++L78L05ACZ from STMicroelectronics, in a TO-92-3. 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, up to 100 mA. A 0.1 µF ceramic capacitor to GND is recommended for stability and transient response. |+| 2 | GND | power_in | Common ground reference for both input and output. Also serves as the thermal return path. |+| 3 | VIN | power_in | Unregulated DC input, absolute maximum 30 V (for 3.3-9 V output variants). A 0.33 µF capacitor to GND close to the pin is recommended to suppress input transients. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | TO-92-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `L78L05ACZZ`+- `L78L05ACZD`+- `L78L05ACZD-TR`+- `L78L05ACZU`+- `L78L05ACZU-TR`++## CAD (KiCad official)++- Symbol: `L78L05ACZ`+- Footprint: `Package_TO_SOT_THT:TO-92_Inline`+- 3D model: TO-92-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/l78l05acz.pdf) (46 pp, sha256 `aebc91bfc9b4bb67`, 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/l78l05acz-datasheet.pdf)
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