component
78L05
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# 78L05++**UMW Youtai Semiconductor Co Ltd** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3++78L05 from UMW Youtai Semiconductor Co Ltd, in a SOT-89-3. 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 | Output | power_out | Regulated +5 V DC output (nominal 5.0 V, 4.8-5.2 V at TJ=25 °C). Supplies up to 100 mA to the load. A 0.1 µF ceramic bypass capacitor to GND is recommended for stability and transient response. |+| 2 | GND | power_in | Common ground reference for both input and output. Also carries the quiescent current (typ. 2 mA) of the regulator. |+| 3 | Input | power_in | Unregulated DC input supply. Recommended VI ≥ 7.5 V (for full-spec 5 V regulation); absolute maximum VI = 35 V. A 0.33 µF ceramic bypass capacitor to GND is recommended close to the pin, especially if the device is located far from the bulk filter capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UMW Youtai Semiconductor Co Ltd |+| Package | SOT-89-3 |+| Category | PMIC |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `78L05`+- 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:** [UMW Youtai Semiconductor Co Ltd datasheet](https://datasheet.lcsc.com/datasheet/pdf/5d1daadcac62febf9529895d15cb6d6c.pdf) (22 pp, sha256 `3eeae843c9f51425`, 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/78l05-datasheet.pdf)
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