component
78D09L
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+4−4@@ -1,8 +1,8 @@ # 78D09L -**Unknown** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252+**UMW** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252 -78D09L from Unknown, in a TO-252. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.+78D09L from UMW, in a TO-252. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD. ## Pinout @@ -16,7 +16,7 @@ | Parameter | Value | |---|---|-| Manufacturer | Unknown |+| Manufacturer | UMW | | Package | TO-252 | | Category | PMIC | | Pins | 3 |@@ -35,7 +35,7 @@ Data extracted from the manufacturer datasheet, not a distributor listing: -- **Datasheet:** [Unknown datasheet](docs/78d09l-datasheet.pdf) (15 pp, sha256 `0816f246cc64ec64`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet:** [UMW datasheet](docs/78d09l-datasheet.pdf) (15 pp, sha256 `0816f246cc64ec64`, 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).
page.json+106−109@@ -1,115 +1,112 @@ {- "schema_version": 1,- "type": "component",- "slug": "78d09l",- "title": "78D09L",- "brief": "Unknown Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",- "license": "CC-BY-SA-4.0",- "tags": [- "component",- "pmic",- "78d09l"- ],- "component": {- "mpn": "78D09L",- "manufacturer": "Unknown",- "package": "TO-252",- "pin_count": 3,- "category": "PMIC",- "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",- "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403220120_UMW-Youtai-Semiconductor-Co---Ltd--78D09L_C347287.pdf",- "parts": {- "symbol": "78d09l.kicad_sym",- "footprint": "78d09l.kicad_mod",- "model_3d": "78d09l.glb",- "model_3d_step": "78d09l.step",- "lbr": "78d09l.lbr"- },- "distributor_links": {},- "pins": [- {- "number": "1",- "name": "INPUT",- "type": "power_in",- "description": "Unregulated DC input supply. For a 9 V output, typical VI = 15 V (recommended VI range 11.5-24 V, absolute max 35 V). A 0.33 µF input bypass capacitor to GND is recommended close to the pin."- },- {- "number": "2",- "name": "GND",- "type": "power_in",- "description": "Common ground / reference for both input and output. On the TO-252 package this pin is electrically common with the exposed thermal tab, which also serves as the primary heat-sink pad."- },- {- "number": "3",- "name": "OUTPUT",- "type": "power_out",- "description": "Regulated +9 V output, up to 1 A load current (VO typ 9 V, 8.64-9.36 V at 25 °C). A 0.1 µF output capacitor to GND close to the pin is recommended for stability. Internally protected against short circuit (~800 mA into a shorted load) and thermal overload."- }- ],- "provenance": {- "extractor": "ds2sf",- "datasheet": {- "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403220120_UMW-Youtai-Semiconductor-Co---Ltd--78D09L_C347287.pdf",- "pages": 15,- "sha256": "0816f246cc64ec64",- "source_tier": "lcsc"- },- "cad": "KiCad official (CC-BY-SA 4.0)",- "pins": {- "total": 3,- "described": 3,- "cites_pages": true,- "refuses_to_fabricate": true- }- },- "viewers": {- "symbol": "viewers/symbol.html",- "footprint": "viewers/footprint.html"- }- },- "metadata": {- "specs": {- "Manufacturer": "Unknown",- "Package": "TO-252",- "Category": "PMIC",- "Pins": "3"- }+ "schema_version": 1,+ "type": "component",+ "slug": "78d09l",+ "title": "78D09L",+ "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "version": "0.1.0",+ "license": "CC-BY-SA-4.0",+ "tags": [+ "component",+ "pmic",+ "78d09l"+ ],+ "component": {+ "mpn": "78D09L",+ "manufacturer": "UMW",+ "package": "TO-252",+ "pin_count": 3,+ "category": "PMIC",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403220120_UMW-Youtai-Semiconductor-Co---Ltd--78D09L_C347287.pdf",+ "parts": {+ "symbol": "78d09l.kicad_sym",+ "footprint": "78d09l.kicad_mod",+ "model_3d": "78d09l.glb",+ "model_3d_step": "78d09l.step",+ "lbr": "78d09l.lbr" },- "sections": [- "hero",- "viewers",- "readme",- "breadcrumbs",- "info"- ],- "discovery_triggers": [- "78d09l"+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "INPUT",+ "type": "power_in",+ "description": "Unregulated DC input supply. For a 9 V output, typical VI = 15 V (recommended VI range 11.5-24 V, absolute max 35 V). A 0.33 \u00b5F input bypass capacitor to GND is recommended close to the pin."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Common ground / reference for both input and output. On the TO-252 package this pin is electrically common with the exposed thermal tab, which also serves as the primary heat-sink pad."+ },+ {+ "number": "3",+ "name": "OUTPUT",+ "type": "power_out",+ "description": "Regulated +9 V output, up to 1 A load current (VO typ 9 V, 8.64-9.36 V at 25 \u00b0C). A 0.1 \u00b5F output capacitor to GND close to the pin is recommended for stability. Internally protected against short circuit (~800 mA into a shorted load) and thermal overload."+ } ],- "discovery_pitch": "78D09L (Unknown) component page with datasheet-verified CAD.",- "author": {- "name": "Ray",- "email": "[email protected]"+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403220120_UMW-Youtai-Semiconductor-Co---Ltd--78D09L_C347287.pdf",+ "pages": 15,+ "sha256": "0816f246cc64ec64",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 3,+ "described": 3,+ "cites_pages": true,+ "refuses_to_fabricate": true+ } },- "dependencies": {},- "hero": {- "type": "image",- "path": "docs/hero.png"- },- "files": [- "page.json",- "README.md",- "78d09l.kicad_sym",- "78d09l.kicad_mod",- "78d09l.glb",- "78d09l.step",- "78d09l.lbr",- "docs/hero.png",- "docs/78d09l-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"- ],- "visibility": {- "public": true+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Unknown",+ "Package": "TO-252",+ "Category": "PMIC",+ "Pins": "3" }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "78d09l"+ ],+ "discovery_pitch": "78D09L (Unknown) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "78d09l.kicad_sym",+ "78d09l.kicad_mod",+ "78d09l.glb",+ "78d09l.step",+ "78d09l.lbr",+ "docs/hero.png",+ "docs/78d09l-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ] }