component
L78M09ABDT-TR
Public Made by Adomby adom
STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+39@@ -0,0 +1,39 @@+# L78M09ABDT-TR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DPAK++L78M09ABDT-TR from STMicroelectronics, in a DPAK. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | GND | power_in | Ground/common reference terminal; also forms the exposed tab used for heatsinking (RthJC = 8 °C/W, RthJA = 100 °C/W for DPAK). |+| 2 | OUTPUT | power_out | Regulated positive output; for the 9 V version, VO = 8.82 to 9.18 V at TJ=25°C and 8.64 to 9.36 V over IO = 5 to 350 mA, VI = 11.5 to 24 V, with output current up to 0.5 A and short-circuit/thermal-shutdown protection. |+| 3 | INPUT | power_in | Unregulated DC input supply; must stay within VI = 11.5 to 24 V for specified regulation on the 9 V part, with an absolute maximum DC input voltage of 35 V (for VO = 5 to 18 V devices). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | DPAK |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `L78M09ABDT-TR`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: DPAK (KiCad packages3D, STEP)+- 3D model files: `l78m09abdt-tr-etched.step` / `l78m09abdt-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l78m09abdt-tr.step` / `l78m09abdt-tr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588900536132886528) (29 pp, sha256 `06d79d9f1c19140c`, retrieved 2026-09-29, 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/l78m09abdt-tr-datasheet.pdf)
page.jsonadded+112@@ -0,0 +1,112 @@+{+ "slug": "l78m09abdt-tr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "l78m09abdt-tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "l78m09abdt-tr.kicad_sym",+ "l78m09abdt-tr.kicad_mod",+ "l78m09abdt-tr.glb",+ "l78m09abdt-tr.step",+ "l78m09abdt-tr.lbr",+ "docs/hero.png",+ "docs/l78m09abdt-tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "L78M09ABDT-TR",+ "manufacturer": "STMicroelectronics",+ "package": "DPAK",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588900536132886528",+ "parts": {+ "symbol": "l78m09abdt-tr.kicad_sym",+ "footprint": "l78m09abdt-tr.kicad_mod",+ "model_3d": "l78m09abdt-tr-etched.glb",+ "model_3d_plain": "l78m09abdt-tr.glb",+ "model_3d_step": "l78m09abdt-tr-etched.step",+ "model_3d_step_plain": "l78m09abdt-tr.step",+ "lbr": "l78m09abdt-tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C157412",+ "digikey": "497-14163-2-ND",+ "mouser": "511-L78M09ABDT-TR"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T16:30:11Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-14163-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-L78M09ABDT-TR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground/common reference terminal; also forms the exposed tab used for heatsinking (RthJC = 8 °C/W, RthJA = 100 °C/W for DPAK)."+ },+ {+ "number": "2",+ "name": "OUTPUT",+ "type": "power_out",+ "description": "Regulated positive output; for the 9 V version, VO = 8.82 to 9.18 V at TJ=25°C and 8.64 to 9.36 V over IO = 5 to 350 mA, VI = 11.5 to 24 V, with output current up to 0.5 A and short-circuit/thermal-shutdown protection."+ },+ {+ "number": "3",+ "name": "INPUT",+ "type": "power_in",+ "description": "Unregulated DC input supply; must stay within VI = 11.5 to 24 V for specified regulation on the 9 V part, with an absolute maximum DC input voltage of 35 V (for VO = 5 to 18 V devices)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588900536132886528",+ "pages": 29,+ "sha256": "06d79d9f1c19140c",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}