component
L78M12ABDT-TR
Public Made by Adomby adom
STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# L78M12ABDT-TR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252-2(DPAK)++L78M12ABDT-TR from STMicroelectronics, in a TO-252-2(DPAK). 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 | INPUT | power_in | Unregulated DC input to the regulator; for the 12 V grade the datasheet specifies operation with VI = 14.5 to 27 V (AB grade, IO = 5 to 350 mA) and an absolute maximum DC input voltage of 35 V, with a 0.33 µF input bypass capacitor recommended if the regulator is far from the supply filter. |+| 2 | GND | power_in | Ground/common reference pin, formed by the DPAK tab; thermal path to the package tab with junction-to-case thermal resistance RthJC = 8 °C/W and junction-to-ambient RthJA = 100 °C/W for the DPAK package. |+| 3 | OUTPUT | power_out | Regulated +12 V output (11.75 to 12.25 V at TJ = 25 °C for the AB grade), capable of delivering output current up to 0.5 A with internal current limiting, thermal shutdown and safe-area protection; a 0.1 µF output capacitor improves transient response though it is not required for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | TO-252-2(DPAK) |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `L78M12ABDT-TR`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: TO-252-2(DPAK) (KiCad packages3D, STEP)+- 3D model files: `l78m12abdt-tr-etched.step` / `l78m12abdt-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l78m12abdt-tr.step` / `l78m12abdt-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/8586175025845690368) (46 pp, sha256 `bf25de1549fb4045`, retrieved 2026-09-22, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-5` (text+vision), consensus `claude-opus-4-8` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/l78m12abdt-tr-datasheet.pdf)
page.jsonadded+114@@ -0,0 +1,114 @@+{+ "slug": "l78m12abdt-tr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "l78m12abdt-tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "l78m12abdt-tr.kicad_sym",+ "l78m12abdt-tr.kicad_mod",+ "l78m12abdt-tr.glb",+ "l78m12abdt-tr.step",+ "l78m12abdt-tr.lbr",+ "docs/hero.png",+ "docs/l78m12abdt-tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "L78M12ABDT-TR",+ "manufacturer": "STMicroelectronics",+ "package": "TO-252-2(DPAK)",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175025845690368",+ "parts": {+ "symbol": "l78m12abdt-tr.kicad_sym",+ "footprint": "l78m12abdt-tr.kicad_mod",+ "model_3d": "l78m12abdt-tr-etched.glb",+ "model_3d_plain": "l78m12abdt-tr.glb",+ "model_3d_step": "l78m12abdt-tr-etched.step",+ "model_3d_step_plain": "l78m12abdt-tr.step",+ "lbr": "l78m12abdt-tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C61534"+ },+ "pins": [+ {+ "number": "1",+ "name": "INPUT",+ "type": "power_in",+ "description": "Unregulated DC input to the regulator; for the 12 V grade the datasheet specifies operation with VI = 14.5 to 27 V (AB grade, IO = 5 to 350 mA) and an absolute maximum DC input voltage of 35 V, with a 0.33 µF input bypass capacitor recommended if the regulator is far from the supply filter."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground/common reference pin, formed by the DPAK tab; thermal path to the package tab with junction-to-case thermal resistance RthJC = 8 °C/W and junction-to-ambient RthJA = 100 °C/W for the DPAK package."+ },+ {+ "number": "3",+ "name": "OUTPUT",+ "type": "power_out",+ "description": "Regulated +12 V output (11.75 to 12.25 V at TJ = 25 °C for the AB grade), capable of delivering output current up to 0.5 A with internal current limiting, thermal shutdown and safe-area protection; a 0.1 µF output capacitor improves transient response though it is not required for stability."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-sonnet-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-4-8",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The DPAK pin diagram in Figure 2 (page 4) labels the three terminals only by function (GND on the ta",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 46,+ "cost_usd": 1.0174,+ "at": "2026-09-22T18:17:56"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175025845690368",+ "pages": 46,+ "sha256": "bf25de1549fb4045",+ "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]"+ }+}