78L12L

{
  "schema_version": 1,
  "type": "component",
  "slug": "78l12l",
  "title": "78L12L",
  "brief": "TDSEMIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "78l12l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "78L12L",
    "manufacturer": "TDSEMIC",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382424873693184",
    "parts": {
      "symbol": "78l12l.kicad_sym",
      "footprint": "78l12l.kicad_mod",
      "model_3d": "78l12l-hero.glb",
      "model_3d_plain": "78l12l.glb",
      "model_3d_step": "78l12l-etched.step",
      "model_3d_step_plain": "78l12l.step",
      "lbr": "78l12l.lbr"
    },
    "distributor_links": {
      "lcsc": "C22466220"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T11:02:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated fixed output of 12V (12.00V typical, 11.40V to 12.60V over Io=1mA to 40mA), with output current rated up to 100mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference pin for the regulator."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply; the datasheet gives an absolute maximum input voltage of 35V for the 12V to 15V versions and tests the 12V output with 14.5V to 27V input."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The page 2 pin configuration text is garbled by the PDF extraction. For SOT89-3 the extracted labels; The datasheet is a generic 78LXX family document covering SOT89-3, SOT23-3 and SOP8. The 78L12/78L12"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0513,
        "at": "2026-10-09T10:59:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382424873693184",
        "pages": 14,
        "sha256": "e5bfb2abe8d06ad1",
        "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"
    },
    "models_3d": [
      {
        "file": "78l12l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "78l12l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "ef3c7bbca232bef89f3b58990ffb6249f1499c029eda1b5dc0c8904738e546be",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TDSEMIC",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "78l12l"
  ],
  "discovery_pitch": "78L12L (TDSEMIC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "78l12l.kicad_sym",
    "78l12l.kicad_mod",
    "78l12l.glb",
    "78l12l.step",
    "78l12l.lbr",
    "docs/hero.png",
    "docs/78l12l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "78l12l-hero.glb",
    "78l12l-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}