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Ray Set visibility: public bc935cf 20d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "l78m12abdt",
  "title": "L78M12ABDT",
  "brief": "Tokmas 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.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "l78m12abdt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "L78M12ABDT",
    "manufacturer": "Tokmas",
    "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/8603000708069138432",
    "parts": {
      "symbol": "l78m12abdt.kicad_sym",
      "footprint": "l78m12abdt.kicad_mod",
      "model_3d": "l78m12abdt-hero.glb",
      "model_3d_plain": "l78m12abdt-etched.glb",
      "model_3d_step": "l78m12abdt-etched.step",
      "model_3d_step_plain": "l78m12abdt.step",
      "lbr": "l78m12abdt.lbr"
    },
    "distributor_links": {
      "lcsc": "C7525416",
      "mouser": "511-L78M12ABDT"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T01:06:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "511-L78M12ABDT",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated input voltage; absolute maximum is 35 V for Vo = 5 V to 18 V and 40 V for Vo = 24 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; the heatsink surface is internally connected to this pin."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 12 V output with output current up to 1.5 A, protected by thermal overload, short-circuit and output transistor SOA protection."
      }
    ],
    "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 package hint says TO-252-2, but the datasheet labels this package DPAK-3 (3 leads). The pinout i; The pin-number labels in the page 1 block diagram and package drawing are scrambled in the text extr; The DPAK-3 figure and part list on page 1 are not clearly tied to each other in the text, so it is i"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0535,
        "at": "2026-10-19T01:04:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603000708069138432",
        "pages": 9,
        "sha256": "e61ea90b8763d6ec",
        "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": "l78m12abdt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l78m12abdt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          2.32
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5f20be44d3ec687521b27590fc4a62662154e600f7e424f77d10498f41a01417",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Tokmas",
      "Package": "TO-252-2(DPAK)",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e61ea90b8763d6ec0ff07657a4d6ed5a8061ea6fc8403ae41a67e8595b54bf95",
      "rows": [
        {
          "name": "Output voltage",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": 11.5,
          "typ": 12,
          "max": 12.5,
          "conditions": "Tj=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": 11.4,
          "typ": 12,
          "max": 12.6,
          "conditions": "5.0mA<Io<1.0A, PD <15W; Vi=14.5V to 27V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 240,
          "conditions": "Tj=25℃, Vi=14.5V to 30V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 120,
          "conditions": "Tj=25℃, Vi=16V to 22V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 12,
          "max": 240,
          "conditions": "Tj=25℃, Io=5.0mA to 1.5A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 120,
          "conditions": "Tj=25℃, Io=250mA to 750mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.1,
          "max": 8,
          "conditions": "Tj=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Io=5mA to 1.0A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Vi=15V to 30V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 53,
          "typ": 64,
          "max": null,
          "conditions": "f=120Hz, Vi=15V to 25V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (for Vo=5V to 18V)",
          "symbol": "Vi",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "for Vo=5V to 18V (applies to 12V variant)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "l78m12abdt"
  ],
  "discovery_pitch": "L78M12ABDT (Tokmas) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "l78m12abdt.step",
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    "docs/hero.png",
    "docs/l78m12abdt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "l78m12abdt-etched.glb"
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  "visibility": {
    "public": true
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}