L7812ACV

{
  "schema_version": 1,
  "type": "component",
  "slug": "l7812acv",
  "title": "L7812ACV",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. 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)",
    "l7812acv",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "L7812ACV",
    "manufacturer": "STMicroelectronics",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896408019062784",
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      "lbr": "l7812acv.lbr"
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    "distributor_links": {
      "lcsc": "C193763",
      "digikey": "497-1450-5-ND",
      "mouser": "511-L7812ACV"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T15:59:31Z",
      "source": "Component Ocean /api/assign-pns",
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        "status": "found"
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      "mouser": {
        "pn": "511-L7812ACV",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated DC input voltage, rated up to 35 V absolute maximum for the 12 V output version, with VI = 14.8 to 25 V for the specified 12 V output range."
      },
      {
        "number": "2",
        "name": "GROUND",
        "type": "power_in",
        "description": "Common ground reference for input and output, also connected to the metal tab of the TO-220 package."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 12 V output (11.75 to 12.25 V at 25 °C) delivering up to 1.5 A with internal current limiting and thermal shutdown."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The Figure 3 pin drawing lists OUTPUT, GROUND, INPUT from top to bottom in the TO-220 top view but d; L7812ACV is the TO-220 (single gauge) order code in Table 27. The pinout is the same for the dual-ga",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 55,
        "cost_usd": 0.7607,
        "at": "2026-10-10T15:59:15"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896408019062784",
        "pages": 55,
        "sha256": "ca2cee3c82e6b40e",
        "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": "l7812acv.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "6ac5d7f3891d506d0d6ed85b7177ddb6c5b663e47b78a26dfec0049093a1ba35",
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TO-220",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ca2cee3c82e6b40e",
      "rows": [
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 11.5,
          "typ": 12,
          "max": 12.5,
          "conditions": "IO = 5 mA to 1 A, VI = 14.8 to 25 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 11.75,
          "typ": 12,
          "max": 12.25,
          "conditions": "TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 13,
          "max": 120,
          "conditions": "VI = 14.8 to 30 V, IO = 500 mA, TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 16,
          "max": 120,
          "conditions": "VI = 16 to 12 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
          "max": 60,
          "conditions": "VI = 16 to 12 V, TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 25,
          "max": 100,
          "conditions": "IO = 5 mA to 1 A",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": 100,
          "conditions": "IO = 5 mA to 1.5 A, TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "IO = 250 to 750 mA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.4,
          "max": 6,
          "conditions": "TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change",
          "symbol": "DIq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VI = 15 to 30 V, IO = 500 mA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change",
          "symbol": "DIq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IO = 5 mA to 1 A",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Output voltage drift",
          "symbol": "ΔVO/ΔT",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": null,
          "typ": -1,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VI = 15 to 25 V, f = 120 Hz, IO = 500 mA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "IO = 1 A, TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "µV/VO",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "TA = 25 °C, B = 10 Hz to 100 kHz",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Output resistance",
          "symbol": "RO",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 18,
          "max": null,
          "conditions": "f = 1 kHz",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Short circuit current",
          "symbol": "Isc",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "VI = 35 V, TA = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Short circuit peak current",
          "symbol": "Iscp",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2.2,
          "max": null,
          "conditions": "TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "for VO = 5 to 18 V (applies to 12 V output)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TOP",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 125,
          "conditions": "for L78xxAC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-case",
          "symbol": "RthJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "TO-220 package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-ambient",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "TO-220 package",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "L7812ACV (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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