main
Ray Set visibility: public ef7bbfe 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lr7805",
  "title": "LR7805",
  "brief": "LRC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "TO-220",
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    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "lbr": "lr7805.lbr"
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    "distributor_links": {
      "lcsc": "C2846986"
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    "distributor_check": {
      "checked_at": "2026-10-17T18:38:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Input",
        "type": "power_in",
        "description": "Unregulated input voltage to the regulator; the datasheet's absolute maximum input voltage is 35 V for 5 V to 18 V outputs (40 V for the 24 V output)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference pin for the regulator, shared by input and output."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "power_out",
        "description": "Regulated 5 V output, rated for output current up to 1 A with short-circuit current limiting and thermal overload shutdown protection."
      }
    ],
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers the LR78XX family and gives one pin legend for the TO-220 package ('1: Input 2:; The datasheet lists input voltage limits as 35 V for Vo = 5 to 18 V and 40 V for Vo = 24 V. The pin "
        ],
        "pages_sent": 8,
        "cost_usd": 0.048,
        "at": "2026-10-17T18:36:04"
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        "pages": 8,
        "sha256": "8800dff161aa5d05",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
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  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "TO-220",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. The data above represents pulse test conditio",
        "page": 6,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "8800dff161aa5d05b11ab2f823eb0bfc93e5f61e630f86957fe4756dbb3a6281"
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    "characteristics": {
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      "rows": [
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          "kind": "electrical",
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          "min": 4.8,
          "typ": 5,
          "max": 5.2,
          "conditions": "Tj=25°C, IO=5mA - 1.0A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (line/load/temperature)",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 5.25,
          "conditions": "VI=7.5V to 20V, IO=5mA - 1.0A, PD≤15W",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 9,
          "max": 100,
          "conditions": "Tj=25°C, IO=5mA - 1.0A",
          "source_page": 2,
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          "name": "Load Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
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          "conditions": "Tj=25°C, IO=0.25A - 0.75A",
          "source_page": 2,
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        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VI=7V to 25V, Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VI=8V to 12V, Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Tj=25°C, IO≤1.0A",
          "source_page": 2,
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        },
        {
          "name": "Quiescent Current Change",
          "symbol": "ΔIq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.3,
          "conditions": "VI=7.5V to 20V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "ΔIq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IO=5mA - 1.0A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 62,
          "typ": 73,
          "max": null,
          "conditions": "VI=8V - 18V, f=120Hz, Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "PV",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "10Hz≤f≤100kHz",
          "source_page": 2,
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        },
        {
          "name": "Peak Output Current",
          "symbol": "IPK",
          "kind": "electrical",
          "unit": "A",
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          "max": null,
          "conditions": "Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "VI=35V, Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (for Vo=5~18V)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
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        {
          "name": "Thermal Resistance Junction-Air",
          "symbol": "RTJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
    "lr7805"
  ],
  "discovery_pitch": "LR7805 (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}