main
Ray Set visibility: public 6850194 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "l7808cv",
  "title": "L7808CV",
  "brief": "UMW 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",
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  "component": {
    "mpn": "L7808CV",
    "manufacturer": "UMW",
    "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/8755878760052998144",
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      "lbr": "l7808cv.lbr"
    },
    "distributor_links": {
      "lcsc": "C347290",
      "digikey": "497-2949-5-ND",
      "mouser": "511-L7808CV"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T02:00:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-2949-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-L7808CV",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I",
        "type": "power_in",
        "description": "Unregulated input pin; the absolute maximum input voltage is 35 V for VO = 5 to 18 V and 40 V for VO = 24 V."
      },
      {
        "number": "2",
        "name": "G",
        "type": "power_in",
        "description": "Ground (common) reference pin for the regulator; the datasheet gives no additional limits for this pin."
      },
      {
        "number": "3",
        "name": "O",
        "type": "power_out",
        "description": "Regulated output pin, rated for output current up to 1.2 A, with internal thermal overload and short-circuit protection."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 pinning table on page 1 is garbled in the extracted text. The symbols I, G, O and descriptions I; The input voltage limits (35 V and 40 V) are printed in the absolute maximum table with separate VO ; The datasheet covers the whole L78xx family (5 to 24 V). The pinout is the same for the 8 V variant "
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        "pages_sent": 17,
        "cost_usd": 0.0377,
        "at": "2026-10-17T01:58:36"
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        "pages": 17,
        "sha256": "dacd5725e1e3b73b",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "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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  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "TO-220",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dacd5725e1e3b73b8c4214141d89bf34c4acf3618e3a5cad6b86ec365596cd67",
      "rows": [
        {
          "name": "Output voltage (TJ=25°C)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 7.7,
          "typ": 8,
          "max": 8.3,
          "conditions": "TJ=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (over temperature)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 7.6,
          "typ": 8,
          "max": 8.4,
          "conditions": "TJ=-40 to 125°C (table note)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "IO=5mA to 1A, PO≤15W, VI=11.5V to 23V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line regulation (second condition)",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "VI=11V to 17V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "TJ=25°C, IO=5mA to 1.2A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (250 mA to 750 mA)",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "TJ=25°C, IO=250mA to 750mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "TJ=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change (line)",
          "symbol": "ΔIQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VI=11.5V to 25V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change (load)",
          "symbol": "ΔIQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IO=5mA to 1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (VO=5 to 18V)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "VO=5 to 18V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "ΔVO/ΔT",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": null,
          "typ": 0.45,
          "max": null,
          "conditions": "IO=5mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short circuit current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "TJ=25°C, VI=35V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 62,
          "max": null,
          "conditions": "VI=11.5V to 21.5V, f=120Hz, IO=500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-case (TO-220)",
          "symbol": "RthJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-ambient (TO-220)",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "L7808CV (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}