main
Ray Set visibility: public a9fd291 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "gn78m05a",
  "title": "GN78M05A",
  "brief": "GN Semic Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. 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)",
    "gn78m05a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GN78M05A",
    "manufacturer": "GN Semic",
    "package": "TO-252-2",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918498374389760",
    "parts": {
      "symbol": "gn78m05a.kicad_sym",
      "footprint": "gn78m05a.kicad_mod",
      "model_3d": "gn78m05a-hero.glb",
      "model_3d_plain": "gn78m05a-etched.glb",
      "model_3d_step": "gn78m05a-etched.step",
      "model_3d_step_plain": "gn78m05a.step",
      "lbr": "gn78m05a.lbr"
    },
    "distributor_links": {
      "lcsc": "C427453"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:16:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input pin; the absolute maximum input voltage is 35 V (VI)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet gives no further functional description for this pin."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 5 V output, rated for up to 0.5 A maximum output current."
      }
    ],
    "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 hint says TO-252-2, but the datasheet only shows a 3-terminal package labeled TO-252 (1 IN, 2 GN; The datasheet names pin 2 as GND but does not describe its function beyond that label. The descripti"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0208,
        "at": "2026-10-18T05:14:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918498374389760",
        "pages": 4,
        "sha256": "530765d043a2cf30",
        "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": "gn78m05a.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gn78m05a-etched.step",
        "role": "eda",
        "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": "f62a5c59088bf72adc8f55af818abeacfd8758b4307f3a933a15e634d78567f7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GN Semic",
      "Package": "TO-252-2",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "530765d043a2cf3052c273b6e93a5fe1f9c93d5fb8860c7700c438fa0df562af",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.8,
          "typ": 5,
          "max": 5.2,
          "conditions": "Vi=7V-20V Io=5mA~350mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Io=5mA-500mA TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Io=5mA~200mA TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Vi=7V~25V TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Vi=8V~25V TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 62,
          "typ": null,
          "max": null,
          "conditions": "Vi=8V~18V f=120Hz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "ΔIQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Vi=8V~25V",
          "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~350mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gn78m05a"
  ],
  "discovery_pitch": "GN78M05A (GN Semic) 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",
    "gn78m05a.kicad_sym",
    "gn78m05a.kicad_mod",
    "gn78m05a.glb",
    "gn78m05a.step",
    "gn78m05a.lbr",
    "docs/hero.png",
    "docs/gn78m05a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gn78m05a-hero.glb",
    "gn78m05a-hero.overlay.json",
    "gn78m05a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}