main
Ray Set visibility: public 2e5b333 15d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "78l18k",
  "title": "78L18K",
  "brief": "Shikues Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. 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)",
    "78l18k",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "78L18K",
    "manufacturer": "Shikues",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603322996338024448",
    "parts": {
      "symbol": "78l18k.kicad_sym",
      "footprint": "78l18k.kicad_mod",
      "model_3d": "78l18k-hero.glb",
      "model_3d_plain": "78l18k-etched.glb",
      "model_3d_step": "78l18k-etched.step",
      "model_3d_step_plain": "78l18k.step",
      "lbr": "78l18k.lbr"
    },
    "distributor_links": {
      "lcsc": "C22400124"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:48:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output terminal, rated for up to 100 mA output current (IOUT 100 mA maximum)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (common) terminal of the regulator."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input terminal; maximum input voltage is 30 V for VOUT 4.4 to 10 V and 35 V for VOUT 12 to 18 V."
      }
    ],
    "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 datasheet lists SOT-89 as the only package for this family and gives the pin mapping (1: OUT, 2:; The datasheet does not label which bypass capacitor (C1 0.33 μF or C2 0.1 μF) is on the input and wh"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0343,
        "at": "2026-10-18T00:46:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603322996338024448",
        "pages": 7,
        "sha256": "b86034afba8c5da7",
        "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": "78l18k.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "78l18k-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "3416836eec470bf20d6fd456919835a2453586f07b577bf9888bf1875c73f3c3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shikues",
      "Package": "SOT-89",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b86034afba8c5da742efd0a3b0400bc8603920afe59b8da8501bbad046c724ae",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 17.3,
          "typ": 18,
          "max": 18.7,
          "conditions": "Tj=25C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 17.1,
          "typ": null,
          "max": 18.9,
          "conditions": "20V≤VI≤33V, IO=1mA~40mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 27,
          "max": 180,
          "conditions": "Tj=25C, IO=1mA~100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 19,
          "max": 90,
          "conditions": "Tj=25C, IO=1mA~40mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 70,
          "max": 360,
          "conditions": "20.5V≤VI≤33V, Tj=25C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 64,
          "max": 300,
          "conditions": "22V≤VI≤33V, Tj=25C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.7,
          "max": 6.5,
          "conditions": "Tj=25C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "22V≤VI≤33V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "1mA≤IO≤40mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "10Hz≤f≤100kHz, Tj=25C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient of Vo",
          "symbol": "Vo/T",
          "kind": "temperature_coefficient",
          "unit": "mV/C",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "Io=5mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 32,
          "max": 36,
          "conditions": "21.5V≤VI≤31.5V, f=120Hz, Tj=25C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "VOUT=12~18V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "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": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "78l18k"
  ],
  "discovery_pitch": "78L18K (Shikues) 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",
    "78l18k.kicad_sym",
    "78l18k.kicad_mod",
    "78l18k.glb",
    "78l18k.step",
    "78l18k.lbr",
    "docs/hero.png",
    "docs/78l18k-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "78l18k-hero.glb",
    "78l18k-hero.overlay.json",
    "78l18k-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}