LK112SM18TR

{
  "slug": "lk112sm18tr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lk112sm18tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lk112sm18tr.kicad_sym",
    "lk112sm18tr.kicad_mod",
    "lk112sm18tr.glb",
    "lk112sm18tr.step",
    "lk112sm18tr.lbr",
    "docs/hero.png",
    "docs/lk112sm18tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lk112sm18tr-hero.glb",
    "lk112sm18tr-hero.overlay.json"
  ],
  "component": {
    "mpn": "LK112SM18TR",
    "manufacturer": "STMicroelectronics",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454953744359424",
    "parts": {
      "symbol": "lk112sm18tr.kicad_sym",
      "footprint": "lk112sm18tr.kicad_mod",
      "model_3d": "lk112sm18tr-hero.glb",
      "model_3d_plain": "lk112sm18tr.glb",
      "model_3d_step": "lk112sm18tr-etched.step",
      "model_3d_step_plain": "lk112sm18tr.step",
      "lbr": "lk112sm18tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5267952",
      "digikey": "497-7811-2-ND",
      "mouser": "511-LK112SM18"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T02:49:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-7811-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-LK112SM18",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown control input; disables the regulator when connected to GND or positive voltage lower than 0.6 V; maximum input voltage 16 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; internally connected to die attach flag to decrease total thermal resistance and increase package power dissipation ability."
      },
      {
        "number": "3",
        "name": "Bypass",
        "type": "passive",
        "description": "Bypass pin; connect 0.1 µF capacitor to reduce output noise to 30 µVrms and improve thermal noise performance."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "power_out",
        "description": "Output port; regulated voltage of 1.8 V nominal with ±2% tolerance at 25 °C, output current up to 200 mA."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Input port; operative input voltage from 2.5 to 14 V for this 1.8 V output variant; maximum input voltage rating 16 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 17,
        "cost_usd": 0.0617,
        "at": "2026-10-07T02:49:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454953744359424",
        "pages": 17,
        "sha256": "b450e613a8c75148",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lk112sm18tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lk112sm18tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ef38bcdd22c12169b25a6a709cc76eec2225142ba1d3000e29fb46bfdf6e49e7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}