main
Ray Set visibility: public 0e08b40 7h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lk112m18tr",
  "title": "LK112M18TR",
  "brief": "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.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lk112m18tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LK112M18TR",
    "manufacturer": "STMicroelectronics",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/lk112m18tr.pdf",
    "parts": {
      "symbol": "lk112m18tr.kicad_sym",
      "footprint": "lk112m18tr.kicad_mod",
      "model_3d": "lk112m18tr-hero.glb",
      "model_3d_plain": "lk112m18tr-etched.glb",
      "model_3d_step": "lk112m18tr-etched.step",
      "model_3d_step_plain": "lk112m18tr.step",
      "lbr": "lk112m18tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2971117",
      "digikey": "497-7806-2-ND",
      "mouser": "511-LK112M18"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:51:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-7806-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-LK112M18",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input disables the regulator when it is connected to GND or to a positive voltage less than 0.6 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin is internally connected to the die attach flag to decrease the total thermal resistance and increase the package ability to dissipate power."
      },
      {
        "number": "3",
        "name": "Bypass",
        "type": "passive",
        "description": "Bypass pin with 0.1 µF to improve the noise performance."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "power_out",
        "description": "Output port."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Input port."
      }
    ],
    "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: Pin types are not stated in the datasheet. They were assigned from the pin function text in Table 2 "
        ],
        "pages_sent": 18,
        "cost_usd": 0.0093,
        "at": "2026-11-05T23:51:34"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/lk112m18tr.pdf",
        "pages": 18,
        "sha256": "fc1c9dfacf62927c",
        "source_tier": "mfr"
      },
      "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": "lk112m18tr.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lk112m18tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "93e1c900e66ed56036d9757f5086647aa01ef60cfd6007c502f48411e8b94fab",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fc1c9dfacf62927c4260f47bcda6398db0bd245d432d277632ff911633982aff",
      "rows": [
        {
          "name": "Quiescent current, on mode",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 175,
          "max": 250,
          "conditions": "On mode (except ISHDN)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, off mode",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0,
          "max": 0.1,
          "conditions": "VI = 8V, VSHDN = 0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output voltage tolerance",
          "symbol": "VO",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "IO = 30mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.7,
          "max": 20,
          "conditions": "VI = VO+1V to VO+6V, VO ≤ 5.6V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": 30,
          "conditions": "IO = 1 to 60mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 25,
          "max": 90,
          "conditions": "IO = 1 to 150mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown input current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 12,
          "max": 35,
          "conditions": "VSHDN = 1.8V, output on",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "ΔVO/TJ",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": null,
          "typ": 0.09,
          "max": null,
          "conditions": "IO = 10mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 55,
          "max": null,
          "conditions": "VI = VO+1.5V, CBYP = 0.1µF; CO = 10µF, f = 400Hz, IO = 30mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "µVrms",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "B = 10Hz to 80kHz, CBYP = 0.1µF; CO = 10µF, VI = VO+1.5V, IO = 60mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown input logic, output on",
          "symbol": "VSHDN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.8,
          "max": null,
          "conditions": "Output on",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown input logic, output off",
          "symbol": "VSHDN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "Output off",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage (shutdown pin)",
          "symbol": "VSHDN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TOP",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-case",
          "symbol": "RthJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 81,
          "max": null,
          "conditions": "SOT23-5L",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-ambient",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 255,
          "max": null,
          "conditions": "SOT23-5L",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lk112m18tr"
  ],
  "discovery_pitch": "LK112M18TR (STMicroelectronics) 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",
    "lk112m18tr.kicad_sym",
    "lk112m18tr.kicad_mod",
    "lk112m18tr.glb",
    "lk112m18tr.step",
    "lk112m18tr.lbr",
    "docs/hero.png",
    "docs/lk112m18tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lk112m18tr-hero.glb",
    "lk112m18tr-hero.overlay.json",
    "lk112m18tr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}