main
Ray Set visibility: public 517b5eb 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lr1117cs12x",
  "title": "LR1117CS12X",
  "brief": "LRC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "lr1117cs12x",
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    "manufacturer": "LRC",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5dc837ab51f06733f0c4397cac125575.pdf",
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      "lbr": "lr1117cs12x.lbr"
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    "distributor_links": {
      "lcsc": "C117518"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T15:35:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vss/ADJ",
        "type": "power_in",
        "description": "Ground pin of the LR1117C fixed 1.2V version, which serves as the ADJ pin on the adjustable version where two external resistors set the output from 1.25V to 12V."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output with a maximum output current of 1A and output voltage accuracy within ±2%."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Input pin with an input voltage range of maximum 15V and a dropout of 1.3V at 1A load current."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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": [],
        "pages_sent": 13,
        "cost_usd": 0.0403,
        "at": "2026-11-05T15:35:39"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5dc837ab51f06733f0c4397cac125575.pdf",
        "pages": 13,
        "sha256": "56e4ce95ef3d2532",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lr1117cs12x-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
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        "sha256": "cc2c24681ea000a6a4b50a00cd0ab0d6360a8584c79cce138e0f4115bd21708f",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ],
    "package_dims": {
      "package_code": "SOT223",
      "source_page": 10,
      "D": {
        "nom_mm": 6.5,
        "range_mm": [
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          6.7
        ]
      },
      "E1": {
        "nom_mm": 3.5,
        "range_mm": [
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      },
      "E": {
        "nom_mm": 7,
        "range_mm": [
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      "e": {
        "nom_mm": 2.3,
        "range_mm": [
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          null
        ]
      },
      "A": {
        "nom_mm": 1.6,
        "range_mm": [
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          1.7
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lr1117cs12x.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-223",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "Note: 1.Rθja Test conditions:The device mounted on 42.25mm2(Pin2) FR-4 board with 2oz. Copper",
        "page": 2,
        "doc": "ds.pdf",
        "material": "Copper"
      },
      "version": 1,
      "datasheet_sha256": "56e4ce95ef3d253220571a9167007998feaf9876f95f7c2e9cd9b21c3208603e"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "56e4ce95ef3d253220571a9167007998feaf9876f95f7c2e9cd9b21c3208603e",
      "rows": [
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          "name": "Output Voltage (LR1117C-1.2V)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 1.176,
          "typ": 1.2,
          "max": 1.224,
          "conditions": "0≤Iout≤1A, Vin=3.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (LR1117C-1.2V)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "Iout=10mA, 2.7V≤Vin≤10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (LR1117C-1.2V)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "Vin =2.7V, 10mA≤Iout≤1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.23,
          "max": 1.3,
          "conditions": "Iout=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "Iout=1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (LR1117C-1.2V)",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "Vin =10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient",
          "symbol": "ΔV/ΔT",
          "kind": "temperature_coefficient",
          "unit": "ppm",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Max Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Operating Junction Temperature (Tj)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Operating Temperature (Ta)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature (Ts)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature & Time",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10S",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature (Tj)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "Ilimit",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Vin-Vout=2V, Tj=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "f = 120Hz, VIN − VOUT = 3V + 1VPP Ripple",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient (SOT-223, no air flow)",
          "symbol": "Rθja",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 105,
          "max": null,
          "conditions": "Mounted on 42.25mm2 (Pin2) FR-4 board with 2oz copper",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Case (SOT-223)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "LR1117CS12X (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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