main
Ray Set visibility: public 85d1a3e 17d ago
{
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  "type": "component",
  "slug": "lr1117dd12x",
  "title": "LR1117DD12X",
  "brief": "LRC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "mpn": "LR1117DD12X",
    "manufacturer": "LRC",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603136453258067968",
    "parts": {
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      "lbr": "lr1117dd12x.lbr"
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    "distributor_links": {
      "lcsc": "C5447795"
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    "distributor_check": {
      "checked_at": "2026-10-18T06:58:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground reference pin for the fixed-voltage regulator; the datasheet gives no separate electrical limit for this pin."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated 1.2V output for this fixed version, specified for output currents up to 1A with output voltage accuracy within ±2%."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Input supply pin, with recommended operating input voltage up to 15V (absolute maximum 18V), and a 10uF input capacitor recommended."
      }
    ],
    "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": [
          "extractor flagged: The ordering code LR1117DD12X decodes to package D (TO-252), output 12 (1.2V fixed), Pb-free X. The ; The datasheet's pin table is given once for the S (SOT-223) and D (TO-252) package types together. N; Input voltage limits differ in the datasheet: the recommended operating range is max 15V, while the "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0456,
        "at": "2026-10-18T06:56:36"
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        "pages": 13,
        "sha256": "826e52c5803f51a0",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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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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        "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)"
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        "checked": "2026-10-18",
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  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "TO-252",
      "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": "826e52c5803f51a0e221a2c962e78ea559001527ff15c8aec0c09642c5081f97"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "826e52c5803f51a0e221a2c962e78ea559001527ff15c8aec0c09642c5081f97",
      "rows": [
        {
          "name": "Output Voltage (1.2V fixed version)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.164,
          "typ": 1.2,
          "max": 1.224,
          "conditions": "0≤Iout≤1A, Vin=3.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (1.2V fixed version)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.03,
          "max": 0.2,
          "conditions": "Iout=10mA, 2.7V≤Vin≤10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (1.2V fixed version)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 8,
          "conditions": "Vin=2.7V, 10mA≤Iout≤1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.15,
          "max": 1.4,
          "conditions": "Iout=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
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          "typ": 1.2,
          "max": 1.4,
          "conditions": "Iout=1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (1.2V fixed version)",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 6,
          "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": "Input Voltage Range",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Operating Temperature",
          "symbol": "Ta",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Max Operating Junction Temperature",
          "symbol": "Tj",
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          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
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          "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": "Thermal Resistance Junction to Case (TO252)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Junction to case, TO252 package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient (TO252)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 136,
          "max": null,
          "conditions": "Junction to ambient, TO252; device mounted on 42.25mm² (Pin2) FR-4 board with 2oz copper",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "LR1117DD12X (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}