main
Ray Set visibility: public 9c3ebb1 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ld1117sg-3-3",
  "title": "LD1117SG-3.3",
  "brief": "BLUE ROCKET(蓝箭) 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": [
    "component",
    "power management (pmic)",
    "ld1117sg-3.3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LD1117SG-3.3",
    "manufacturer": "BLUE ROCKET(蓝箭)",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590164628287627264",
    "parts": {
      "symbol": "ld1117sg-3-3.kicad_sym",
      "footprint": "ld1117sg-3-3.kicad_mod",
      "model_3d": "ld1117sg-3-3-hero.glb",
      "model_3d_plain": "ld1117sg-3-3-etched.glb",
      "model_3d_step": "ld1117sg-3-3-etched.step",
      "model_3d_step_plain": "ld1117sg-3-3.step",
      "lbr": "ld1117sg-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C509137"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T05:31:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND/ADJ",
        "type": "power_in",
        "description": "Ground pin for the fixed-output LD1117SG-3.3, and the adjust pin on the LD1117SG-ADJ, where Iadj is 60 to 120 uA (typ./max as printed)."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output, rated for output current up to 1.0 A with internal current and thermal limiting."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input supply; the LD1117SG-3.3 specifies Vin of 4.75 V to 15 V and the absolute maximum DC input voltage is 15 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: Pin 1 is printed as 'GND/ADJ'. For the LD1117SG-3.3 it functions as GND; the ADJ function applies on; The datasheet text does not list a pin 4 or describe the SOT-223 metal tab. Only pins 1, 2 and 3 are; Pinout is given only in the Chinese/English Pinning section on page 1 with no pin diagram text; numb"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0243,
        "at": "2026-10-17T05:28:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590164628287627264",
        "pages": 8,
        "sha256": "1d8b8e203a769b37",
        "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": "ld1117sg-3-3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ld1117sg-3-3-etched.step",
        "role": "eda",
        "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": "22e92755c234ddeeb7afa8d44257f2c884178b3c1913fe686a9a9f4c5032b288",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BLUE ROCKET(蓝箭)",
      "Package": "SOT-223",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1d8b8e203a769b37299837d865aba1abfd7747988dd7e9831684b452575fe15c",
      "rows": [
        {
          "name": "Output Voltage (Vin=5.3V, Io=10mA, Tj=25℃)",
          "symbol": "Vo",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.234,
          "typ": 3.3,
          "max": 3.366,
          "conditions": "Vin=5.3V Io=10mA Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (0≤Io≤1000mA, 4.75V≤Vin≤10V)",
          "symbol": "Vo",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.234,
          "typ": 3.3,
          "max": 3.366,
          "conditions": "0≤Io≤1000mA, 4.75V≤Vin≤10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Vin=4.75V 0mA≤Io≤1000mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 48,
          "conditions": "Io=0mA 4.75V≤Vin≤15V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Input Voltage",
          "symbol": "Vin",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "Vin≤15V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "Io",
          "kind": "electrical",
          "unit": "mA",
          "min": 800,
          "typ": 950,
          "max": 1300,
          "conditions": "Vin-Vo=5V Tj=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Noise",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "uV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 75,
          "max": null,
          "conditions": "Io=40mA f=120Hz Tj=25℃ Vin-Vo=3V Vripple=1Vpp",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Io=100mA)",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.1,
          "conditions": "Io=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Io=500mA)",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.15,
          "conditions": "Io=500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Io=800mA)",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "Io=800mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Io=1000mA)",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "Io=1000mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "Ta=25℃ 30ms Pulse",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Electrical Characteristics Junction Temperature Range",
          "symbol": "Tj",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -25,
          "typ": null,
          "max": 125,
          "conditions": "Electrical characteristics table header: Tj= -25 to 125℃",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "info"
  ],
  "discovery_triggers": [
    "ld1117sg-3.3"
  ],
  "discovery_pitch": "LD1117SG-3.3 (BLUE ROCKET(蓝箭)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "ld1117sg-3-3.lbr",
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  "visibility": {
    "public": true
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}