main
Ray Set visibility: public e8ede97 12d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lr9102g-33-al5-r",
  "title": "LR9102G-33-AL5-R",
  "brief": "UTC(Unisonic Tech) Linear Voltage Regulators (LDO), SOT-353. 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 ics",
    "lr9102g-33-al5-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LR9102G-33-AL5-R",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "SOT-353",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cf81d2be127fad27144a590bfc3f2993.pdf",
    "parts": {
      "symbol": "lr9102g-33-al5-r.kicad_sym",
      "footprint": "lr9102g-33-al5-r.kicad_mod",
      "model_3d": "lr9102g-33-al5-r-hero.glb",
      "model_3d_plain": "lr9102g-33-al5-r-etched.glb",
      "model_3d_step": "lr9102g-33-al5-r-etched.step",
      "model_3d_step_plain": "lr9102g-33-al5-r.step",
      "lbr": "lr9102g-33-al5-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C431682"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:02:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Chip enable pin, active when high (VCEH min 1.2V, VCEL max 0.3V, absolute maximum 6V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
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      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, absolute maximum 6V."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output pin delivering up to 300mA output current."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      }
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    "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 SOT-353 column of the page 3 pin table is garbled. VIN is listed as '5, 6' and NC as '6', but SO"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0138,
        "at": "2026-10-27T07:02:09"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cf81d2be127fad27144a590bfc3f2993.pdf",
        "pages": 6,
        "sha256": "a619047cae71eb1e",
        "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": "lr9102g-33-al5-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lr9102g-33-al5-r-etched.step",
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        "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": "c99a09171e7c9b542638a3acd286e05741ad20d5530902948d6ff59eb671d177",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC(Unisonic Tech)",
      "Package": "SOT-353",
      "Category": "Power Management ICs",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a619047cae71eb1e8b23d69258dcccfe748eac8c9485b02dc33d483a312e3452",
      "rows": [
        {
          "name": "Output Voltage Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "×",
          "min": 0.99,
          "typ": null,
          "max": 1.01,
          "conditions": "VOUT > 2.0V, VIN = Set VOUT+1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VOUT ≤ 2.0V, VIN = Set VOUT+1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (CE Pin)",
          "symbol": "VCE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "upper limit VIN+0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation SOT-353",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "SOT-353",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "∆VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "1mA≤IOUT≤150mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Current LR9102",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 50,
          "max": 90,
          "conditions": "IOUT=0A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Standby)",
          "symbol": "IST-BY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 2,
          "conditions": "VCE=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VOUT=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE Pull-down Current",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE Input Voltage High",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE Input Voltage Low",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Noise",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "µVrms",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "BW=10Hz to 100kHz, IOUT=30mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "f=1kHz, Ripple 0.2VP-P, VIN=Set VOUT+1V, IOUT=30mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.12,
          "max": 0.19,
          "conditions": "IOUT=300mA, 2.8V ≤ VOUT ≤ 5.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "∆VOUT/∆VIN",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.1,
          "conditions": "1.0V≤VOUT≤4.0V, VSET+0.5V≤VIN≤5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Coefficient",
          "symbol": "∆VOUT/∆T",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "-40°C ≤ TOPR ≤ 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low Output Nch Tr. ON Resistance",
          "symbol": "RLOW",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VIN=4.0, VCE=0V",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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    "info"
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  "discovery_triggers": [
    "lr9102g-33-al5-r"
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  "discovery_pitch": "LR9102G-33-AL5-R (UTC(Unisonic Tech)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}