main
Ray Set visibility: public 1c8e5e8 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "qx2303l50to",
  "title": "QX2303L50TO",
  "brief": "QX Micro Devices DC-DC Converters, TO-92-3. 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",
    "qx2303l50to",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "QX2303L50TO",
    "manufacturer": "QX Micro Devices",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/621d22c36cb99aa4392dc39df5ae0b62.pdf",
    "parts": {
      "symbol": "qx2303l50to.kicad_sym",
      "footprint": "qx2303l50to.kicad_mod",
      "model_3d": "qx2303l50to-hero.glb",
      "model_3d_plain": "qx2303l50to-etched.glb",
      "model_3d_step": "qx2303l50to-etched.step",
      "model_3d_step_plain": "qx2303l50to.step",
      "lbr": "qx2303l50to.lbr"
    },
    "distributor_links": {
      "lcsc": "C236066"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:09:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the QX2303L50TO converter."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage pin (5.0V option), also the sense input; absolute maximum voltage on VOUT is 7 V."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "passive",
        "description": "Switching pin connected to the inductor and diode and to the internal power MOSFET; maximum LX current 1000 mA and maximum voltage 7 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: MPN suffix 'TO' does not exactly match the datasheet's ordering code 'PO' for TO-92 (QX2303LXXPO); a"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0654,
        "at": "2026-10-22T21:09:47"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/621d22c36cb99aa4392dc39df5ae0b62.pdf",
        "pages": 14,
        "sha256": "659c61256d7d4ee3",
        "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": "qx2303l50to.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "qx2303l50to-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "0a69b708291573ac1eeee1e0f26135543a8e125c5ec39bd3f7e270cd6047041b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "QX Micro Devices",
      "Package": "TO-92-3",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "ESD VESD ESD Voltage for Human Body Mode 2000 V Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Exposure to",
        "page": 5,
        "doc": "ds.pdf",
        "material": "Abs"
      },
      "version": 1,
      "datasheet_sha256": "659c61256d7d4ee3aff6c999d23513a666c2547cf84c1a703c39a3032a3369f1"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "659c61256d7d4ee3aff6c999d23513a666c2547cf84c1a703c39a3032a3369f1",
      "rows": [
        {
          "name": "Current Limiting",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": 600,
          "typ": 800,
          "max": 1000,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy",
          "symbol": "ΔVOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Voltage",
          "symbol": "VIN_MAX",
          "kind": "electrical",
          "unit": "VOUT",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "\"High\" Voltage Level On EN Pin",
          "symbol": "",
          "kind": "electrical",
          "unit": "VOUT",
          "min": 0.4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "\"Low\" Voltage Level On EN Pin",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "\"High\" EN input current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "\"Low\" EN input current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Standby Input Current",
          "symbol": "IINQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Without Load, EN=\"Low\"",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Voltage On VOUT and VLX Pins",
          "symbol": "VMAX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage Range On EN Pin",
          "symbol": "VMIN_MAX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max is VOUT+0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Current On LX Pin",
          "symbol": "ILX_MAX",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation TO-92",
          "symbol": "PTO-92",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature TO-92",
          "symbol": "TSD2",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 250,
          "typ": null,
          "max": 260,
          "conditions": "less than 5 sec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD Voltage Human Body Mode",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Start-up Voltage",
          "symbol": "VSTART",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "ILOAD=1mA, VIN rises from 0V to 2V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Hold-on Voltage",
          "symbol": "VHOLD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "ILOAD=1mA, VIN falls from 2V to 0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Current Without Load",
          "symbol": "IIN0",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VIN=1.8V, VOUT=3.3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Oscillation Frequency",
          "symbol": "FMAX",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "DOSC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 83,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "qx2303l50to"
  ],
  "discovery_pitch": "QX2303L50TO (QX Micro Devices) 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",
    "qx2303l50to.kicad_sym",
    "qx2303l50to.kicad_mod",
    "qx2303l50to.glb",
    "qx2303l50to.step",
    "qx2303l50to.lbr",
    "docs/hero.png",
    "docs/qx2303l50to-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "qx2303l50to-hero.glb",
    "qx2303l50to-hero.overlay.json",
    "qx2303l50to-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}