main
Ray Set visibility: public 644bb85 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "icw1261a50s3gq1",
  "title": "ICW1261A50S3GQ1",
  "brief": "ICW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3L. 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)",
    "icw1261a50s3gq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ICW1261A50S3GQ1",
    "manufacturer": "ICW",
    "package": "SOT-223-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602958756766900224",
    "parts": {
      "symbol": "icw1261a50s3gq1.kicad_sym",
      "footprint": "icw1261a50s3gq1.kicad_mod",
      "model_3d": "icw1261a50s3gq1-hero.glb",
      "model_3d_plain": "icw1261a50s3gq1-etched.glb",
      "model_3d_step": "icw1261a50s3gq1-etched.step",
      "model_3d_step_plain": "icw1261a50s3gq1.step",
      "lbr": "icw1261a50s3gq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C19271479"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T04:30:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin; operating input range 2.2V to 60V (absolute maximum -0.3 to 65V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the package tab is also labeled pin 2 in the SOT223-3L drawing."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0V output pin, up to 150mA, requires 2.2uF or larger output capacitor and must not exceed VIN+0.3V."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT223-3L drawing labels the tab as 2 (GND, same as the pin 2 net). The tab is not listed as a s; The SOT223-3L variant has no EN pin. The datasheet says EN is only on some packages, and the SOT223 ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1783,
        "at": "2026-10-18T04:28:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602958756766900224",
        "pages": 17,
        "sha256": "913cf67cbbac4a27",
        "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"
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    "models_3d": [
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        "file": "icw1261a50s3gq1.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "icw1261a50s3gq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.7
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b37afa3d80aebf707685238f1aaa4c6c26eef302503adba2875abad8461c1647",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ICW",
      "Package": "SOT-223-3L",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "913cf67cbbac4a27e128e294c5b6e235615b5ab4079044d7cff0758f02504a31",
      "rows": [
        {
          "name": "Output Voltage Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT(S)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.98,
          "typ": null,
          "max": 1.02,
          "conditions": "VIN=VOUT(S)+2V, IOUT=1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 8,
          "max": 16,
          "conditions": "VEN=VIN, VOUT(S)=5.0V, IOUT=1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1300,
          "max": 1800,
          "conditions": "VEN=VIN, VOUT(S)=5.0V, IOUT=150mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/ΔVIN",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.02,
          "conditions": "VOUT(S)+2V≤VIN≤60V, IOUT=1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "VOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "VIN=VOUT(S)+2V, 1mA≤IOUT≤150mA, VOUT(S)≤5.3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "ΔVOUT/ΔT",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "VIN=VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤125℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "GND Current, no load",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": 1,
          "typ": 2.3,
          "max": 3,
          "conditions": "VEN=VIN, no load, 3.0≤VOUT(S)≤5.3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VIN=60V, VEN=0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN High Level Voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Low Level Voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN High Level Current",
          "symbol": "IENH",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=60V, VEN=VIN",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Low Level Current",
          "symbol": "IENL",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=60V, VEN=0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 65,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1500,
          "conditions": "SOT223-3L",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection HBM",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -4000,
          "typ": null,
          "max": 4000,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ground Current, Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 240,
          "max": null,
          "conditions": "VEN=VIN=VOUT(S)+2V, VOUT=0.95×VOUT(S)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VIN=VEN=VOUT(S)+2.0V, VOUT=0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio f=10Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 76,
          "max": null,
          "conditions": "f=10Hz, IOUT=10mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio f=100Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "f=100Hz, IOUT=10mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio f=1kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 63,
          "max": null,
          "conditions": "f=1kHz, IOUT=10mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Over Temperature Protection",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "IOUT=1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 66,
          "max": null,
          "conditions": "SOT223-3L",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "ICW1261A50S3GQ1 (ICW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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