main
Ray Set visibility: public da94e4c 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "icw1235a33s3gq1",
  "title": "ICW1235A33S3GQ1",
  "brief": "ICW Linear Voltage Regulators (LDO), 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 supply chip",
    "icw1235a33s3gq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ICW1235A33S3GQ1",
    "manufacturer": "ICW",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a599e0bc7755a4cbd8122becbf209220.pdf",
    "parts": {
      "symbol": "icw1235a33s3gq1.kicad_sym",
      "footprint": "icw1235a33s3gq1.kicad_mod",
      "model_3d": "icw1235a33s3gq1-hero.glb",
      "model_3d_plain": "icw1235a33s3gq1-etched.glb",
      "model_3d_step": "icw1235a33s3gq1-etched.step",
      "model_3d_step_plain": "icw1235a33s3gq1.step",
      "lbr": "icw1235a33s3gq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C19271481"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:27:25Z",
      "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": "Voltage input; operating range 2.2V to 40V (absolute maximum 45V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the tab (also marked 2) is connected to ground to improve thermal performance."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated voltage output (3.3V fixed, up to 200mA); 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 CE/EN pin is internal on this variant (A33S3: 'CE 端内置'), so the SOT223 drawing shows no EN pin. ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1925,
        "at": "2026-10-23T06:26:41"
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        "pages": 16,
        "sha256": "e7ab4cabf6c20998",
        "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": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "icw1235a33s3gq1-etched.step",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0b966066d8211b2d92c32b7332555037ed45e62c01b0259cb5feaa9aca6b3679",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ICW",
      "Package": "SOT-223",
      "Category": "Power Supply Chip",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e7ab4cabf6c209989a983ba5bdac98e3fc463c64cb98b63f7acb25e8907010b9",
      "rows": [
        {
          "name": "Output voltage",
          "symbol": "VOUT(S)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VIN=VOUT(S)+2V, IOUT=1mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage 1mA",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "VEN=VIN, VOUT(S)=3.3V, IOUT=1mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage 200mA",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": 1800,
          "conditions": "VEN=VIN, VOUT(S)=3.3V, IOUT=200mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVOUT/(ΔVIN·VOUT)",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.02,
          "conditions": "VOUT(S)+2V≤VIN≤40V, IOUT=1mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "VOUT(S)≤5.3V, VIN=VOUT(S)+2V, 1mA≤IOUT≤200mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Temperature stability",
          "symbol": "ΔVOUT/(ΔTa·VOUT(S))",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VIN=VOUT(S)+2V, IOUT=10mA, -40≤Ta≤125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": 1,
          "typ": 1.5,
          "max": 2.5,
          "conditions": "VEN=VIN, no load, 3.0≤VOUT(S)≤5.3V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current at 100mA",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 420,
          "max": null,
          "conditions": "IOUT=100mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VIN=40.0V, VEN=0",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 150,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 200,
          "typ": 450,
          "max": null,
          "conditions": "VIN=VOUT(S)+2V, VOUT=0.95×VOUT(S)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short circuit current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "VIN=VEN=VOUT(S)+2.0V, VOUT=0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN high voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN low voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN high leakage",
          "symbol": "IENH",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=40V, VEN=VIN",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN low leakage",
          "symbol": "IENL",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=40V, VEN=0",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PSRR 100Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 79,
          "max": null,
          "conditions": "f=100Hz, IOUT=10mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PSRR 1kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 62,
          "max": null,
          "conditions": "f=1kHz, IOUT=10mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PSRR 10kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 48,
          "max": null,
          "conditions": "f=10kHz, IOUT=10mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PSRR 100kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "f=100kHz, IOUT=10mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature protection",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "IOUT=1mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation SOT223-3",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1500,
          "conditions": "SOT223-3",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient SOT223-3",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 66,
          "max": null,
          "conditions": "SOT223-3",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -4000,
          "typ": null,
          "max": 4000,
          "conditions": "HBM",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "ICW1235A33S3GQ1 (ICW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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