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Ray Set visibility: public 3d131f8 5h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "icw1233a50pgq1",
  "title": "ICW1233A50PGQ1",
  "brief": "ICW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "ICW1233A50PGQ1",
    "manufacturer": "ICW",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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    "distributor_links": {
      "lcsc": "C5448721"
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      "checked_at": "2026-10-22T21:29:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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        "name": "VSS",
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        "number": "2",
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        "type": "power_in",
        "description": "Voltage input with operating range 4.5V to 40V and absolute maximum of -0.3V to 40V."
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      {
        "number": "3",
        "name": "VOUT",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "sha256": "944c131fabbfc855",
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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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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.5,
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-22",
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  "metadata": {
    "specs": {
      "Manufacturer": "ICW",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "944c131fabbfc8552953642fe1e06165f30522c045f0a3a7f2dd639888ac0599",
      "rows": [
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 3.5,
          "max": 6,
          "conditions": "VIN= VOUT+2V, VOUT<8V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ICEL",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.4,
          "max": 1,
          "conditions": "VCE=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE high-level voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": null,
          "conditions": "enable on",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE low-level voltage",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "shutdown",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VIN pin voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
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        {
          "name": "VOUT pin current",
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          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Package power dissipation SOT89-3",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "TA=25℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TOpr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient SOT89-3",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VIN= VOUT+2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "∆VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 11,
          "max": null,
          "conditions": "VIN= VOUT+2V, 1mA≤IOUT≤100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDIF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.116,
          "max": null,
          "conditions": "IOUT = 10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDIF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.577,
          "max": null,
          "conditions": "IOUT = 50mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDIF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.198,
          "max": null,
          "conditions": "IOUT = 100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "IOUT =10mA, VOUT+2V ≤VIN≤40V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 211,
          "max": null,
          "conditions": "最大输出电流",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Active discharge resistance",
          "symbol": "RDIS",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1600,
          "max": null,
          "conditions": "VCE<0.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 63,
          "max": null,
          "conditions": "VIN=5V+1VrmsAC, IOUT=10mA, f=100Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
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          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 61,
          "max": null,
          "conditions": "VIN=5V+1VrmsAC, IOUT=10mA, f=1kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "VIN=5V+1VrmsAC, IOUT=10mA, f=10kHz",
          "source_page": 5,
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        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 151,
          "max": null,
          "conditions": "温度上升,IOUT=10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "∆TSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "温度下降",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "ICW1233A50PGQ1 (ICW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
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