AIC1642-50GXTR

{
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  "type": "component",
  "slug": "aic1642-50gxtr",
  "title": "AIC1642-50GXTR",
  "brief": "AIC(Analog Integrations) DC-DC Converters, 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",
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  "component": {
    "mpn": "AIC1642-50GXTR",
    "manufacturer": "AIC(Analog Integrations)",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/62c08ca9f748a8583d6686e8c1b5ed47.pdf",
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    "distributor_links": {
      "lcsc": "C238214"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be low impedance, so solder directly to the ground plane."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_in",
        "description": "IC supply pin; connect VOUT to the regulator output."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Internal drain of the N-MOSFET switch that drives the inductor."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 24,
        "cost_usd": 0.0012,
        "at": "2026-10-27T00:21:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/62c08ca9f748a8583d6686e8c1b5ed47.pdf",
        "pages": 24,
        "sha256": "5eca2c4ebc1182bc",
        "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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    "viewers": {
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        "seat": "z = 0",
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          4,
          4.5,
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "AIC(Analog Integrations)",
      "Package": "SOT-89-3",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5eca2c4ebc1182bc997eec3f20931d403302df543cd1d35c4bf77a406888aa1d",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.875,
          "typ": 5,
          "max": 5.125,
          "conditions": "VIN=3.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Start-Up Voltage",
          "symbol": "VSTART",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": 0.9,
          "conditions": "IOUT=1mA, VIN:02V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Min. Hold-on Voltage",
          "symbol": "VHOLD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "IOUT=1mA, VIN:20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "No-Load Input Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "IOUT=0mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SW Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VSW=6V, VS=VOUT + 0.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (AIC1642-50)",
          "symbol": "IS1",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "VS=VOUT x 0.95; Measurement of the IC input current (VOUT pin)",
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        },
        {
          "name": "Supply Current (AIC1642-50)",
          "symbol": "IS2",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "VS=VOUT + 0.5V; Measurement of the IC input current (VOUT pin)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SW Switch-On Resistance (AIC1642-50)",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": null,
          "max": 1.9,
          "conditions": "VS=VOUT x 0.95, VSW=0.4V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Duty Cycle",
          "symbol": "DUTY",
          "kind": "electrical",
          "unit": "%",
          "min": 65,
          "typ": 75,
          "max": 85,
          "conditions": "VS=VOUT x 0.95; Measurement of the SW pin waveform",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Max. Oscillator Freq.",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "KHz",
          "min": 80,
          "typ": 105,
          "max": 130,
          "conditions": "VS=VOUT x 0.95; Measurement of the SW pin waveform",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Efficiency",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 85,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN = VOUT",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Input Threshold - Chip Enable",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "Chip Enable",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Input Threshold - Chip Disable",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "Chip Disable",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (VOUT pin)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SW pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SW pin Switch Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "EN pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
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          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Maximum Junction Temperature",
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          "max": 125,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Storage Temperature Range",
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          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 Sec. soldering",
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        {
          "name": "Thermal Resistance Junction to Case (SOT-89)",
          "symbol": "",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
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        {
          "name": "Thermal Resistance Junction to Ambient (SOT-89)",
          "symbol": "",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "Assume no ambient airflow, no heatsink",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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    "name": "Ray",
    "email": "[email protected]"
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