CL9975A50P3N

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  "type": "component",
  "slug": "cl9975a50p3n",
  "title": "CL9975A50P3N",
  "brief": "CHIPLINK(芯联) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "CL9975A50P3N",
    "manufacturer": "CHIPLINK(芯联)",
    "package": "SOT-89-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603127082281021440",
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    "distributor_links": {
      "lcsc": "C5297689"
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    "distributor_check": {
      "checked_at": "2026-10-18T01:01:02Z",
      "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 terminal (接地端) of the regulator; the datasheet gives no further electrical limits for this pin."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, with a maximum input voltage of 18 V; the input must stay at least Vout+1 V for the 150 mA test condition."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output for this 5.0 V variant (CL9975A50P3N), rated up to 150 mA with ±2% output voltage accuracy and a typical dropout of 100 mV at 1 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's pin-layout diagram (管脚分布图) on page 2 contains no readable pin-orientation text, so p; CL9975A50P3N is listed under SOT89-3L in the ordering/marking table on page 2, so the SOT-89-3L vari; Headline specs from the datasheet, for reference: VIN maximum 18 V; quiescent current 2.5 µA typ / 3"
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        "cost_usd": 0.0236,
        "at": "2026-10-18T00:59:14"
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        "sha256": "6c62ecc40b52235b",
        "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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      "footprint": "viewers/footprint.html"
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "CHIPLINK(芯联)",
      "Package": "SOT-89-3L",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6c62ecc40b52235bf7446ade6352c4e3745a82917fb071c37d0ec2cfbfe8478d",
      "rows": [
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 2.5,
          "max": 3.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IOUT (max)",
          "kind": "electrical",
          "unit": "mA",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "VIN =Vout+1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "∆VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 60,
          "max": 150,
          "conditions": "VIN =Vout+2V, 1mA≤IOUT≤70mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdif1",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "IOUT =1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "∆VOUT/∆Ta",
          "kind": "temperature_coefficient",
          "unit": "mV/℃",
          "min": -0.75,
          "typ": null,
          "max": 0.75,
          "conditions": "VDD=Vout+2V Iout=10mA 0℃＜Ta＜70℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "∆VOUT/∆VIN * VOUT",
          "kind": "voltage_coefficient",
          "unit": "%/V",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "IOUT =1mA, Vout+2V≤VIN≤18",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VDD=Vout+2V Iout=10mA",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "CL9975A50P3N (CHIPLINK(芯联)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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