main
Ray Set visibility: public c305c89 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm317lipk-hxy",
  "title": "LM317LIPK-HXY",
  "brief": "HXY MOSFET Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. 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": "LM317LIPK-HXY",
    "manufacturer": "HXY MOSFET",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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    "distributor_links": {
      "lcsc": "C19626992"
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    "distributor_check": {
      "checked_at": "2026-10-17T23:44:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "passive",
        "description": "Adjustable pin of the regulator, where the adjustment current IADJ is listed at 46 to 100 µA and is controlled to less than 100 µA per Note 3."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin, where the input-output differential VI-VO is rated at 40 V maximum and at least 3 V is required for the specified regulation; CIN of 0.1 µF is required if the regulator is far from the supply filter."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output pin, adjustable from 1.2 V to 37 V, with output current rated at 100 mA minimum and 200 mA maximum under the stated conditions."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "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 PIN DESCRIPTION table lists the names as ADJ, Input Voltage, Output Voltage against pin numbers ; Pin types and descriptions for ADJ, VIN and VOUT are my ERC-class assignments based on the function "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0267,
        "at": "2026-10-17T23:42:51"
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      "datasheet": {
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        "pages": 4,
        "sha256": "3bcbe0cdd132497c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-17",
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  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOT-89",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3bcbe0cdd132497cc422341f1b25469fd1ea17081c6c5de1f229f3767a8de0bf",
      "rows": [
        {
          "name": "Input-output Voltage Differential",
          "symbol": "VI-VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TSOL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 230,
          "conditions": "10 sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJOPR",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.04,
          "conditions": "TA=-40 ∼125℃; 3V≤VI-VO≤40V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.07,
          "conditions": "3V≤VI-VO≤40V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 25,
          "conditions": "TA=25℃, 10㎃≤Io≤IMAX, VO≤5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "TA=25℃, 10㎃≤Io≤IMAX, VO≥5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 80,
          "conditions": "10㎃≤Io≤IMAX, VO≤5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.3,
          "max": 1.7,
          "conditions": "10㎃≤Io≤IMAX, VO≥5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Adjustable Pin Current",
          "symbol": "IADJ",
          "kind": "electrical",
          "unit": "㎂",
          "min": null,
          "typ": 46,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Adjustable Pin Current Change",
          "symbol": "△IADJ",
          "kind": "electrical",
          "unit": "㎂",
          "min": null,
          "typ": 0.2,
          "max": 5,
          "conditions": "3V≤VI-VO≤40V, 10㎃≤IO≤IMAX, P≤PMAX",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "3V≤VIN-VOUT≤40V, 10㎃≤Io≤IMAX, PD≤PMAX",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current to Maintain Regulation",
          "symbol": "L(MIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": 10,
          "conditions": "VI-Vo=40V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IO(MAX)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "VI-Vo≤5V, PD≤PMAX",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IO(MAX)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.156,
          "max": 0.4,
          "conditions": "VI-VO≤40V, PD≤PMAX, TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RMS Noise, % of VOUT",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "%/VO",
          "min": null,
          "typ": 0.003,
          "max": 0.01,
          "conditions": "TA=25℃, 10Hz≤f≤10KHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection without CADJ",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VO=10V, f=120Hz, without CADJ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection with CADJ",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 66,
          "max": 75,
          "conditions": "VO=10V, f=120Hz, CADJ=10㎌",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Long-Term Stability",
          "symbol": "ST",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "TJ=THIGH; TA=25℃, for end point measurements, 1000HR",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "LM317LIPK-HXY (HXY MOSFET) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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