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Ray Set visibility: public 07417fb 6h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm317emprg",
  "title": "LM317EMPRG",
  "brief": "HANSCHIP semiconductor Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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": [
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    "power management (pmic)",
    "lm317emprg",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM317EMPRG",
    "manufacturer": "HANSCHIP semiconductor",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603118187747954688",
    "parts": {
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      "lbr": "lm317emprg.lbr"
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    "distributor_links": {
      "lcsc": "C5145293"
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    "distributor_check": {
      "checked_at": "2026-10-18T14:27:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJUST",
        "type": "passive",
        "description": "Adjust terminal sets the output voltage with the two external resistors; the adjust current Iadj is designed to stay below 100 µA and held constant, and all quiescent current is returned to the output."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output terminal, rated for up to 1.5 A and adjustable from 1.2 V to 37 V, with a maximum input-output differential of 40 V."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Unregulated input supply terminal; the input-to-output voltage difference must stay within 40 V (VI-VO maximum 40 V), and an input bypass capacitor of 0.1 µF or 1.0 µF is recommended."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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 table on page 2 is not labelled per package; it lists pins 1-3 generically. The ordering tab; Pin 1 (ADJUST) I/O column is printed as 'P', which is not a standard KiCad class; it was mapped to p; Pin 2 (VOUT) I/O column is printed as '--' in the datasheet; mapped to power_out based on the functi"
        ],
        "pages_sent": 9,
        "cost_usd": 0.041,
        "at": "2026-10-18T14:25:12"
      },
      "datasheet": {
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        "pages": 9,
        "sha256": "864be93160b13830",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "lm317emprg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "sha256": "14300c7831066e18ac18c73537d8041599e2b31966ffe40f72a1ecce77d6a006",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HANSCHIP semiconductor",
      "Package": "SOT-223",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "864be93160b1383031bf52af2b1e7e6ce54ddfbf0a61f6258d164d91222729a8",
      "rows": [
        {
          "name": "Input-output differential voltage",
          "symbol": "VI-VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature (LM317 grade, non-A)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "LM317 grade",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 37,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage (row 1, unlabeled grade)",
          "symbol": "Vref",
          "kind": "electrical",
          "unit": "V",
          "min": 1.238,
          "typ": 1.25,
          "max": 1.262,
          "conditions": "3V≤(VIN−VOUT)≤40V, 10 mA≤IOUT≤IMAX, P≤PMAX",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage (row 2, unlabeled grade)",
          "symbol": "Vref",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation (row 1, unlabeled grade)",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.04,
          "conditions": "3V≤(VIN−VOUT)≤40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation (row 2, unlabeled grade)",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.07,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (row 1, unlabeled grade)",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "10 mA≤IOUT≤IMAX",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (row 2, unlabeled grade)",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 1.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal regulation",
          "symbol": "Reftherm",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": 0.04,
          "max": 0.07,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjust pin current",
          "symbol": "IAdj",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjust pin current change",
          "symbol": "ΔIAdj",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.2,
          "max": 5,
          "conditions": "3V≤(VIN−VOUT)≤40V, 10 mA≤IOUT≤IMAX",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum load current to maintain regulation",
          "symbol": "ILmin",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": 10,
          "conditions": "(VIN−VOUT) = 40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current (row 1)",
          "symbol": "Imax",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": 1.95,
          "max": null,
          "conditions": "(VIN−VOUT)≤15V, T package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection (row 2)",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 66,
          "typ": 80,
          "max": null,
          "conditions": "VOUT=10V, f=12 Hz, CADJ=10 μF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature stability",
          "symbol": "TS",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "TMIN≤TJ≤TMAX",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current (row 2, 40V)",
          "symbol": "Imax",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "(VIN−VOUT)=40V, T package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RMS noise",
          "symbol": "N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "10 Hz≤f≤10 kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection (row 1)",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "VOUT=10V, f=120 Hz, CADJ=0 μF",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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    "info"
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "LM317EMPRG (HANSCHIP semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}