main
Ray lm317lbdr2g: specified limits as data (metadata.characteristics, 23 rows from the datasheet) be8bd7c 25d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm317lbdr2g",
  "title": "LM317LBDR2G",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm317lbdr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM317LBDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200646701342720",
    "parts": {
      "symbol": "lm317lbdr2g.kicad_sym",
      "footprint": "lm317lbdr2g.kicad_mod",
      "model_3d": "lm317lbdr2g-etched.glb",
      "model_3d_plain": "lm317lbdr2g.glb",
      "model_3d_step": "lm317lbdr2g-etched.step",
      "model_3d_step_plain": "lm317lbdr2g.step",
      "lbr": "lm317lbdr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C274645"
    },
    "pins": [
      {
        "number": "1",
        "name": "Vin",
        "type": "power_in",
        "description": "Input supply voltage for the regulator; maximum input-output voltage differential VI-VO = 40 Vdc"
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output voltage; output voltage range 1.2 V to 37 V"
      },
      {
        "number": "3",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output voltage; output voltage range 1.2 V to 37 V"
      },
      {
        "number": "4",
        "name": "Adjust",
        "type": "output",
        "description": "Reference voltage terminal providing 1.25 V nominal above ground; external resistor divider connected to this pin sets the regulated output voltage"
      },
      {
        "number": "5",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connection"
      },
      {
        "number": "6",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output voltage; output voltage range 1.2 V to 37 V"
      },
      {
        "number": "7",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output voltage; output voltage range 1.2 V to 37 V"
      },
      {
        "number": "8",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connection"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 11,
        "cost_usd": 0.1455,
        "at": "2026-09-23T16:37:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200646701342720",
        "pages": 11,
        "sha256": "146364af02ceebcc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm317lbdr2g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm317lbdr2g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "623becf496a74d92315a7c972bb19043696fd5cb703cdded0d5e322c1fc93c9d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "146364af02ceebcc",
      "rows": [
        {
          "name": "Line Regulation (TA = 25°C)",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.04,
          "conditions": "TA = 25°C, 3.0 V ≤ VI − VO ≤ 40 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (TA = 25°C, VO ≤ 5.0 V)",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 25,
          "conditions": "TA = 25°C, 10 mA ≤ IO ≤ Imax, VO ≤ 5.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (TA = 25°C, VO ≥ 5.0 V)",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "% VO",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "TA = 25°C, 10 mA ≤ IO ≤ Imax, VO ≥ 5.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjustment Pin Current",
          "symbol": "IAdj",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjustment Pin Current Change",
          "symbol": "IAdj",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 5,
          "conditions": "2.5 V ≤ VI − VO ≤ 40 V, PD ≤ Pmax, 10 mA ≤ IO ≤ Imax",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "Vref",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "3.0 V ≤ VI − VO ≤ 40 V, PD ≤ Pmax, 10 mA ≤ IO ≤ Imax",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (Tlow to Thigh)",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.07,
          "conditions": "3.0 V ≤ VI − VO ≤ 40 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (Tlow to Thigh, VO ≤ 5.0 V)",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 70,
          "conditions": "10 mA ≤ IO ≤ Imax, VO ≤ 5.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (Tlow to Thigh, VO ≥ 5.0 V)",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "% VO",
          "min": null,
          "typ": 0.3,
          "max": 1.5,
          "conditions": "10 mA ≤ IO ≤ Imax, VO ≥ 5.0 V",
          "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": "VI − VO = 40 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection (VO = 1.2 V)",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": null,
          "max": 80,
          "conditions": "VO = 1.2 V, f = 120 Hz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection (CAdj = 10 µF, VO = 10.0 V)",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "CAdj = 10 µF, VO = 10.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Long Term Stability",
          "symbol": "S",
          "kind": "electrical",
          "unit": "%/1.0 k Hrs.",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "TJ = Thigh; TA = 25°C for endpoint measurements",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input-Output Voltage Differential",
          "symbol": "VI−VO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (LM317LB grade)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "LM317LBDR2G per ordering table; Tlow to Thigh = −40°C to +125°C (Note 3)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation (Pmax)",
          "symbol": "Pmax",
          "kind": "recommended_operating",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "Note 4: Imax = 100 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability (Tlow ≤ TJ ≤ Thigh)",
          "symbol": "TS",
          "kind": "electrical",
          "unit": "% VO",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "Tlow ≤ TJ ≤ Thigh",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RMS Noise",
          "symbol": "N",
          "kind": "electrical",
          "unit": "% VO",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "TA = 25°C, 10 Hz ≤ f ≤ 10 kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient (SOIC-8, Case 751)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "Case 751 SOIC-8, TA = 25°C, minimum recommended pad size (Note 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case (SOIC-8, Case 751)",
          "symbol": "RJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "Case 751 SOIC-8, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm317lbdr2g"
  ],
  "discovery_pitch": "LM317LBDR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm317lbdr2g.kicad_sym",
    "lm317lbdr2g.kicad_mod",
    "lm317lbdr2g.glb",
    "lm317lbdr2g.step",
    "lm317lbdr2g.lbr",
    "docs/hero.png",
    "docs/lm317lbdr2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-28T16:33:48.299Z"
}