LM317LIPW

{
  "slug": "lm317lipw",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm317lipw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm317lipw.kicad_sym",
    "lm317lipw.kicad_mod",
    "lm317lipw.glb",
    "lm317lipw.step",
    "lm317lipw.lbr",
    "docs/hero.png",
    "docs/lm317lipw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm317lipw-hero.glb",
    "lm317lipw-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM317LIPW",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm317l",
    "parts": {
      "symbol": "lm317lipw.kicad_sym",
      "footprint": "lm317lipw.kicad_mod",
      "model_3d": "lm317lipw-hero.glb",
      "model_3d_plain": "lm317lipw.glb",
      "model_3d_step": "lm317lipw-etched.step",
      "model_3d_step_plain": "lm317lipw.step",
      "lbr": "lm317lipw.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870315",
      "digikey": "296-49701-ND",
      "mouser": "595-LM317LIPW"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:27:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-49701-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM317LIPW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated supply input; the datasheet recommends an input-to-output differential of 2.5 V to 37 V and gives an absolute maximum input-to-output differential of 45 V for the new die (CSO: RFB)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "4",
        "name": "ADJUSTMENT",
        "type": "input",
        "description": "Feedback (adjust) terminal that sets the output voltage through an external two-resistor divider, with the output held 1.22 V to 1.292 V above this pin for the new die (1.25 V nominal) and an adjustment current typically 44 µA."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated output that supplies 2.5 mA to 100 mA of load current across the 1.25 V to 37 V output range, with the output pins internally connected to one another."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      }
    ],
    "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 page 3 PW pin drawing text is garbled in the extraction. Pin assignments were taken from Table 4; The datasheet lists the TSSOP (PW) package as available for legacy die only (CSO: SHE/TID). Its ther; The ADJUSTMENT pin type is set to 'input' because Table 4-1 classifies it as I (feedback input). The"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1049,
        "at": "2026-10-11T11:27:28"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm317l",
        "pages": 39,
        "sha256": "d5c5d34eb4738e79",
        "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm317lipw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "dc2f9fdf60c4a0ac9023adf9c535c6577a0e7076bd89ed96e7fa7c5114c7ca75",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}