LM337MDTR

{
  "slug": "lm337mdtr",
  "version": "0.1.0",
  "type": "component",
  "description": "XBLW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm337mdtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm337mdtr.kicad_sym",
    "lm337mdtr.kicad_mod",
    "lm337mdtr.glb",
    "lm337mdtr.step",
    "lm337mdtr.lbr",
    "docs/hero.png",
    "docs/lm337mdtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm337mdtr-hero.glb",
    "lm337mdtr-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM337MDTR",
    "manufacturer": "XBLW",
    "package": "TO-252-2L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604447840085295104",
    "parts": {
      "symbol": "lm337mdtr.kicad_sym",
      "footprint": "lm337mdtr.kicad_mod",
      "model_3d": "lm337mdtr-hero.glb",
      "model_3d_plain": "lm337mdtr.glb",
      "model_3d_step": "lm337mdtr-etched.step",
      "model_3d_step_plain": "lm337mdtr.step",
      "lbr": "lm337mdtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C42415790"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T17:25:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "input",
        "description": "Adjustment pin for the output voltage; connect two external resistors to adjust the output voltage."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin (also connected to the package tab); the input-output differential is limited to 40 V max."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated negative output voltage pin, adjustable from -1.25 V to -37 V at 1.5 A or more."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The TO-252-2L drawing on p.4 shows the metal tab labelled VIN, and the middle pin 2 is also VIN. The; The pin function table on p.4 is generic for the TO/SOT packages. The TO-252-2L drawing gives pin 1 ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.3104,
        "at": "2026-10-09T17:21:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604447840085295104",
        "pages": 14,
        "sha256": "f9dff5cc4923ee49",
        "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": [
      {
        "file": "lm337mdtr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm337mdtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fa98ba55aed5ccca0598b9009c4d4de599642746181c34bb9bbc2e8758e3c452",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}