LM79L09

{
  "slug": "lm79l09",
  "version": "0.1.0",
  "type": "component",
  "description": "HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm79l09",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm79l09.kicad_sym",
    "lm79l09.kicad_mod",
    "lm79l09.glb",
    "lm79l09.step",
    "lm79l09.lbr",
    "docs/hero.png",
    "docs/lm79l09-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm79l09-hero.glb",
    "lm79l09-hero.overlay.json",
    "lm79l09-etched.glb"
  ],
  "component": {
    "mpn": "LM79L09",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588890172049645568",
    "parts": {
      "symbol": "lm79l09.kicad_sym",
      "footprint": "lm79l09.kicad_mod",
      "model_3d": "lm79l09-hero.glb",
      "model_3d_plain": "lm79l09-etched.glb",
      "model_3d_step": "lm79l09-etched.step",
      "model_3d_step_plain": "lm79l09.step",
      "lbr": "lm79l09.lbr"
    },
    "distributor_links": {
      "lcsc": "C262531"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:19:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator (pin 1 in the TO-92/SOT-89 3-lead pin description table)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin; for the LM79L09 the recommended input is -11.5 V to -24 V, and the absolute maximum input voltage for LM79L05 to LM79L09 is -30 V."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated negative output (-9 V nominal for LM79L09), supplying up to 100 mA of output current."
      }
    ],
    "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 datasheet gives the pin numbers and names only in a shared table for TO-92 and SOT-89 (3 LEAD). ; The VIN description combines the absolute maximum rating (-30 V, shared across LM79L05 to LM79L09) w"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0412,
        "at": "2026-10-17T21:17:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588890172049645568",
        "pages": 10,
        "sha256": "0d20c07443475a7e",
        "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": "lm79l09.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm79l09-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "9a9d9a7cb3f3f1c1ea120eb43114e88b0e4e5a170e497ab4cccd0ecaf9e0b2a4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}