79L09U

{
  "slug": "79l09u",
  "version": "0.1.0",
  "type": "component",
  "description": "CBI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "79l09u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "79l09u.kicad_sym",
    "79l09u.kicad_mod",
    "79l09u.glb",
    "79l09u.step",
    "79l09u.lbr",
    "docs/hero.png",
    "docs/79l09u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "79l09u-hero.glb",
    "79l09u-hero.overlay.json",
    "79l09u-etched.glb"
  ],
  "component": {
    "mpn": "79L09U",
    "manufacturer": "CBI",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945498372263936",
    "parts": {
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      "footprint": "79l09u.kicad_mod",
      "model_3d": "79l09u-hero.glb",
      "model_3d_plain": "79l09u-etched.glb",
      "model_3d_step": "79l09u-etched.step",
      "model_3d_step_plain": "79l09u.step",
      "lbr": "79l09u.lbr"
    },
    "distributor_links": {
      "lcsc": "C2880153"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:07:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference pin of the negative three-terminal regulator."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Negative unregulated input, with an absolute maximum rating of -30 V; a 0.33 µF input bypass capacitor is recommended close to the regulator."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated -9 V output rated for a maximum output current of 0.1 A, with a 0.1 µF output bypass capacitor recommended close to the regulator."
      }
    ],
    "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 names and functions but does not state electrical pin types; GND is type"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0121,
        "at": "2026-10-18T01:05:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945498372263936",
        "pages": 2,
        "sha256": "7131df42ebdceb8f",
        "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"
    },
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
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        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "afa10642242bd59b497edb01ed6ef872fb96dbdbe61cdc8c20d3ceb3bd61a775",
        "checked": "2026-10-18",
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}