79L09

{
  "slug": "79l09",
  "version": "0.1.0",
  "type": "component",
  "description": "DOWO Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "79l09",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "79l09.kicad_sym",
    "79l09.kicad_mod",
    "79l09.glb",
    "79l09.step",
    "79l09.lbr",
    "docs/hero.png",
    "docs/79l09-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "79l09-hero.glb",
    "79l09-hero.overlay.json",
    "79l09-etched.glb"
  ],
  "component": {
    "mpn": "79L09",
    "manufacturer": "DOWO",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a5cc7075b23a722548dd040ddf39eaec.pdf",
    "parts": {
      "symbol": "79l09.kicad_sym",
      "footprint": "79l09.kicad_mod",
      "model_3d": "79l09-hero.glb",
      "model_3d_plain": "79l09-etched.glb",
      "model_3d_step": "79l09-etched.step",
      "model_3d_step_plain": "79l09.step",
      "lbr": "79l09.lbr"
    },
    "distributor_links": {
      "lcsc": "C49190766"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T04:31:26Z",
      "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": "Ground reference pin, labeled GND on the package pinout, with no separate electrical limit stated in the datasheet."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Negative unregulated input rated up to -30 V (absolute maximum input voltage 30 V), with electrical characteristics specified at VI = -15 V and ripple rejection tested from VI = -12 V to -22 V."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Negative regulated output with a nominal -9 V level (8.64 V to 9.36 V at VI = -15 V and IO = 40 mA), and load regulation specified for output currents of 1 mA to 100 mA."
      }
    ],
    "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 pinout only as labels (1. GND, 2. VIN, 3. VOUT) on the SOT-89 package; it do; Pin types are assigned by KiCad convention: GND and VIN as power_in, VOUT as power_out. The datashee; The datasheet is for a negative-voltage regulator, so VIN and VOUT values are printed as negative vo"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0135,
        "at": "2026-11-05T04:31:18"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a5cc7075b23a722548dd040ddf39eaec.pdf",
        "pages": 4,
        "sha256": "e10a20c16fb889f9",
        "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": "79l09.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "79l09-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "a37637a49f32c3e26159c8b3d7c91f74ce2e2f3ef40ee216dcc49ac5a4e45263",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}