CJ78M09

{
  "slug": "cj78m09",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "cj78m09",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cj78m09.kicad_sym",
    "cj78m09.kicad_mod",
    "cj78m09.glb",
    "cj78m09.step",
    "cj78m09.lbr",
    "docs/hero.png",
    "docs/cj78m09-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cj78m09-hero.glb",
    "cj78m09-hero.overlay.json"
  ],
  "component": {
    "mpn": "CJ78M09",
    "manufacturer": "Changjing",
    "package": "TO-252-2(DPAK)",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586173785137418240",
    "parts": {
      "symbol": "cj78m09.kicad_sym",
      "footprint": "cj78m09.kicad_mod",
      "model_3d": "cj78m09-hero.glb",
      "model_3d_plain": "cj78m09.glb",
      "model_3d_step": "cj78m09-etched.step",
      "model_3d_step_plain": "cj78m09.step",
      "lbr": "cj78m09.lbr"
    },
    "distributor_links": {
      "lcsc": "C9071"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T19:30:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input to the regulator, with an absolute maximum input voltage of 35 V; a 0.33 µF input capacitor Ci is recommended, placed as close to the regulator as possible."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for the regulator, to which the input and output capacitors should be returned."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 9 V output (8.55 V to 9.45 V over 11.5 V to 24 V input and 5 mA to 350 mA load), with a 0.1 µF output capacitor Co recommended and a maximum output current of 0.5 A."
      }
    ],
    "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 labels the package TO-252-2L but lists three numbered leads (1.IN, 2.GND, 3.OUT). The ; The datasheet does not state whether the metal tab is electrically connected to any pin (for example; The datasheet does not give a separate pin-level electrical limit for GND or OUT beyond the stated o"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0277,
        "at": "2026-10-09T19:27:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586173785137418240",
        "pages": 5,
        "sha256": "78ed41af6e78898c",
        "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": "cj78m09.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": "cj78m09-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": "cbdc23cce5803f17837ab57a71d5d693b3d48c1dec705b6740366a0e8bbc4e31",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}