LF50ABV

{
  "slug": "lf50abv",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lf50abv",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lf50abv.kicad_sym",
    "lf50abv.kicad_mod",
    "lf50abv.glb",
    "lf50abv.step",
    "lf50abv.lbr",
    "docs/hero.png",
    "docs/lf50abv-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lf50abv-hero.glb",
    "lf50abv-hero.overlay.json",
    "lf50abv-etched.glb"
  ],
  "component": {
    "mpn": "LF50ABV",
    "manufacturer": "STMicroelectronics",
    "package": "TO-220-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/lf50abv.pdf",
    "parts": {
      "symbol": "lf50abv.kicad_sym",
      "footprint": "lf50abv.kicad_mod",
      "model_3d": "lf50abv-hero.glb",
      "model_3d_plain": "lf50abv-etched.glb",
      "model_3d_step": "lf50abv-etched.step",
      "model_3d_step_plain": "lf50abv.step",
      "lbr": "lf50abv.lbr"
    },
    "distributor_links": {
      "lcsc": "C2970972"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:24:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Regulator input; operating input voltage is up to 16 V (absolute maximum -0.5 to 40 V, regulator in shutdown for 18 < VI < 40 V), with a 0.1 µF input capacitor used in the test circuit."
      },
      {
        "number": "2",
        "name": "GROUND",
        "type": "power_in",
        "description": "Ground reference of the regulator, electrically connected to the TAB on the TO-220 package."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 5 V output (LF50AB) delivering up to 500 mA, requiring an output capacitor of 2 to 10 µF with ESR 0.1 to 10 Ω for stability."
      }
    ],
    "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": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Figure 2 labels the TO-220 leads only as OUTPUT, GROUND, INPUT (top to bottom) and prints no pin num; The datasheet says the TAB is electrically connected to GND on TO-220. The tab is not a numbered pin; LF50ABV is the plain TO-220 option in Table 36 (the dual-gauge option is LF50ABV-DG). The 3-terminal",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 53,
        "cost_usd": 0.8278,
        "at": "2026-10-27T07:23:54"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/lf50abv.pdf",
        "pages": 53,
        "sha256": "307003c143a6294f",
        "source_tier": "mfr"
      },
      "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": "lf50abv.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lf50abv-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": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "fba78824e6f742aa8fe77b28cc87768ba7bf4c6b6f1cec9ca153b2fd48cb5bcd",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}