LM2940HS-3.3

{
  "slug": "lm2940hs-3-3",
  "version": "0.1.0",
  "type": "component",
  "description": "HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2940hs-3.3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2940hs-3-3.kicad_sym",
    "lm2940hs-3-3.kicad_mod",
    "lm2940hs-3-3.glb",
    "lm2940hs-3-3.step",
    "lm2940hs-3-3.lbr",
    "docs/hero.png",
    "docs/lm2940hs-3-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2940hs-3-3-hero.glb",
    "lm2940hs-3-3-hero.overlay.json",
    "lm2940hs-3-3-etched.glb"
  ],
  "component": {
    "mpn": "LM2940HS-3.3",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "SOT-223-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918504636485632",
    "parts": {
      "symbol": "lm2940hs-3-3.kicad_sym",
      "footprint": "lm2940hs-3-3.kicad_mod",
      "model_3d": "lm2940hs-3-3-hero.glb",
      "model_3d_plain": "lm2940hs-3-3-etched.glb",
      "model_3d_step": "lm2940hs-3-3-etched.step",
      "model_3d_step_plain": "lm2940hs-3-3.step",
      "lbr": "lm2940hs-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C784715"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:21:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage pin; the maximum continuous input is 26V, with 60V transients allowed only for less than 100ms at 1% duty cycle or less, and a 0.47µF input capacitor is recommended when the regulator is far from the supply filter."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which the datasheet says must be connected to the tab (TAB), which is also tied to GND."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 3.3V output rated for up to 1.0A, which requires an output capacitor of at least 22µF placed between OUT and GND for stability."
      }
    ],
    "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 SOT-223 tab is listed in the pin table as 'TAB' with the note 'Connect to GND' and has no printe; The pin table gives the SOT-223 pinout as 1=IN, 2=GND, 3=OUT. The pin descriptions combine that tabl"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0275,
        "at": "2026-10-18T11:18:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918504636485632",
        "pages": 9,
        "sha256": "cc075c78c00ff673",
        "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": "lm2940hs-3-3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2940hs-3-3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "332daca2be39579bffb1bd53c0c9233904c56aae54f04b93714dc5ef451ded69",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}