LM2940S-5.0

{
  "slug": "lm2940s-5-0",
  "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)",
    "lm2940s-5.0",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2940s-5-0.kicad_sym",
    "lm2940s-5-0.kicad_mod",
    "lm2940s-5-0.glb",
    "lm2940s-5-0.step",
    "lm2940s-5-0.lbr",
    "docs/hero.png",
    "docs/lm2940s-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2940s-5-0-hero.glb",
    "lm2940s-5-0-hero.overlay.json",
    "lm2940s-5-0-etched.glb"
  ],
  "component": {
    "mpn": "LM2940S-5.0",
    "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/8588905436477067264",
    "parts": {
      "symbol": "lm2940s-5-0.kicad_sym",
      "footprint": "lm2940s-5-0.kicad_mod",
      "model_3d": "lm2940s-5-0-hero.glb",
      "model_3d_plain": "lm2940s-5-0-etched.glb",
      "model_3d_step": "lm2940s-5-0-etched.step",
      "model_3d_step_plain": "lm2940s-5-0.step",
      "lbr": "lm2940s-5-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C596334",
      "digikey": "LM2940S-5.0-ND",
      "mouser": "926-LM2940S-50"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:01:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2940S-5.0-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2940S-50",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage to the regulator; recommended maximum is 26 V, with an absolute survival range of -20 V to 30 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the ground pin current is specified at 250 µA typ/500 µA max at 5 mA load and 16 mA typ/25 mA max at 1 A load."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0 V output; the output is current-limited to about 1.5 A typ with VOUT shorted to 0 V, and dropout is 400 mV typ / 630 mV max at 1 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 is marked Preliminary (Apr. 2019) and states the description may change without notice; The pin table on page 3 is shared by the SOT-223-3L and TO-220-3L variants. Pin numbers 1/2/3 are gi"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0309,
        "at": "2026-10-18T04:59:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905436477067264",
        "pages": 7,
        "sha256": "69be479de06a1346",
        "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": [
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        "file": "lm2940s-5-0.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": "lm2940s-5-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0b4e7aad823e4691c9e9fe8138d5ac780d406e49535753287b322046fdcb49b1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}