LW5218N11E

{
  "slug": "lw5218n11e",
  "version": "0.1.0",
  "type": "component",
  "description": "Lewa Micro Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN1x1-4L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lw5218n11e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lw5218n11e.kicad_sym",
    "lw5218n11e.kicad_mod",
    "lw5218n11e.glb",
    "lw5218n11e.step",
    "lw5218n11e.lbr",
    "docs/hero.png",
    "docs/lw5218n11e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lw5218n11e-hero.glb",
    "lw5218n11e-hero.overlay.json"
  ],
  "component": {
    "mpn": "LW5218N11E",
    "manufacturer": "Lewa Micro",
    "package": "DFN1x1-4L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8775070420255027200",
    "parts": {
      "symbol": "lw5218n11e.kicad_sym",
      "footprint": "lw5218n11e.kicad_mod",
      "model_3d": "lw5218n11e-hero.glb",
      "model_3d_plain": "lw5218n11e.glb",
      "model_3d_step": "lw5218n11e-etched.step",
      "model_3d_step_plain": "lw5218n11e.step",
      "lbr": "lw5218n11e.lbr"
    },
    "distributor_links": {
      "lcsc": "C20630425"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T05:42:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output pin, fixed at 1.8 V for LW5218N11E per the order table; use at least a 1 µF low-ESR ceramic capacitor from OUT to GND, and an internal pulldown discharges OUT when the regulator is in shutdown (VEN < VEN(LOW))."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the separate VIN and VOUT ground planes should connect only at this GND pin for best PSRR, noise and transient response."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive above VEN(HI) (1.5 V min) to turn the regulator on and below VEN(LO) (0.5 V max) to put it into shutdown, with the EN pin voltage rated 0 to 6.0 V."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, operating range 1.5 V to 6.0 V (absolute maximum -0.3 V to 7.0 V), to be decoupled with a ceramic capacitor placed as close to the pin as possible."
      },
      {
        "number": "5",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 DFN1x1-4L column of the pin table lists pins 1 (VOUT), 2 (GND), 3 (EN) and 4 (VIN). The NC pin a; The thermal pad has no numeric designator in the datasheet; it is printed as 'Pad' and is listed und; The VOUT value of 1.8 V comes from the order table (LW5218N11E = 1.8 V, page 16), not from the pin t",
          "exposed pad 5 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 22,
        "cost_usd": 0.076,
        "at": "2026-10-09T05:42:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8775070420255027200",
        "pages": 22,
        "sha256": "554585e66fced619",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lw5218n11e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "86e5f8eefe287160705813dbaa7f6606754ab347715fbffa4ee680635c44541f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lw5218n11e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2bd5f54df8c8fc1ce2bf95bf04ff7fe2accd7465df27a959f0dc688f5a25fa86",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}