LW5228N11E

{
  "slug": "lw5228n11e",
  "version": "0.1.0",
  "type": "component",
  "description": "Lewa Micro Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN-4L(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lw5228n11e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lw5228n11e.kicad_sym",
    "lw5228n11e.kicad_mod",
    "lw5228n11e.glb",
    "lw5228n11e.step",
    "lw5228n11e.lbr",
    "docs/hero.png",
    "docs/lw5228n11e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lw5228n11e-hero.glb",
    "lw5228n11e-hero.overlay.json"
  ],
  "component": {
    "mpn": "LW5228N11E",
    "manufacturer": "Lewa Micro",
    "package": "DFN-4L(1x1)",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8775070430988521472",
    "parts": {
      "symbol": "lw5228n11e.kicad_sym",
      "footprint": "lw5228n11e.kicad_mod",
      "model_3d": "lw5228n11e-hero.glb",
      "model_3d_plain": "lw5228n11e.glb",
      "model_3d_step": "lw5228n11e-etched.step",
      "model_3d_step_plain": "lw5228n11e.step",
      "lbr": "lw5228n11e.lbr"
    },
    "distributor_links": {
      "lcsc": "C20630428"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T07:00:57Z",
      "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 that needs a low-ESR capacitor of at least the recommended nominal value (1 µF minimum per the Output Capacitor Selection section) from OUT to GND, and an internal pulldown discharges OUT when the regulator is in shutdown."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which should connect to the separate GND plane used for the device."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive EN above VEN(HI) to turn the regulator on and below VEN(LO) to put the LDO into shutdown mode."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Input pin that should have the recommended value or larger ceramic capacitor from IN to ground, placed as close to the device as possible for best transient response."
      },
      {
        "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 thermal pad is not numbered in the datasheet; it is labeled 'Pad' in the pin table. Typed as pow; Pin numbers come from the DFN1x1-4L column of the PIN DESCRIPTION table on page 2 (VOUT=1, GND=2, EN; The NC pin listed for SOT23-5L (pin 4) has no DFN1x1-4L number ('--'), so it is excluded from the DF",
          "exposed pad 5 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0752,
        "at": "2026-10-09T06:56:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8775070430988521472",
        "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": "lw5228n11e.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": "lw5228n11e-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": "79e82d149e1f9af970b9b05909e5a75f35517d038c9f20767ac962bbda069c89",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}