MD57E33WB6

{
  "slug": "md57e33wb6",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Mingda Microelectronics Linear Voltage Regulators (LDO), DFN-4-EP(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "md57e33wb6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md57e33wb6.kicad_sym",
    "md57e33wb6.kicad_mod",
    "md57e33wb6.glb",
    "md57e33wb6.step",
    "md57e33wb6.lbr",
    "docs/hero.png",
    "docs/md57e33wb6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md57e33wb6-hero.glb",
    "md57e33wb6-hero.overlay.json",
    "md57e33wb6-etched.glb"
  ],
  "component": {
    "mpn": "MD57E33WB6",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "DFN-4-EP(1x1)",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ad8e18d6b588892849a4b5d1564b8faa.pdf",
    "parts": {
      "symbol": "md57e33wb6.kicad_sym",
      "footprint": "md57e33wb6.kicad_mod",
      "model_3d": "md57e33wb6-hero.glb",
      "model_3d_plain": "md57e33wb6-etched.glb",
      "model_3d_step": "md57e33wb6-etched.step",
      "model_3d_step_plain": "md57e33wb6.step",
      "lbr": "md57e33wb6.lbr"
    },
    "distributor_links": {
      "lcsc": "C920551"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T01:00:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, operating range 2.2 V to 5.5 V (absolute maximum 6.0 V), with a 1 µF or larger input capacitor."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input, active high with VENH min 0.85 V and VENL max 0.35 V, internally pulled to GND by 1 MΩ, and low level activates the 240 Ω output auto-discharge."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (3.3 V for MD57E33WB6) delivering up to 300 mA, requires at least a 1 µF output capacitor which may be placed up to 10 cm away."
      },
      {
        "number": "5",
        "name": "EP",
        "type": "passive",
        "description": "Exposed thermal pad of the DFN1*1-4L package; the datasheet shows it but states no connection."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin positions were read from a flattened top-view diagram (row '4 3' above 'VOUT GND', row '1 2' abo; The datasheet does not state how the exposed pad should be connected (e.g. to GND or floating), so i"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0512,
        "at": "2026-11-07T01:00:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ad8e18d6b588892849a4b5d1564b8faa.pdf",
        "pages": 12,
        "sha256": "42680ba6ee0683b4",
        "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": "md57e33wb6.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": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md57e33wb6-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": "6cb0fc23a5db7db470df2a56f4df28995ca397ceb5c66560311311ea4cfad2e7",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}