main
Ray Publish 0.1.0 892bb18 12d ago
{
  "slug": "md53u33",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "md53u33",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md53u33.kicad_sym",
    "md53u33.kicad_mod",
    "md53u33.glb",
    "md53u33.step",
    "md53u33.lbr",
    "docs/hero.png",
    "docs/md53u33-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md53u33-hero.glb",
    "md53u33-hero.overlay.json",
    "md53u33-etched.glb"
  ],
  "component": {
    "mpn": "MD53U33",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182449662971904",
    "parts": {
      "symbol": "md53u33.kicad_sym",
      "footprint": "md53u33.kicad_mod",
      "model_3d": "md53u33-hero.glb",
      "model_3d_plain": "md53u33-etched.glb",
      "model_3d_step": "md53u33-etched.step",
      "model_3d_step_plain": "md53u33.step",
      "lbr": "md53u33.lbr"
    },
    "distributor_links": {
      "lcsc": "C111686"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:18:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (VSS); connect to the single-point ground, with the 10uF input and output capacitors returned to it."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin; operating input up to 10V (absolute maximum 12V), with a 10uF capacitor to ground in the application circuit."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±2%) delivering 500mA typical; requires a 2.2uF or larger output capacitor with ESR of about 0.5 to 5 ohm, and output short-circuit current is about 50mA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182449662971904",
        "pages": 10,
        "sha256": "5b82675f2bb345a1",
        "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": "md53u33.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md53u33-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "46bddaf4375afd86acad47f2ef9fd65dbfc0cd4beace755a5c88a01433fff68a",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}