MD52E33QC3

{
  "schema_version": 1,
  "type": "component",
  "slug": "md52e33qc3",
  "title": "MD52E33QC3",
  "brief": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "md52e33qc3"
  ],
  "component": {
    "mpn": "MD52E33QC3",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c8f5bde9bad632c33221dee676d092da.pdf",
    "parts": {
      "symbol": "md52e33qc3.kicad_sym",
      "footprint": "md52e33qc3.kicad_mod",
      "model_3d": "md52e33qc3-etched.glb",
      "model_3d_plain": "md52e33qc3.glb",
      "model_3d_step": "md52e33qc3-etched.step",
      "model_3d_step_plain": "md52e33qc3.step",
      "lbr": "md52e33qc3.lbr"
    },
    "distributor_links": {
      "lcsc": "C920360"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin. Operating range 2.2V to 7.0V (absolute max -0.3V to +8V). Decouple with a low-ESR ceramic capacitor of 1.0µF or greater placed close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator and reference voltage. Also the return path used by the internal output auto-discharge switch when EN is low."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input, active high. VENH ≥ 1.0V turns the regulator on (max 7.0V); VENL ≤ 0.38V forces shutdown (ISHUT ≈ 10nA) and activates the COUT auto-discharge switch via RDCHG (~450Ω typ). Input leakage ±0.1µA. Do not leave floating."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND for best mechanical rigidity."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±2% initial accuracy). Delivers up to 500mA with a typical dropout of 230mV. Requires a 1.0µF (or larger) low-ESR ceramic output capacitor. Must not exceed VIN+0.3V to avoid reverse current through the P-MOSFET body diode."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c8f5bde9bad632c33221dee676d092da.pdf",
        "pages": 14,
        "sha256": "4168b8cf3e52f15f",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "md52e33qc3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md52e33qc3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "93daa1afae97aca9c76371474801f5e78cce2ac13b6ad7b97b5782ce8ff62b99",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-5L",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md52e33qc3"
  ],
  "discovery_pitch": "MD52E33QC3 (Shanghai Mingda Microelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md52e33qc3.kicad_sym",
    "md52e33qc3.kicad_mod",
    "md52e33qc3.glb",
    "md52e33qc3.step",
    "md52e33qc3-etched.step",
    "md52e33qc3.lbr",
    "docs/hero.png",
    "docs/md52e33qc3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MD52E33QC3",
      "kind": "packaging"
    },
    {
      "mpn": "MD52E33QA3",
      "kind": "unknown"
    },
    {
      "mpn": "MD52A33PA1",
      "kind": "unknown"
    },
    {
      "mpn": "MD52E33WB6",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T01:28:41.902Z"
}