main
Ray Set visibility: public fd912b5 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md8427m",
  "title": "MD8427M",
  "brief": "Shanghai Mingda Microelectronics Linear Voltage Regulators (LDO), SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "md8427m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD8427M",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bbb70f9da3164f9fc7c70aaab6d6b67f.pdf",
    "parts": {
      "symbol": "md8427m.kicad_sym",
      "footprint": "md8427m.kicad_mod",
      "model_3d": "md8427m-hero.glb",
      "model_3d_plain": "md8427m-etched.glb",
      "model_3d_step": "md8427m-etched.step",
      "model_3d_step_plain": "md8427m.step",
      "lbr": "md8427m.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978371"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:00:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin, operating input range 2.2V to 40V (absolute maximum -0.3 to 45V)."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 2.7V output pin, up to 300mA, and its potential must not exceed VIN+0.3V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal 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: The datasheet lists MD8427 only in SOT23-5 with marking 8427M, which I matched to the SOT23-5 (M_Typ"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0684,
        "at": "2026-10-23T03:00:36"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bbb70f9da3164f9fc7c70aaab6d6b67f.pdf",
        "pages": 15,
        "sha256": "627a9d1fa1c18cbe",
        "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": "md8427m.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md8427m-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": "8b396924a21c534a73abf6a8173620cc8db644e83b79255363fc088076f2ddd1",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-5L",
      "Category": "Power Supply Chip",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "627a9d1fa1c18cbed6335ba60560bd523027fbde07b69ecb1ed5234ba9d17ab5",
      "rows": [
        {
          "name": "Output Voltage Accuracy",
          "symbol": "VOUT(S)",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Output voltage accuracy",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "VEN=VIN, VOUT(S)=3.3V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1300,
          "max": 1950,
          "conditions": "VEN=VIN, VOUT(S)=3.3V, IOUT=300mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.02,
          "conditions": "VOUT(S)+2V≤VIN≤40V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "VIN=VOUT(S)+2V, 1mA≤IOUT≤300mA, VOUT(S)≤5.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VIN=VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤125℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": 0.8,
          "typ": 1.2,
          "max": 2,
          "conditions": "VEN=VIN, no load, VOUT(S)<3.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 460,
          "max": null,
          "conditions": "VEN=VIN, IOUT=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VIN=30.0V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 300,
          "typ": 350,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 350,
          "typ": 550,
          "max": null,
          "conditions": "VIN=VOUT(S)+2V, VOUT=0.95×VOUT(S)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "VIN=VEN=VOUT(S)+2.0V, VOUT=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN High Level Voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Low Level Voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN High Level Current",
          "symbol": "IENH",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=40V, VEN=VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Low Level Current",
          "symbol": "IENL",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=40V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 74,
          "max": null,
          "conditions": "f=10Hz, VOUT(S)=3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 63,
          "max": null,
          "conditions": "f=100Hz, VOUT(S)=3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "f=1kHz, VOUT(S)=3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over Temperature Protection",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 45,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation SOT23-5",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "SOT23-5",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance SOT23-5",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "SOT23-5, JEDEC 4layer (2s2p) PCB",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection HBM",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "HBM",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md8427m"
  ],
  "discovery_pitch": "MD8427M (Shanghai Mingda Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md8427m.kicad_sym",
    "md8427m.kicad_mod",
    "md8427m.glb",
    "md8427m.step",
    "md8427m.lbr",
    "docs/hero.png",
    "docs/md8427m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md8427m-hero.glb",
    "md8427m-hero.overlay.json",
    "md8427m-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}