main
Ray Set visibility: public f6e07e7 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md5118",
  "title": "MD5118",
  "brief": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, XDFN-4-EP(1x1). 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 management (pmic)",
    "md5118",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD5118",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "XDFN-4-EP(1x1)",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917596187447296",
    "parts": {
      "symbol": "md5118.kicad_sym",
      "footprint": "md5118.kicad_mod",
      "model_3d": "md5118-hero.glb",
      "model_3d_plain": "md5118-etched.glb",
      "model_3d_step": "md5118-etched.step",
      "model_3d_step_plain": "md5118.step",
      "lbr": "md5118.lbr"
    },
    "distributor_links": {
      "lcsc": "C919698"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:58:01Z",
      "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 (1.8V for MD5118, ±2%, up to 300mA max output); needs at least 0.1uF output capacitor and must not exceed VIN+0.3V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; also the return for the internal COUT auto-discharge switch from VOUT."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "Chip enable, active high: VCE high level 1.0V to 6.0V enables the output, low level 0 to 0.38V shuts down the IC and discharges COUT."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, 1.5V to 7V operating (absolute maximum 8.0V); needs at least 1.0uF input capacitor placed close to the IC."
      },
      {
        "number": "5",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad labelled EP (pin 5) in the DFNWB-4L top view; the datasheet text does not state its 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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package hint says XDFN-4-EP(1x1). The datasheet calls the package DFNWB-4L (1X1) and lists no se; The datasheet does not say what the exposed pad (EP, pin 5) should be connected to. It is typed pass; The pin descriptions say 'at least' for the capacitor values, based on the Notes on Use. The datashe",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.2171,
        "at": "2026-10-18T02:56:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917596187447296",
        "pages": 14,
        "sha256": "b9016866a24d108a",
        "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": "md5118.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.002,
          1,
          0.385
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1fcbe51eaca76e761de8aac3070a55467f3017cf1867ff062861bcfffd48546a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md5118-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1,
          0.385
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2f29607f3cf827b30a041ba579225eae6eb4e0b3f46fe2c0e9f5e0017f6713c7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "XDFN-4-EP(1x1)",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b9016866a24d108a6c78215ec36ed9ed05b41024f53d02665098f0277dd2e81c",
      "rows": [
        {
          "name": "Output Voltage (MD5118, 1.8V nominal), offset from VOUT(S)",
          "symbol": "VOUT(S)",
          "kind": "tolerance",
          "unit": "V",
          "min": -0.03,
          "typ": null,
          "max": 0.03,
          "conditions": "VIN=VOUT(S)+2.0V, IOUT=10mA, VOUT(S)<2.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/(VOUT·ΔVIN)",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.1,
          "conditions": "VOUT(S)+0.5V≤VIN=VCE≤7V, IOUT=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "VOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
          "max": 20,
          "conditions": "VIN=VCE=VOUT(S)+1.0V, 1mA≤IOUT≤100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "ΔVOUT/(VOUT·ΔT)",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VIN=VCE=VOUT(S)+1.0V, IOUT=1mA, -40℃≤Ta≤85℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (VOUT<3V)",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "VCE=VIN, VOUT<3V, IOUT=100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "GND Current, no load",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.5,
          "max": 0.9,
          "conditions": "CE=VIN, no load",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "GND Current, IOUT=100mA",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "CE=VIN, IOUT=100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VIN=7.0V, VCE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 250,
          "max": 300,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": 470,
          "conditions": "VIN=VCE=VOUT(S)+1.0V, VOUT=0.95×VOUT(S)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "COUT Auto Discharge Resistance",
          "symbol": "RDCHG",
          "kind": "electrical",
          "unit": "Ω",
          "min": 280,
          "typ": 450,
          "max": 640,
          "conditions": "VCE=0, VOUT=VOUT(S)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio, 10Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "f=10Hz, VOUT(S)=2.5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio, 100Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "f=100Hz, VOUT(S)=2.5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio, 1kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "f=1kHz, VOUT(S)=2.5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "CE 'H' Level Voltage",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "CE 'L' Level Voltage",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.38,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CE 'H' Level Current",
          "symbol": "ICEH",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=6.0V, VCE=VIN",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CE 'L' Level Current",
          "symbol": "ICEL",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=6.0V, VCE=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "VIN=VCE=VOUT(S)+1.0V, VOUT=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (absolute maximum)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum stated as VIN+0.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, DFNWB-4L",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "DFNWB-4L package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection, HBM",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6000,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md5118"
  ],
  "discovery_pitch": "MD5118 (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": [
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    "viewers/symbol.html",
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    "md5118-etched.glb"
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  "visibility": {
    "public": true
  }
}