main
Ray Set visibility: public 414b870 2d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "md58e36qc3",
  "title": "MD58E36QC3",
  "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": [
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    "power supply chip",
    "md58e36qc3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD58E36QC3",
    "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/a4b400153ea47c5b10583b52b4056c20.pdf",
    "parts": {
      "symbol": "md58e36qc3.kicad_sym",
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      "model_3d_plain": "md58e36qc3-etched.glb",
      "model_3d_step": "md58e36qc3-etched.step",
      "model_3d_step_plain": "md58e36qc3.step",
      "lbr": "md58e36qc3.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978352"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:24:56Z",
      "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 accepting 2.2 V to 5.5 V (absolute maximum 6.0 V), requiring a 1 µF or larger ceramic input capacitor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the regulator."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input with an internal 1 MΩ pulldown to GND; above 1.1 V (VENH) enables the device, below 0.35 V (VENL) disables it and activates the 240 Ω output auto-discharge."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.6 V output (MD5836) supplying up to 500 mA, requiring at least a 1 µF ceramic output capacitor that may be placed up to 10 cm away."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT-23-5L pin diagram is only available as garbled extracted text. The pin-to-name mapping (1=VI; The datasheet text does not state whether NC (pin 4) may be left floating or tied to ground. The des"
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        "at": "2026-10-24T00:24:44"
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        "pages": 13,
        "sha256": "bb956f4399e0ae25",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 5,
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-24",
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        "footprint_binding": "identity",
        "sha256": "e19953c04496718c8e063b54e4793ddec942b2b1253a13920e25c329f9065ee1",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-5L",
      "Category": "Power Supply Chip",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "bb956f4399e0ae250acbf10094a299be1703f297522e6bd608ee9dbc0c19a3f8",
      "rows": [
        {
          "name": "Output Voltage Tolerance",
          "symbol": "VOUT(S)",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VIN=VOUT(S)+1.0V, IOUT=1mA, VOUT(S)≥2.0V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.1,
          "conditions": "VOUT(S)+1.0V≤VIN=VEN≤5.5V, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "VOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "VIN=VEN=VOUT(S)+1.0V, 1mA≤IOUT≤500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "VIN=VEN=VOUT(S)+1.0V, IOUT=1mA, -40℃≤Ta≤125℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current no load",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "VEN=VIN, no load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VIN=5.5V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 450,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Start-Up Time",
          "symbol": "TSTART",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 80,
          "max": 150,
          "conditions": "From VEN>VENH to VOUT=95% of VOUT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN High Level Voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Low Level Voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.35,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN High Level Current",
          "symbol": "IENH",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=5.5V, VEN=VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Low Level Current",
          "symbol": "IENL",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=5.5V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3 ~ VIN+0.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "SOT23-5L",
          "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",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6000,
          "conditions": "HBM",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "SOT23-5L",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "VEN=VIN, VOUT≥3V, IOUT=500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current at 500mA",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 680,
          "max": null,
          "conditions": "VEN=VIN, IOUT=500mA",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 750,
          "max": null,
          "conditions": "VIN=VEN=VOUT(S)+1.0V, VOUT = 0.95 ×VOUT(S)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COUT Auto Discharge Resistance",
          "symbol": "RDCHG",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 240,
          "max": null,
          "conditions": "VEN=0, VOUT=VOUT(S)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 91,
          "max": null,
          "conditions": "f=1kHz, IOUT=20mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "IOUT=20mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over Temperature Protection",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 155,
          "max": null,
          "conditions": "IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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