MD52E25QC3

{
  "schema_version": 1,
  "type": "component",
  "slug": "md52e25qc3",
  "title": "MD52E25QC3",
  "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": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "md52e25qc3"
  ],
  "component": {
    "mpn": "MD52E25QC3",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918005271310337",
    "parts": {
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      "model_3d_step_plain": "md52e25qc3.step",
      "lbr": "md52e25qc3.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input, 2.2V to 7.0V operating range (absolute max 8V). Bypass to GND with a ceramic capacitor ≥1.0μF placed close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. All internal voltages, the reference, and the feedback divider return here."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable input. VENH ≥ 1.0V (up to VIN, max 7.0V) turns the regulator on; VENL ≤ 0.38V puts the device into shutdown (ISHUT = 10nA typ at VIN=7.0V) and activates the internal COUT auto-discharge path (RDCHG ≈ 280-640Ω). Input current is ±0.1μA max; do not leave floating."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND for mechanical robustness."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 2.5V output (±2% accuracy). Delivers up to 500mA with 230mV dropout at IOUT=500mA. Requires a low-ESR ceramic output capacitor ≥1.0μF for stability; do not force this pin above VIN+0.3V (reverse current via the P-MOSFET parasitic diode can destroy the IC)."
      }
    ],
    "provenance": {
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        "pages": null,
        "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"
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        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
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        "zmin_mm": 0.0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4168b8cf3e52f15f",
      "rows": [
        {
          "name": "Output voltage accuracy (VOUT(S)≥2.0V)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VIN=VOUT(S)+1.0V, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage (VOUT<3V)",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 240,
          "conditions": "VEN=VIN, IOUT=500mA",
          "source_page": 4,
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        },
        {
          "name": "Line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.1,
          "conditions": "VOUT(S)+0.5V≤VIN=VEN≤7V, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 50,
          "max": 90,
          "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": -50,
          "typ": null,
          "max": 50,
          "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": 0.6,
          "max": 0.9,
          "conditions": "no load, VEN=VIN",
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          "source": "datasheet"
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        {
          "name": "GND current (IOUT=500mA)",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 210,
          "conditions": "IOUT=500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VIN=7.0V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'H' level voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'L' level voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.38,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'H' level current",
          "symbol": "IENH",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=7.0V, VEN=VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'L' level current",
          "symbol": "IENL",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=7.0V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 450,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COUT auto-discharge resistance",
          "symbol": "RDCHG",
          "kind": "electrical",
          "unit": "Ω",
          "min": 280,
          "typ": 450,
          "max": 640,
          "conditions": "VEN=0, VOUT=VOUT(S)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 750,
          "conditions": "VIN=VEN=VOUT(S)+1.0V, VOUT = 0.95 ×VOUT(S)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short circuit current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VIN=VEN=VOUT(S)+1.0V, VOUT=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio (f=10Hz)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 64,
          "max": null,
          "conditions": "f=10Hz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio (f=100Hz)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 51,
          "max": null,
          "conditions": "f=100Hz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Power supply rejection ratio (f=1kHz)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 34,
          "max": null,
          "conditions": "f=1kHz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Power dissipation (SOT23-5)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "SOT23-5 package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-board (SOT23-5)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "SOT23-5; mounted on JEDEC standard 4-layer (2s2p) PCB",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "ESD protection (HBM)",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input capacitor (CIN)",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "Notes on use: input capacitor 1.0µF above",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor (COUT)",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "Notes on use: output capacitor 1.0µF above",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Nominal output voltage (MD52E25QC3)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.5,
          "max": null,
          "conditions": "product selection for MD52E25QC3",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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    {
      "mpn": "MD52E25QC3",
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    {
      "mpn": "MD52E28QC3",
      "kind": "unknown"
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    {
      "mpn": "MD52E30QC3",
      "kind": "unknown"
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    {
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      "kind": "unknown"
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    {
      "mpn": "MD52E36QC3",
      "kind": "unknown"
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      "mpn": "MD52E40QC3",
      "kind": "unknown"
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      "mpn": "MD52E50QC3",
      "kind": "unknown"
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      "mpn": "MD52E25QA3",
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      "mpn": "MD52E30QA3",
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    {
      "mpn": "MD52A30PA1",
      "kind": "unknown"
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    {
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    {
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    {
      "mpn": "MD52A40PA1",
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    {
      "mpn": "MD52A50PA1",
      "kind": "unknown"
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    {
      "mpn": "MD52E25WB6",
      "kind": "unknown"
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    {
      "mpn": "MD52E28WB6",
      "kind": "unknown"
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    {
      "mpn": "MD52E30WB6",
      "kind": "unknown"
    },
    {
      "mpn": "MD52E33WB6",
      "kind": "unknown"
    },
    {
      "mpn": "MD52E36WB6",
      "kind": "unknown"
    },
    {
      "mpn": "MD52E40WB6",
      "kind": "unknown"
    },
    {
      "mpn": "MD52E50WB6",
      "kind": "unknown"
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-25T01:28:25.227Z"
}