MD7218E33QC3

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  "type": "component",
  "slug": "md7218e33qc3",
  "title": "MD7218E33QC3",
  "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",
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  "component": {
    "mpn": "MD7218E33QC3",
    "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/b4571cf0038c5b47f040095bde448bc2.pdf",
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      "lcsc": "C920494"
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    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Regulator input supply. Operating range 2.2V to 15V (absolute max 15V). Bypass to GND with a 2.2uF (low-ESR ceramic) input capacitor close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator. Typical GND (quiescent) current is 1.6uA at Vout<=5.0V, no load."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input. Drive high to enable the regulator, low to shut down. Do not leave floating."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to GND per board convention."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (E33 option), +/-2% accuracy, up to 1A. Requires a 2.2uF low-ESR ceramic output capacitor to GND. Current limit typical 1.5A, short-circuit foldback to ~30mA."
      }
    ],
    "provenance": {
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        "pages": 15,
        "sha256": "a1ab1acfaf9f63a7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "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"
    },
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-5L",
      "Category": "PMIC",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a1ab1acfaf9f63a7",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VOUT(S)",
          "kind": "tolerance",
          "unit": "×VOUT(S)",
          "min": 0.98,
          "typ": null,
          "max": 1.02,
          "conditions": "VIN=VOUT(S)+2V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 650,
          "max": 900,
          "conditions": "IOUT=1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/ΔVIN",
          "kind": "electrical",
          "unit": "％/V",
          "min": null,
          "typ": 0.01,
          "max": 0.02,
          "conditions": "VOUT(S)+2V≤VIN≤15V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "VOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "VIN=VOUT(S)+2V, 1mA≤IOUT≤1A, VOUT(S)≤5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VIN = VOUT(S)+2V, IOUT=1mA, -40℃≤Ta≤125℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": 1,
          "typ": 1.6,
          "max": 2,
          "conditions": "no load, VOUT(S)≤5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation (SOT23-5L)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
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          "source_page": 3,
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        },
        {
          "name": "Input Voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "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,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection HBM",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Board (SOT23-5L)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "Mounted on JEDEC standard 4layer (2s2p) PCB test board",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.5,
          "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": 30,
          "max": null,
          "conditions": "VIN=VOUT(S)+2.0V, VOUT=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over Temperature Protection",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 420,
          "max": null,
          "conditions": "IOUT=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 71,
          "max": null,
          "conditions": "f=10Hz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "f=100Hz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 51,
          "max": null,
          "conditions": "f=1kHz, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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      "mpn": "MD7218E33QC3",
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    {
      "mpn": "MD7218E33QC3PC1",
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  "updated_at": "2026-09-25T01:30:12.150Z"
}