MCP1825ST-3302E

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  "type": "component",
  "slug": "mcp1825st-3302e",
  "title": "MCP1825ST-3302E",
  "brief": "Microchip Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "MCP1825ST-3302E",
    "manufacturer": "Microchip Tech",
    "package": "SOT-223-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199107915927552",
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      "lbr": "mcp1825st-3302e.lbr"
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    "distributor_links": {
      "lcsc": "C145411"
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    "distributor_check": {
      "checked_at": "2026-10-17T18:55:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Connect the unregulated or regulated input supply here; the datasheet lists an input operating voltage range of 2.1V to 6.0V and recommends a 1 µF to 10 µF input capacitor for most applications, especially when the source is a battery or located far from the LDO."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to a quiet circuit ground; it carries only the quiescent current (typically 120 µA), so a heavy trace is not required, and it should return to the output capacitor return in noisy or switching-input applications."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output of the LDO, which requires a minimum of 1.0 µF output capacitance for stability (ceramic, tantalum or aluminum electrolytic are all acceptable) and is rated for 500 mA output current."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package mapping: the MPN MCP1825ST-3302E was matched to SOT-223-3 using the package hint and the MCP; The SOT-223 tab/exposed pad is not given a pin number in the provided text and is not described as G; Pages 2-14 and 18-21 were not provided, so the electrical specifications and any SOT-223-3 ordering "
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        "at": "2026-10-17T18:53:04"
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        "pages": 38,
        "sha256": "078c84d2df9d4861",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOT-223-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "078c84d2df9d48610182a02575df4c34b9e77455ba4a7d81d2173a8cfa03342c",
      "rows": [
        {
          "name": "Input Operating Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.1,
          "typ": null,
          "max": 6,
          "conditions": "Note 1",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Quiescent Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 120,
          "max": 220,
          "conditions": "IL = 0 mA, VOUT = 0.8V to 5.0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "VIN = 2.1V to 6.0V; VR = 0.8V to 5.0V, Note 1",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/(VOUT x ΔVIN)",
          "kind": "electrical",
          "unit": "%/V",
          "min": -0.16,
          "typ": 0.05,
          "max": 0.16,
          "conditions": "(Note 1) ≤ VIN ≤ 6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": 0.5,
          "max": 1,
          "conditions": "IOUT = 1 mA to 500 mA, (Note 4)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Fixed-Output Voltage Regulation (percent of VR, 3.3V part)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -2.5,
          "typ": 0.5,
          "max": 2.5,
          "conditions": "Note 2",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROPOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 210,
          "max": 350,
          "conditions": "Note 5, IOUT = 500 mA, VIN(MIN) = 2.1V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Transient",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Steady State",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "ESD protection on all pins, HBM",
          "symbol": "HBM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ESD protection on all pins, MM",
          "symbol": "MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 300,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
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        },
        {
          "name": "Thermal Resistance, 3LD SOT-223, junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 62,
          "max": null,
          "conditions": "EIA/JEDEC JESD51-751-7, 4 Layer Board",
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        },
        {
          "name": "Thermal Resistance, 3LD SOT-223, junction to case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "4 Layer Board",
          "source_page": 10,
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        }
      ]
    }
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  "discovery_pitch": "MCP1825ST-3302E (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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