MCP1804T-C002I

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  "slug": "mcp1804t-c002i",
  "title": "MCP1804T-C002I",
  "brief": "Microchip Tech Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power supply chip",
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  "component": {
    "mpn": "MCP1804T-C002I",
    "manufacturer": "Microchip Tech",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/20002200D.pdf",
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    "distributor_links": {
      "lcsc": "C632051"
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    "distributor_check": {
      "checked_at": "2026-10-23T09:01:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated voltage output (12V option for C0), connect to the positive side of the load and output capacitor, with 0.1 µF to 1.0 µF of capacitance ensuring stable operation."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal (also connected to the TAB), tie to the negative side of the output and input capacitors; only the 50 to 60 µA typical LDO bias current flows out of this pin."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply voltage input, operating range 2.0V to 28.0V, with 0.1 µF to 1.0 µF of capacitance recommended for stable operation."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN as given has no package suffix. The datasheet sells the C002I option in SOT-89-3 (/MB), SOT-; Table 3-1 lists the TAB together with pin 2 (GND) for SOT-89-3. I did not add a separate TAB pin, so; The SOT-89-3 pin numbers come from Table 3-1 and the top-view package drawing, which shows VOUT, GND"
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOT-89-3",
      "Category": "Power Supply Chip",
      "Pins": "3"
    },
    "characteristics": {
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          "name": "Input Operating Voltage",
          "symbol": "VIN",
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          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 28,
          "conditions": "Note 1",
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        },
        {
          "name": "Input Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 60,
          "max": 115,
          "conditions": "IL = 0 mA, 5.1V ≤ VOUT ≤ 12.0V",
          "source_page": 3,
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        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "SHDN = 0V",
          "source_page": 3,
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        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "VIN = VR + 3.0V, VOUT ≥ 3.0V",
          "source_page": 3,
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        },
        {
          "name": "Output Voltage Regulation (relative to VR)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "IOUT = 10 mA, Note 2",
          "source_page": 3,
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        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/(VOUT×ΔVIN)",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.1,
          "conditions": "(VR + 2V) ≤ VIN ≤ 28V, IOUT = 5 mA",
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        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/(VOUT×ΔVIN)",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.15,
          "max": 0.3,
          "conditions": "(VR + 2V) ≤ VIN ≤ 28V, IOUT = 13 mA",
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        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 110,
          "max": 175,
          "conditions": "IL = 1.0 mA to 50 mA, 5.1V ≤ VOUT ≤ 12.0V, Note 4",
          "source_page": 4,
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        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROPOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": 170,
          "conditions": "IL = 20 mA, 10.1V ≤ VR ≤ 18.0V",
          "source_page": 4,
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        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROPOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 650,
          "max": 850,
          "conditions": "IL = 100 mA, 10.1V ≤ VR ≤ 18.0V",
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        },
        {
          "name": "SHDN High Voltage",
          "symbol": "VSHDN_H",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": null,
          "conditions": "VIN = 28V; max printed as VIN",
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        },
        {
          "name": "SHDN Low Voltage",
          "symbol": "VSHDN_L",
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          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.35,
          "conditions": "VIN = 28V",
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        {
          "name": "SHDN Current",
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          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
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          "conditions": "VIN = 28V, VSHDN = GND or VIN",
          "source_page": 4,
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
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        {
          "name": "Storage Temperature Range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
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          "name": "Input Voltage",
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          "unit": "V",
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          "name": "Output Current (Peak)",
          "symbol": "IOUT",
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          "unit": "mA",
          "min": null,
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        {
          "name": "SHDN Voltage",
          "symbol": "VSHDN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "(VSS - 0.3V) to +30V",
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        {
          "name": "Output Voltage",
          "symbol": "VOUT",
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          "unit": "V",
          "min": -0.3,
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        },
        {
          "name": "Thermal Resistance, Junction to Ambient, 3LD SOT-89",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "EIA/JEDEC JESD51-7, FR-4 0.063 4-Layer Board",
          "source_page": 5,
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        {
          "name": "Thermal Resistance, Junction to Case, 3LD SOT-89",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 52,
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        },
        {
          "name": "Current Limiter",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Output Short Circuit Current",
          "symbol": "IOUT_SC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "VOUT Temperature Coefficient",
          "symbol": "TCVOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "IOUT = 20 mA, -40°C ≤ TA ≤ 85°C, Note 3 (printed ±100)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Ripple Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "f = 1 kHz, IL = 20 mA, VIN_AC = 0.5V pk-pk, CIN = 0 µF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Protection",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "TJ = 150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 5,
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      ]
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