main
Ray Set visibility: public be3c958 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mic37302wu-tr",
  "title": "MIC37302WU-TR",
  "brief": "Microchip Tech Linear Voltage Regulators (LDO), TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "mic37302wu-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MIC37302WU-TR",
    "manufacturer": "Microchip Tech",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b02b772e9557338b9672ec54cc3b3416.pdf",
    "parts": {
      "symbol": "mic37302wu-tr.kicad_sym",
      "footprint": "mic37302wu-tr.kicad_mod",
      "model_3d": "mic37302wu-tr-hero.glb",
      "model_3d_plain": "mic37302wu-tr-etched.glb",
      "model_3d_step": "mic37302wu-tr-etched.step",
      "model_3d_step_plain": "mic37302wu-tr.step",
      "lbr": "mic37302wu-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C461586",
      "digikey": "MIC37302WU-TR-ND",
      "mouser": "998-MIC37302WUTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:19:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MIC37302WU-TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "998-MIC37302WUTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable input, CMOS/TTL compatible: logic high = enable, logic low = shutdown (VEN ≤ 0.8V shutdown, ≥ 2.25V enable); do not leave floating."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supplying current to the output power device, operating range 2.25V to 6.0V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the TAB is connected to ground."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulator output, 3A minimum output current, adjustable from 1.24V to 5.5V."
      },
      {
        "number": "5",
        "name": "ADJ",
        "type": "input",
        "description": "Adjustable regulator feedback input (1.240V reference) connected to a resistor voltage divider."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin table does not list the TO-263-5 TAB as a numbered pin. It says only that the TAB ; The pin table is a merged column layout. The TO-263-5 mapping (EN=1, VIN=2, GND=3, VOUT=4, ADJ=5 for"
        ],
        "pages_sent": 28,
        "cost_usd": 0.1486,
        "at": "2026-10-23T09:19:21"
      },
      "datasheet": {
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        "pages": 28,
        "sha256": "63cce04b54ededab",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "file": "mic37302wu-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mic37302wu-tr-etched.step",
        "role": "eda",
        "up": "Z",
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        "sha256": "373c888a6ea3dd23d2dd71c79c0265119750f72eb4a1d27dc56d788bf134ff63",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TO-263-5",
      "Category": "Power Management ICs",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "63cce04b54ededabf318fe1bbeadfaa5475290f113494a79aa666b61d2a62e4c",
      "rows": [
        {
          "name": "Output Voltage Accuracy",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "IL = 10 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy (load/line)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "10 mA ≤ IOUT ≤ IL(MAX), VOUT + 1V ≤ VIN ≤ 6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Line Regulation",
          "symbol": "ΔVOUT/ΔVIN",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.02,
          "max": 0.5,
          "conditions": "VIN = VOUT + 1.0V to 6.0V; IL = 10 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Load Regulation",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "IL = 10 mA to 3A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage at 1.5A",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 175,
          "max": 350,
          "conditions": "IL = 1.5A (For S-PAK-5, TO-263-5)",
          "source_page": 4,
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        },
        {
          "name": "Dropout Voltage at 3.0A",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": 500,
          "conditions": "IL = 3.0A (For S-PAK-5, TO-263-5)",
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        },
        {
          "name": "Ground Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 27,
          "max": 40,
          "conditions": "IL = 3A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ground Pin Current In Shutdown",
          "symbol": "IGND-SHDN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VIL ≤ 0.5V, VIN = VOUT +1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4.75,
          "max": 6.5,
          "conditions": "VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Start-Up Time",
          "symbol": "tSTART",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 170,
          "max": 500,
          "conditions": "VEN = VIN, IOUT = 10 mA, COUT = 47 μF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Threshold (enable)",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.25,
          "typ": null,
          "max": null,
          "conditions": "Regulator Enable",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Threshold (shutdown)",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Regulator Shutdown",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable Pin Input Current (shutdown)",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VIL ≤ 0.8V (Regulator Shutdown)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable Pin Input Current (enable)",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": 1,
          "typ": 15,
          "max": 30,
          "conditions": "VIH ≥ 2.25V (Regulator Enable)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.228,
          "typ": 1.24,
          "max": 1.252,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage (over temperature)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.215,
          "typ": null,
          "max": 1.265,
          "conditions": "-40°C < TJ < +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Adjust Pin Bias Current",
          "symbol": "IADJ",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 40,
          "max": 80,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Adjust Pin Bias Current (over temperature)",
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          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "-40°C < TJ < +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Voltage (absolute maximum)",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (operating)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.25,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable Voltage (operating)",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance TO-263-5",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 6.3,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "mic37302wu-tr"
  ],
  "discovery_pitch": "MIC37302WU-TR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}