main
Ray Set visibility: public 09bdbe8 15d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mic37100-3-3ws",
  "title": "MIC37100-3.3WS",
  "brief": "Microchip Tech Linear Voltage Regulators (LDO), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "MIC37100-3.3WS",
    "manufacturer": "Microchip Tech",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/df99efa690256e6a9fbc26b19f2835ec.pdf",
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      "lbr": "mic37100-3-3ws.lbr"
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      "digikey": "576-1163-ND",
      "mouser": "998-MIC37100-3.3WS"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:07:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "found",
        "lifecycle": "Active"
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        "name": "IN",
        "type": "power_in",
        "description": "Supply input; operating range is +2.25V to +6V (absolute maximum 0V to +6.5V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the TAB is also connected to GND."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output, fixed 3.3V for the -3.3 variant, requiring an output capacitor of 10µF or greater for stability with ceramics."
      }
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    "provenance": {
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      "factory_chain": {
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        "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: Pin 2 and TAB are both listed as GND ('2, TAB'). The TAB is not a numbered pin, so confirm how to re"
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        "pages_sent": 15,
        "cost_usd": 0.0925,
        "at": "2026-10-24T00:06:50"
      },
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        "pages": 15,
        "sha256": "fbead12005bfe8d9",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "mic37100-3-3ws.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mic37100-3-3ws-etched.step",
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        "sha256": "ca509e7ce085768d62f7d915d77596f7530f3e4548c621b04e7a58b0e089a418",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOT-223",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "characteristics": {
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      "datasheet_sha256": "fbead12005bfe8d929d7aafab9e8519e0cf3e18040838a1bd7bd3192c39c42bd",
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          "kind": "electrical",
          "unit": "%",
          "min": -1,
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          "max": 1,
          "conditions": "10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage accuracy over line/load",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "10mA ≤ IOUT ≤ 1A, VOUT + 1V ≤ VIN ≤ 6V",
          "source_page": 4,
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        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
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          "name": "Load Regulation",
          "symbol": "",
          "kind": "electrical",
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          "conditions": "VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 1A",
          "source_page": 4,
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        {
          "name": "Dropout Voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 125,
          "max": 200,
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          "name": "Dropout Voltage",
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        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDO",
          "kind": "electrical",
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          "min": null,
          "typ": 250,
          "max": 400,
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          "typ": 6.7,
          "max": null,
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          "symbol": "IGND",
          "kind": "electrical",
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        },
        {
          "name": "Current Limit",
          "symbol": "IOUT(lim)",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.6,
          "max": 2.5,
          "conditions": "VOUT = 0V, VIN = VOUT + 1V",
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        },
        {
          "name": "Output Voltage Temp. Coefficient",
          "symbol": "∆VOUT/∆T",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Enable Input Voltage logic low (off)",
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          "max": 0.8,
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        {
          "name": "Enable Input Voltage logic high (on)",
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          "min": 2.25,
          "typ": null,
          "max": null,
          "conditions": "logic high (on)",
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        },
        {
          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
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          "name": "Enable Voltage (absolute maximum)",
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          "name": "Lead Temperature",
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          "unit": "°C",
          "min": null,
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          "max": 260,
          "conditions": "soldering, 5 sec.",
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        },
        {
          "name": "Storage Temperature",
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        {
          "name": "Junction Temperature",
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          "unit": "°C",
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          "typ": null,
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          "conditions": "",
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          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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