HE9073A33MR

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  "slug": "he9073a33mr",
  "title": "HE9073A33MR",
  "brief": "HEERMICR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
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    "mpn": "HE9073A33MR",
    "manufacturer": "HEERMICR",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3dd962ba27157069559a1d9c468bdb78.pdf",
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    "distributor_links": {
      "lcsc": "C723793"
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    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / device negative supply return. All bypass capacitor return currents connect here."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3 V output. Requires a >=4.7 uF output capacitor (COUT >= 1 uF minimum per electrical characteristics). Delivers up to 500 mA typical, ±1% accuracy, dropout ~100 mV at 100 mA."
      },
      {
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        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply, 2.0 V to 7.0 V (absolute max 9.0 V). Bypass with a >=4.7 uF capacitor close to the pin. In the SOT23-3 package the enable function is internally tied to VIN (device is always enabled when powered)."
      }
    ],
    "provenance": {
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        "pages": 12,
        "sha256": "27a01576a32d0f6f",
        "source_tier": "lcsc"
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        "described": 3,
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        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
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        -0.95
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      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
      "mark": "drawn"
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "Printed as VSS -0.3~VSS+9.0 V (relative to VSS)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 550,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
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      ]
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  "discovery_triggers": [
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  "discovery_pitch": "HE9073A33MR (HEERMICR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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  "files": [
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  "visibility": "public",
  "variants": [
    {
      "mpn": "HE9073A33MR",
      "kind": "packaging"
    },
    {
      "mpn": "HE9073A33MRM5R",
      "kind": "packaging"
    },
    {
      "mpn": "HE9073A33MRPR",
      "kind": "packaging"
    },
    {
      "mpn": "HE9073A33MRD4R",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T21:40:53.542Z",
  "description": "HEERMICR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}