main
Ray Publish 0.2.2 7740fc9
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  "type": "component",
  "slug": "l78l33acutr",
  "title": "L78L33ACUTR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "L78L33ACUTR",
    "manufacturer": "STMicroelectronics",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b8893a7d943c434c86c76c6a17f6aa23.pdf",
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      "lbr": "l78l33acutr.lbr"
    },
    "distributor_links": {
      "digikey": "497-1200-2-ND",
      "lcsc": "C14170"
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        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated +3.3 V output. Delivers up to 100 mA with internal current limiting and thermal shutdown protection. Recommended output capacitor CO = 0.1 µF for stability."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for the regulator. In SOT-89 this pin is the center lead and is also connected to the die-attach tab used for heat-sinking."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input voltage. Absolute maximum 30 V for the 3.3-9 V output variants. Recommended input capacitor CI = 0.33 µF placed close to the pin if the device is far from the bulk supply filter."
      }
    ],
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      "datasheet": {
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        "pages": 47,
        "sha256": "385835a89181b63c",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "at": [
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      "corner": "top-left",
      "source": "silk-marker",
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        "checked": "2026-10-07",
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        "sha256": "c93eac84dbba9e93d305ba327b90a5bf486e17ac5d1fd2e22dda06c84ec5bb5a",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOT-89-3",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "VO = 3.3 to 9 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
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  "discovery_triggers": [
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  "discovery_pitch": "L78L33ACUTR (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "l78l33acutr.step",
    "l78l33acutr-etched.step",
    "l78l33acutr.lbr",
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    "docs/l78l33acutr-datasheet.pdf",
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    "pads.json",
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  "visibility": "public",
  "variants": [
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      "mpn": "L78L33ACUTR",
      "kind": "packaging"
    },
    {
      "mpn": "L78L33ACUTRACZ",
      "kind": "packaging"
    },
    {
      "mpn": "L78L33ACUTRACZ-AP",
      "kind": "packaging"
    },
    {
      "mpn": "L78L33ACUTRABZ-AP",
      "kind": "packaging"
    },
    {
      "mpn": "L78L33ACUTRABD-TR",
      "kind": "packaging"
    },
    {
      "mpn": "L78L33ACUTRACD13TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T23:37:19.855Z",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}