main
Ray Publish 0.3.3 8a5b461
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  "slug": "1117-3-3",
  "title": "1117-3.3",
  "brief": "IDCHIP Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-223",
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    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2208161803_IDCHIP-1117-3-3_C5125088.pdf",
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        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the fixed-output (3.3V) version. On adjustable variants this same pin is the ADJ feedback input; on the -3.3 fixed part it is tied to system ground."
      },
      {
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        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±1% at TJ=25°C, 3.235-3.365V over 10mA-1A, VIN 4.75-10V). Requires at least 22µF output capacitor for stability per the typical application circuit."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply, up to 12V absolute maximum. For the 3.3V variant, recommended VIN range is 4.75V to 10V. Typical application uses a 10µF input capacitor."
      }
    ],
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        "pages": 9,
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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      "at": [
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      "source": "silk-marker",
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      "mark": "drawn"
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        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
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      },
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        "file": "1117-3-3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
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        "sha256": "ff67d00690574f669a8eec33f23adc483e6a5b1addf195ca23c9bbe407b4a32c",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
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      "rows": [
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          "kind": "absolute_maximum",
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          "typ": null,
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          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Input voltage",
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          "unit": "V",
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          "conditions": "",
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  "discovery_triggers": [
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  "discovery_pitch": "1117-3.3 (IDCHIP) 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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    "README.md",
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    "1117-3-3.kicad_mod",
    "1117-3-3.glb",
    "1117-3-3.step",
    "1117-3-3-etched.step",
    "1117-3-3.lbr",
    "docs/hero.png",
    "docs/1117-3-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "1117-3-3-etched.glb"
  ],
  "visibility": "public",
  "variants": [
    {
      "mpn": "1117-3.3H",
      "kind": "packaging"
    },
    {
      "mpn": "1117-3.3H-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "1117-3.3H-1.8",
      "kind": "different-part"
    },
    {
      "mpn": "1117-3.3H-ADJ",
      "kind": "different-part"
    },
    {
      "mpn": "1117-3.3R",
      "kind": "packaging"
    },
    {
      "mpn": "1117-3.3T",
      "kind": "packaging"
    },
    {
      "mpn": "1117-3.3S",
      "kind": "packaging"
    },
    {
      "mpn": "1117-3.3D",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T14:24:27.989Z",
  "description": "IDCHIP Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}