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Ray Publish 0.2.1 bbe0017 15h ago
{
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  "type": "component",
  "slug": "ams1117-1-2s",
  "title": "AMS1117-1.2S",
  "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-89",
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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/2311091742_UMW-Youtai-Semiconductor-Co---Ltd--AMS1117-1-2S_C5354987.pdf",
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        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the fixed-output version. On the adjustable variant this pin is the ADJ feedback input; on the AMS1117-1.2 (fixed) it is tied internally as the device ground return."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 1.2V output (1.176V to 1.224V at IOUT=10mA, VIN=3.2V, TJ=25°C). Rated for up to 1A load current. Requires a 22µF tantalum output capacitor for stability."
      },
      {
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        "description": "Unregulated input supply. Absolute maximum 18V; recommended operating input 12V. Typical dropout of 1.2V at 1A, so VIN must exceed VOUT by at least this margin. A 10µF input bypass capacitor is recommended."
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        "described": 3,
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        "refuses_to_fabricate": true
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          "source_page": 3,
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          "name": "Input voltage",
          "symbol": "VIN",
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          "unit": "V",
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          "conditions": "",
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  "discovery_pitch": "AMS1117-1.2S (UMW) 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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    "ams1117-1-2s.step",
    "ams1117-1-2s-etched.step",
    "ams1117-1-2s.lbr",
    "docs/hero.png",
    "docs/ams1117-1-2s-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": "public",
  "variants": [
    {
      "mpn": "AMS1117-1.2SS",
      "kind": "packaging"
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    {
      "mpn": "AMS1117-1.2S",
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    },
    {
      "mpn": "AMS1117-1.2SCD",
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    }
  ],
  "updated_at": "2026-09-24T16:21:37.582Z",
  "description": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}