HT7133-1

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  "title": "HT7133-1",
  "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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    "mpn": "HT7133-1",
    "manufacturer": "UMW",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3f436b4b99f6ad486a3997974c4029cf.pdf",
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        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0V) for the regulator. Connect to the system ground plane; the input and output decoupling capacitors return here."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply, up to 30V absolute maximum. Bypass with a 10µF capacitor (C1) to GND close to the pin per the application circuit."
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        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±3%, tested at VIN=5.5V, IOUT=10mA). Rated 60mA typical / 100mA max output current; requires a 10µF (C2) output capacitor to GND for stability."
      }
    ],
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  },
  "metadata": {
    "characteristics": {
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      "rows": [
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          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
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          "conditions": "",
          "source_page": 2,
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  "discovery_pitch": "HT7133-1 (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "visibility": "public",
  "variants": [
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      "mpn": "HT7133-1",
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    {
      "mpn": "HT7133-1-A",
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    }
  ],
  "updated_at": "2026-09-24T22:06:28.494Z",
  "description": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}