AMS1117CD-ADJ

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  "title": "AMS1117CD-ADJ",
  "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "AMS1117CD-ADJ",
    "manufacturer": "UMW",
    "package": "TO-252-2",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403191555_UMW-Youtai-Semiconductor-Co---Ltd--AMS1117CD-ADJ_C347251.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "input",
        "description": "Adjust pin. Feedback input for the internal error amplifier; connect to the tap of an external R1/R2 divider from VOUT to GND to set output voltage per VOUT = VREF x (1 + R2/R1) + IADJ x R2, where VREF = 1.25V (typ) and IADJ ~= 60uA (typ, 120uA max)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output. Supplies up to 1A of regulated current. Requires a 22uF tantalum output capacitor for stability. Output is set by external divider on the ADJ variant; internal reference is 1.25V (typ)."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply. Absolute maximum 18V; recommended operating maximum 12V. Dropout voltage typ 1.2V at 1A. Recommend 10uF bypass capacitor from VIN to GND."
      }
    ],
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        "pages": 13,
        "sha256": "5ec219092aa45bd9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "units": "mm",
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
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          "name": "Input voltage",
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  "discovery_pitch": "AMS1117CD-ADJ (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "updated_at": "2026-09-24T16:23:47.276Z",
  "description": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}