AMS1117-1.8

{
  "schema_version": 1,
  "type": "component",
  "slug": "ams1117-1-8",
  "title": "AMS1117-1.8",
  "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "ams1117-1.8"
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  "component": {
    "mpn": "AMS1117-1.8",
    "manufacturer": "UMW",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/33adf36a71e298ca40968a589cb6db3a.pdf",
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    "distributor_links": {
      "lcsc": "C347220"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator. On the fixed-output AMS1117-1.8 variant this pin is tied to system ground (on the AMS1117-ADJ variant the same physical pin is the ADJ feedback input)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 1.8V output (typ 1.800V, min 1.764V, max 1.836V at Iout=10mA, Vin=3.8V, Tj=25C). Rated for up to 1A load current. Requires a 22uF tantalum output capacitor for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply. Absolute maximum 18V, recommended operating 12V max. For 1.8V output, minimum Vin is approximately Vout + dropout (~1.2V @ 1A). A 10uF input bypass capacitor is recommended."
      }
    ],
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        "pages": 13,
        "sha256": "5ec219092aa45bd9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
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      "at": [
        -3.15,
        -2.3
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
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        "file": "ams1117-1-8-etched.step",
        "role": "eda",
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d4a6bb57a4835ac575dd103cd17516e137be9eec4dcd176ec3e081d4cb821318",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
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  "discovery_pitch": "AMS1117-1.8 (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "visibility": {
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  "updated_at": "2026-09-24T16:21:53.408Z"
}