AMS1117-5.0

{
  "schema_version": 1,
  "type": "component",
  "slug": "ams1117-5v0",
  "title": "AMS1117-5.0",
  "brief": "AMS 1 A low-dropout fixed 5 V regulator, SOT-223. The 5 V sibling of the AMS1117-3.3. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "voltage-regulator",
    "ldo",
    "5v",
    "sot-223",
    "power"
  ],
  "component": {
    "mpn": "AMS1117-5.0",
    "manufacturer": "Advanced Monolithic Systems",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management",
    "subcategory": "1 A LDO regulator (fixed 5 V)",
    "datasheet": "http://www.advanced-monolithic.com/pdf/ds1117.pdf",
    "parts": {
      "symbol": "ams1117-5v0.kicad_sym",
      "footprint": "ams1117-5v0.kicad_mod",
      "model_3d": "ams1117-5v0-etched.glb",
      "model_3d_plain": "ams1117-5v0.glb",
      "lbr": "ams1117-5v0.lbr",
      "model_3d_step": "ams1117-5v0-etched.step",
      "model_3d_step_plain": "ams1117-5v0.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the fixed-output regulator. Internally the top of the divider is Kelvin-connected to VOUT so this pin can be used for negative-side sensing at the load."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0V output. Requires a 22uF solid tantalum output capacitor for frequency compensation and stability across all load conditions. Delivers up to 1A with 1.3V max dropout at 0.8A."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply. Must be at least VOUT + 1.3V (dropout) up to a 15V absolute maximum. An input capacitor is recommended when the source impedance is significant or when the input line is long."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "http://www.advanced-monolithic.com/pdf/ds1117.pdf",
        "pages": 8,
        "sha256": "189a2651878a87d5",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ams1117-5v0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1b2f41e7bd44feddcdae977d7d9a589d63d3f7dbc3f062564c4fa33530a015aa",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Fixed LDO linear regulator",
      "Output voltage": "5.0 V (1.5% tol)",
      "Output current": "up to 1 A",
      "Dropout": "1.3 V max at 0.8 A",
      "Protection": "Current limit + thermal shutdown",
      "Output cap": "10 µF (stability)",
      "Package": "SOT-223 (tab = VOUT)",
      "Line regulation": "typ. 0.2%"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ams1117-5.0",
    "5v ldo",
    "1a 5v regulator",
    "ams1117 5v",
    "sot-223 5v regulator"
  ],
  "discovery_pitch": "AMS1117-5.0 1 A fixed 5 V low-dropout regulator (SOT-223) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "ams1117-5v0.glb",
    "ams1117-5v0.lbr",
    "docs/hero.png",
    "docs/ams1117-5v0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ams1117-5v0-etched.step"
  ],
  "variants": [
    {
      "mpn": "AMS1117-5.0 (SOT-223)",
      "kind": "different-part"
    },
    {
      "mpn": "AMS1117-5.0/TR (SOT-223, tape & reel)",
      "kind": "different-part"
    }
  ]
}