SK1117-3.3

{
  "schema_version": 1,
  "type": "component",
  "slug": "sk1117-3-3",
  "title": "SK1117-3.3",
  "brief": "Shikues 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": [
    "component",
    "pmic",
    "sk1117-3.3"
  ],
  "component": {
    "mpn": "SK1117-3.3",
    "manufacturer": "Shikues",
    "package": "SOT-223",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/00564561801c56a01f2cfdbef434796d.pdf",
    "parts": {
      "symbol": "sk1117-3-3.kicad_sym",
      "footprint": "sk1117-3-3.kicad_mod",
      "model_3d": "sk1117-3-3-etched.glb",
      "model_3d_plain": "sk1117-3-3.glb",
      "model_3d_step": "sk1117-3-3-etched.step",
      "model_3d_step_plain": "sk1117-3-3.step",
      "lbr": "sk1117-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C165482"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / common return. On the fixed-output SK1117-3.3 version this pin is the device ground reference (labeled VSS/ADJ in the pinout table; on the ADJ part it is the feedback ADJ pin, on fixed parts it is GND). Tie to the single-point ground of the application."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (3.234V min / 3.3V typ / 3.366V max at 0<=Iout<=1A, Vin=4.6V). Requires a 10uF tantalum bypass capacitor to ground for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply. Typical 15V, absolute max 18V; must be at least Vout + Vdrop (Vdrop ~1.1V at 1A). Recommend a 10uF tantalum bypass capacitor to ground."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output tab (large SOT-223 heat-slug pad, internally connected to pin 2). Also serves as the primary thermal dissipation path; solder to a copper pour to lower thermal resistance (SOT-223 theta_JC ~20 C/W)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/00564561801c56a01f2cfdbef434796d.pdf",
        "pages": 10,
        "sha256": "e3e5f9a414ebb08b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -3.15,
        -2.3
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sk1117-3-3.step",
        "role": "plain",
        "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": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sk1117-3-3-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": "60ca44c31281629aea9ae2397dc2c185936e2b7108a95026e7397a19005e7a8a",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shikues",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sk1117-3.3"
  ],
  "discovery_pitch": "SK1117-3.3 (Shikues) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sk1117-3-3.kicad_sym",
    "sk1117-3-3.kicad_mod",
    "sk1117-3-3.glb",
    "sk1117-3-3.step",
    "sk1117-3-3-etched.step",
    "sk1117-3-3.lbr",
    "docs/hero.png",
    "docs/sk1117-3-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SK1117-3.3",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:05:47.694Z"
}