BL1117C-33CM

{
  "schema_version": 1,
  "type": "component",
  "slug": "bl1117c-33cm",
  "title": "BL1117C-33CM",
  "brief": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "bl1117c-33cm"
  ],
  "component": {
    "mpn": "BL1117C-33CM",
    "manufacturer": "BL Shanghai Belling",
    "package": "SOT-89-3L",
    "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/2201121530_BL-Shanghai-Belling-BL1117C-33CM_C2932480.pdf",
    "parts": {
      "symbol": "bl1117c-33cm.kicad_sym",
      "footprint": "bl1117c-33cm.kicad_mod",
      "model_3d": "bl1117c-33cm-etched.glb",
      "model_3d_plain": "bl1117c-33cm.glb",
      "model_3d_step": "bl1117c-33cm-etched.step",
      "model_3d_step_plain": "bl1117c-33cm.step",
      "lbr": "bl1117c-33cm.lbr"
    },
    "distributor_links": {
      "lcsc": "C2932480"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator. Return path for both quiescent current (~2mA typ) and the regulated load current up to 1A."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated 3.3V output (3.234V-3.366V, ±2%) at up to 1A. A 10 µF tantalum output capacitor to GND is required for stability."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Unregulated input supply. Recommended operating range up to 12V (absolute max 15V). A 10 µF tantalum bypass capacitor to GND is recommended. Requires Vin ≥ 4.8V for 3.3V regulation at 1A (dropout 1.3V typ, 1.5V max)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121530_BL-Shanghai-Belling-BL1117C-33CM_C2932480.pdf",
        "pages": 11,
        "sha256": "75593a439c9d03a8",
        "source_tier": "lcsc"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.95,
        -1.5
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-89-3@sha256:0b8db9f4a8f2547a",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "bl1117c-33cm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl1117c-33cm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "7634f669ad72312708559e8de597da3332a31b1c93bc2aeee78aa3797f2feaf7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "SOT-89-3L",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl1117c-33cm"
  ],
  "discovery_pitch": "BL1117C-33CM (BL Shanghai Belling) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl1117c-33cm.kicad_sym",
    "bl1117c-33cm.kicad_mod",
    "bl1117c-33cm.glb",
    "bl1117c-33cm.step",
    "bl1117c-33cm.lbr",
    "docs/hero.png",
    "docs/bl1117c-33cm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl1117c-33cm-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:47:11.768Z"
}