AH1117CLTR18

{
  "schema_version": 1,
  "type": "component",
  "slug": "ah1117cltr18",
  "title": "AH1117CLTR18",
  "brief": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ah1117cltr18"
  ],
  "component": {
    "mpn": "AH1117CLTR18",
    "manufacturer": "BL Shanghai Belling",
    "package": "SOT-223-3",
    "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-AH1117CLTR18_C2932498.pdf",
    "parts": {
      "symbol": "ah1117cltr18.kicad_sym",
      "footprint": "ah1117cltr18.kicad_mod",
      "model_3d": "ah1117cltr18-etched.glb",
      "model_3d_plain": "ah1117cltr18.glb",
      "model_3d_step": "ah1117cltr18-etched.step",
      "model_3d_step_plain": "ah1117cltr18.step",
      "lbr": "ah1117cltr18.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "Vss/ADJ",
        "type": "power_in",
        "description": "Ground pin for fixed-output versions (Vss). On the AH1117-ADJ variant this pin functions as the ADJ feedback input, referenced to the 1.25V internal bandgap. For AH1117CLTR18 (fixed 1.8V) this pin is the device ground."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output voltage. For AH1117CLTR18 the nominal output is 1.8V ±2% at up to 1A load, with 10mV typical load regulation. A 10uF tantalum output capacitor is recommended for stability."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Supply voltage input. Recommended operating range up to 12V (absolute max 15V). For 1.8V output, minimum Vin ≈ 3.3V to guarantee regulation; a 10uF tantalum input bypass capacitor is recommended."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121530_BL-Shanghai-Belling-AH1117CLTR18_C2932498.pdf",
        "pages": 8,
        "sha256": "0ee1c0c75939cf2d",
        "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"
    },
    "models_3d": [
      {
        "file": "ah1117cltr18.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ah1117cltr18-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "99f039953299cb9fce12f9339367533655913b920e60ea94d21f94a802344036",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "SOT-223-3",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "AH1117CLTR12",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR15",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR18",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR25",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR33",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR50",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTRAD",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR18COTR12",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR18COTR15",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR18COTR18",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR18COTR25",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR18COTR33",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR18COTR50",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR18COTRAD",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ah1117cltr18"
  ],
  "discovery_pitch": "AH1117CLTR18 (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",
    "ah1117cltr18.kicad_sym",
    "ah1117cltr18.kicad_mod",
    "ah1117cltr18.glb",
    "ah1117cltr18.step",
    "ah1117cltr18.lbr",
    "docs/hero.png",
    "docs/ah1117cltr18-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:07:31.284Z"
}