AH1117CLTR25

{
  "schema_version": 1,
  "type": "component",
  "slug": "ah1117cltr25",
  "title": "AH1117CLTR25",
  "brief": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ah1117cltr25"
  ],
  "component": {
    "mpn": "AH1117CLTR25",
    "manufacturer": "BL Shanghai Belling",
    "package": "SOT-223",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2210181830_BL-Shanghai-Belling-AH1117CLTR25_C2999150.pdf",
    "parts": {
      "symbol": "ah1117cltr25.kicad_sym",
      "footprint": "ah1117cltr25.kicad_mod",
      "model_3d": "ah1117cltr25-etched.glb",
      "model_3d_plain": "ah1117cltr25.glb",
      "model_3d_step": "ah1117cltr25-etched.step",
      "model_3d_step_plain": "ah1117cltr25.step",
      "lbr": "ah1117cltr25.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / reference pin. On fixed-voltage versions (including the -2.5V AH1117CLTR25) this pin is the device ground return. On the -ADJ variant this same pin is the ADJ feedback node (1.25V reference)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage. For the AH1117CLTR25 variant this pin delivers a fixed 2.5V ±2% at up to 1A load current. Requires a 10uF tantalum output capacitor for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply input. Recommended input range up to 12V (absolute max 15V). For the 2.5V variant, Vin must be at least Vout + dropout (~1.3V at 1A). A 10uF tantalum bypass capacitor is recommended."
      },
      {
        "number": "TAB",
        "name": "VOUT",
        "type": "power_out",
        "description": "Thermal tab / heat-sink pad, electrically connected to VOUT (pin 2) on SOT-223. Solder to a copper pour on the PCB to lower thermal resistance (θJA ~20°C/W package alone)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2210181830_BL-Shanghai-Belling-AH1117CLTR25_C2999150.pdf",
        "pages": 8,
        "sha256": "0d29c0ac9649066e",
        "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"
    },
    "models_3d": [
      {
        "file": "ah1117cltr25.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": "ah1117cltr25-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": "ccb92c9e38e9cb2d090bdf86710f60a38a62d137c44491b0ecd2da918909d17c",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0d29c0ac9649066e",
      "rows": [
        {
          "name": "Output Voltage (AH1117-2.5V)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 2.45,
          "typ": 2.5,
          "max": 2.55,
          "conditions": "0≤Iout≤1A , Vin=4.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (AH1117-2.5V)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "Iout=10mA, 4.0V≤Vin≤12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (AH1117-2.5V)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "Vin=4.0V, 10mA≤Iout≤1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.23,
          "max": 1.3,
          "conditions": "Iout=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "Iout=1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (AH1117-2.5V)",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 3.5,
          "conditions": "Vin =12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient (reference)",
          "symbol": "ΔV/ΔT",
          "kind": "temperature_coefficient",
          "unit": "ppm",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "Ta",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10S",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "Ilimit",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Vin-Vout=2V, Tj=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case (SOT-223)",
          "symbol": "JC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance (SOT-223)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [
    {
      "mpn": "AH1117CLTR25",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR12",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR15",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR18",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR33",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR50",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTRAD",
      "kind": "unknown"
    },
    {
      "mpn": "AH1117CLTR25COTR25",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR25COTR12",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR25COTR15",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR25COTR18",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR25COTR33",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR25COTR50",
      "kind": "packaging"
    },
    {
      "mpn": "AH1117CLTR25COTRAD",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ah1117cltr25"
  ],
  "discovery_pitch": "AH1117CLTR25 (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",
    "ah1117cltr25.kicad_sym",
    "ah1117cltr25.kicad_mod",
    "ah1117cltr25.glb",
    "ah1117cltr25.step",
    "ah1117cltr25.lbr",
    "docs/hero.png",
    "docs/ah1117cltr25-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:07:39.994Z"
}