main
Ray Set visibility: public 4a83f34 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cbm1117dt-3-3",
  "title": "CBM1117DT-3.3",
  "brief": "Corebai Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "cbm1117dt-3.3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CBM1117DT-3.3",
    "manufacturer": "Corebai Microelectronics",
    "package": "TO-252-2",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600508135324852224",
    "parts": {
      "symbol": "cbm1117dt-3-3.kicad_sym",
      "footprint": "cbm1117dt-3-3.kicad_mod",
      "model_3d": "cbm1117dt-3-3-hero.glb",
      "model_3d_plain": "cbm1117dt-3-3-etched.glb",
      "model_3d_step": "cbm1117dt-3-3-etched.step",
      "model_3d_step_plain": "cbm1117dt-3-3.step",
      "lbr": "cbm1117dt-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C19818841"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:19:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the fixed-output option (ADJ adjustment pin on the adjustable option), so on the 3.3V part it is the ground reference."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulator output voltage pin (3.3V fixed, IO 10mA to 1.0A), needing an output capacitor to ground, with the metal tab electrically connected to Vout."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Regulator input voltage pin, maximum 15V, with 4.8V to 12.0V specified for the 3.3V output."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The TO-252-2 drawing labels the top lead '2' as INPUT, the unnumbered middle lead as OUTPUT, and the; The package is named TO-252-2, but the drawing shows three leads plus a tab, and the tab is Vout. Th",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 15,
        "cost_usd": 0.1653,
        "at": "2026-10-18T17:17:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600508135324852224",
        "pages": 15,
        "sha256": "34a1b522e8f4fd2c",
        "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": "cbm1117dt-3-3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cbm1117dt-3-3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2fdd8692bfc72abdc7f213fb3a9a2ce8c3e278948cfd2874dcbff3321b31ed42",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Corebai Microelectronics",
      "Package": "TO-252-2",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "34a1b522e8f4fd2cbd9dbdb9a5e0c81a4bc1f2065e3740962fd83232c4dbb494",
      "rows": [
        {
          "name": "Output voltage (CBM1117X-3.3)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.24,
          "typ": 3.3,
          "max": 3.36,
          "conditions": "IO = 10mA to 1.0A, VIN = 4.8 to 12.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation (CBM1117X-3.3)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 7,
          "conditions": "IO = 10mA, VIN = 4.8 to 12.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (CBM1117X-3.3)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 12,
          "conditions": "IO = 10mA to 1.0A, VIN = 5.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage (25 C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.3,
          "conditions": "IO = 1A, Tj = 25C (all modes)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage (full junction temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.55,
          "conditions": "IO = 1A, Tj = -40C to +125C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.2,
          "max": 10,
          "conditions": "VIN - VO = 1.5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Adjust pin current vs load (IO = 10 mA)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 50,
          "max": 120,
          "conditions": "IO = 10mA, VIN - VO = 1.4 to 10V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Adjust pin current change (IO = 10 mA to 1 A)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.5,
          "max": 5,
          "conditions": "IO = 10mA to 1A, VIN - VO = 1.4 to 10V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 72,
          "max": null,
          "conditions": "120Hz input ripple, VIN - VO = 5V, IO = 1.0A, TJ = -40C to +125C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Operating junction temperature range for CBM1117X-DT (footnote 0 to 150 applies only to CBM1117X-1.2)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (TO-252)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "Silicon junction to air, TO-252",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (TO-252)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 22,
          "conditions": "Chip to frame (case) surface, TO-252",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1000,
          "max": null,
          "conditions": "VIN - VO = 5V, Tj = 25C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum load current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VIN = 13.75V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature drift (output voltage)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "TJ = -40C to +125C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RMS output noise",
          "symbol": "",
          "kind": "electrical",
          "unit": "%Vo",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "25C, 10Hz to 10kHz bandwidth",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cbm1117dt-3.3"
  ],
  "discovery_pitch": "CBM1117DT-3.3 (Corebai Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cbm1117dt-3-3.kicad_sym",
    "cbm1117dt-3-3.kicad_mod",
    "cbm1117dt-3-3.glb",
    "cbm1117dt-3-3.step",
    "cbm1117dt-3-3.lbr",
    "docs/hero.png",
    "docs/cbm1117dt-3-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cbm1117dt-3-3-hero.glb",
    "cbm1117dt-3-3-hero.overlay.json",
    "cbm1117dt-3-3-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}