main
Ray Set visibility: public 2ebdce1 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "l78l12abutr-cn",
  "title": "L78L12ABUTR-CN",
  "brief": "ChipNobo Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. 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)",
    "l78l12abutr-cn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "L78L12ABUTR-CN",
    "manufacturer": "ChipNobo",
    "package": "SOT-89-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bff85e6701c9a60aa5267455fcae74fe.pdf",
    "parts": {
      "symbol": "l78l12abutr-cn.kicad_sym",
      "footprint": "l78l12abutr-cn.kicad_mod",
      "model_3d": "l78l12abutr-cn-hero.glb",
      "model_3d_plain": "l78l12abutr-cn-etched.glb",
      "model_3d_step": "l78l12abutr-cn-etched.step",
      "model_3d_step_plain": "l78l12abutr-cn.step",
      "lbr": "l78l12abutr-cn.lbr"
    },
    "distributor_links": {
      "lcsc": "C42419950"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:00:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 12V output (Vo 11.5-12.5V at 25°C), up to 0.1A maximum output current, with a 0.1uF output capacitor Co recommended close to the regulator."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin shared by input and output capacitors; quiescent current is 4.3mA typical and 6.5mA max at 25°C."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input voltage (Vi) with absolute maximum 35V, tested at 19V with a 0.33uF input capacitor Ci recommended close to the regulator."
      }
    ],
    "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: Pin 3 (IN) is not listed in the pin table drawing on page 1, which shows only 1. OUT and 2. GND; it ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1402,
        "at": "2026-10-18T05:58:36"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bff85e6701c9a60aa5267455fcae74fe.pdf",
        "pages": 4,
        "sha256": "29f0b5543b52ace6",
        "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": "l78l12abutr-cn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l78l12abutr-cn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "097482a5b2d78de75e7a0df6a0310d82baaeec376f91ccf7db3aae4faebd4ae6",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ChipNobo",
      "Package": "SOT-89-3L",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "29f0b5543b52ace63df76bdebd2d2ef3cc030697ab7b5eb99335886b0a650cfb",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": 11.5,
          "typ": 12,
          "max": 12.5,
          "conditions": "25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": 11.4,
          "typ": 12,
          "max": 12.6,
          "conditions": "14V≤Vi≤27V,Io=1mA~40mA 0-125℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 22,
          "max": 100,
          "conditions": "Io=1mA~100mA 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 13,
          "max": 50,
          "conditions": "Io=1mA~40mA 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 55,
          "max": 250,
          "conditions": "14.5V≤Vi≤27V 0-125℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 49,
          "max": 200,
          "conditions": "16V≤Vi≤27V 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.3,
          "max": 6.5,
          "conditions": "25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "△Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "16V≤Vi≤27V 0-125℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "△Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "1mA≤V I≤40mA 0-125℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "uV/Vo",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "10Hz≤f≤100KHz 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 37,
          "typ": 42,
          "max": null,
          "conditions": "15V≤Vi≤25V,f=120Hz 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "Vi",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -25,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance from Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 166.7,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous total dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "l78l12abutr-cn"
  ],
  "discovery_pitch": "L78L12ABUTR-CN (ChipNobo) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "l78l12abutr-cn.lbr",
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    "docs/l78l12abutr-cn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l78l12abutr-cn-hero.glb",
    "l78l12abutr-cn-hero.overlay.json",
    "l78l12abutr-cn-etched.glb"
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  "visibility": {
    "public": true
  }
}