main
Ray Set visibility: public 55ebeab 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kia79l12bp-at",
  "title": "KIA79L12BP-AT",
  "brief": "KEC Semicon Linear Voltage Regulators (LDO), TO-92-3. 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 ics",
    "kia79l12bp-at",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "KIA79L12BP-AT",
    "manufacturer": "KEC Semicon",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d5560e738b224bada0a810eef473f180.pdf",
    "parts": {
      "symbol": "kia79l12bp-at.kicad_sym",
      "footprint": "kia79l12bp-at.kicad_mod",
      "model_3d": "kia79l12bp-at-hero.glb",
      "model_3d_plain": "kia79l12bp-at-etched.glb",
      "model_3d_step": "kia79l12bp-at-etched.step",
      "model_3d_step_plain": "kia79l12bp-at.step",
      "lbr": "kia79l12bp-at.lbr"
    },
    "distributor_links": {
      "lcsc": "C125257"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T12:01:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMMON",
        "type": "power_in",
        "description": "Common (ground) reference pin of the negative regulator."
      },
      {
        "number": "2",
        "name": "INPUT",
        "type": "power_in",
        "description": "Negative input voltage, absolute maximum -35V for KIA79L12BP, with the 12V part's specified line range of -14.5V to -27V."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated output of -12.0V typical (-12.5V to -11.5V at Tj=25C), with maximum output current of 150mA."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet shows only the TO-92L package (pin 1 COMMON, 2 INPUT, 3 OUTPUT). The package hint is T; The datasheet gives -35V as the maximum input only as a group rating for KIA79L05BP through KIA79L15"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0977,
        "at": "2026-10-30T12:00:51"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d5560e738b224bada0a810eef473f180.pdf",
        "pages": 13,
        "sha256": "0aa1322d0fca3806",
        "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": "kia79l12bp-at.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kia79l12bp-at-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "6ae62e1b0cfcc969a346d066841a2c8dc0b917a30c58ceec5f5cc296f199c887",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "TO-92L",
      "source_page": 1,
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "kia79l12bp-at.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "KEC Semicon",
      "Package": "TO-92-3",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0aa1322d0fca38061bf675918c7a46ad9ce8d59e2590e1c91bbf1fd914613b70",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": -12.5,
          "typ": -12,
          "max": -11.5,
          "conditions": "Tj=25, VIN=-19V, IOUT=40mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": -12.6,
          "typ": null,
          "max": -11.4,
          "conditions": "-27V ≤ VIN ≤ -14.5V, 1.0mA ≤ IOUT ≤ 40mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Regulation",
          "symbol": "Reg line",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": 250,
          "conditions": "Tj=25, -27V ≤ VIN ≤ -14.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Regulation",
          "symbol": "Reg line",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "Tj=25, -27V ≤ VIN ≤ -16V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Reg load",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 100,
          "conditions": "Tj=25, 1.0mA ≤ IOUT ≤ 100mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Reg load",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "Tj=25, 1.0mA ≤ IOUT ≤ 40mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.2,
          "max": 6.5,
          "conditions": "Tj=25",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Tj=125",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change (input)",
          "symbol": "ΔIB(I)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "-27V ≤ VIN ≤ -16V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change (output)",
          "symbol": "ΔIB(O)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "1.0mA ≤ IOUT ≤ 40mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection Ratio",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 37,
          "typ": 42,
          "max": null,
          "conditions": "-25V ≤ VIN ≤ -15V, Tj=25, f=120Hz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VNO",
          "kind": "electrical",
          "unit": "µVrms",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "Ta=25, 10Hz ≤ f ≤ 100kHz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Long Term Stability",
          "symbol": "ΔVOUT/Δt",
          "kind": "electrical",
          "unit": "mV/1.0kHrs",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VIN-VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "Tj=25, IOUT=40mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Average Temperature Coefficient of Output Voltage",
          "symbol": "TCVO",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": null,
          "typ": -1,
          "max": null,
          "conditions": "IOUT=5mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -35,
          "typ": null,
          "max": null,
          "conditions": "KIA79L05BP~KIA79L15BP",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "Tc=25",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -30,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -30,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max Output Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Tj=25",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "kia79l12bp-at"
  ],
  "discovery_pitch": "KIA79L12BP-AT (KEC Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}