main
Ray Set visibility: public b6214e6 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm78l05a",
  "title": "LM78L05A",
  "brief": "HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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 (pmic)",
    "lm78l05a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM78L05A",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892403993858048",
    "parts": {
      "symbol": "lm78l05a.kicad_sym",
      "footprint": "lm78l05a.kicad_mod",
      "model_3d": "lm78l05a-hero.glb",
      "model_3d_plain": "lm78l05a-etched.glb",
      "model_3d_step": "lm78l05a-etched.step",
      "model_3d_step_plain": "lm78l05a.step",
      "lbr": "lm78l05a.lbr"
    },
    "distributor_links": {
      "lcsc": "C126060"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T04:42:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5V output of the LM78L05A, rated for up to 100mA output current (Io 100mA max)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input voltage; recommended 7V to 20V for the LM78L05, with absolute maximum input voltage of 30V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The LM78L05A is listed in the ordering table as TO-92 Bulk (order number LM78L05A), and the TO-92 pi; Pin descriptions are summarized from the datasheet's generic 'Output Voltage', 'Ground', and 'Input ; Pin types are assigned per KiCad ERC classes: VOUT as power_out and VIN and GND as power_in, because"
        ],
        "pages_sent": 11,
        "cost_usd": 0.049,
        "at": "2026-10-18T04:40:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892403993858048",
        "pages": 11,
        "sha256": "b5b1ed6d19d1619d",
        "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": "lm78l05a.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm78l05a-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": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "5dc72d306e48daea04c67b6cdfa963c5dba6275b3c213af9b5bfdda823de9cdb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "TO-92-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b5b1ed6d19d1619dac0643439fa0f91bcde19bb89ba13aee767ce8e747c9fdc1",
      "rows": [
        {
          "name": "Output voltage (25℃, 1mA ≤ Io ≤ 40mA)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "25℃; 1mA ≤ Io ≤ 40mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (1mA ≤ Io ≤ 40mA, 7V ≤ VIN ≤ 20V)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.875,
          "typ": 5,
          "max": 5.125,
          "conditions": "1mA ≤ Io ≤ 40mA; 7V ≤ VIN ≤ 20V (Note 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (1mA ≤ Io ≤ 70mA, over temperature)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.875,
          "typ": 5,
          "max": 5.125,
          "conditions": "1mA ≤ Io ≤ 70mA; -30℃ ~ 125℃ (Note 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 32,
          "max": 150,
          "conditions": "7V ≤ VIN ≤ 20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation (25℃)",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 26,
          "max": 100,
          "conditions": "8V ≤ VIN ≤ 20V; 25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": 60,
          "conditions": "1mA ≤ Io ≤ 100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (25℃)",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 8,
          "max": 30,
          "conditions": "1mA ≤ Io ≤ 40mA; 25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent (bias) current, 25℃",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.8,
          "max": 6,
          "conditions": "25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent (bias) current, 125℃",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "125℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Bias current change (line)",
          "symbol": "ΔIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "9V ≤ VIN ≤ 20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Bias current change (load)",
          "symbol": "ΔIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "1mA ≤ Io ≤ 40mA; -30℃ ~ 125℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 41,
          "typ": 49,
          "max": null,
          "conditions": "8V ≤ VIN ≤ 18V, f=120Hz; 25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "uV",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "10Hz ≤ f ≤ 100kHz; 25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (recommended operating)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": 20,
          "conditions": "LM78L05 / LM78L05A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "Io",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating virtual junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "LM78L05 ~ LM78L10",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum power dissipation",
          "symbol": "PDMax",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.77,
          "conditions": "TO-92; TA = 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 162,
          "conditions": "TO-92",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering, 10 sec)",
          "symbol": "TSOL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec",
          "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": "Operating junction temperature range (absolute maximum)",
          "symbol": "TJOPR",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm78l05a"
  ],
  "discovery_pitch": "LM78L05A (HTC Korea TAEJIN Tech) 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",
    "lm78l05a.kicad_sym",
    "lm78l05a.kicad_mod",
    "lm78l05a.glb",
    "lm78l05a.step",
    "lm78l05a.lbr",
    "docs/hero.png",
    "docs/lm78l05a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm78l05a-hero.glb",
    "lm78l05a-hero.overlay.json",
    "lm78l05a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}