main
Ray Set visibility: public c1c94cc 9h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm78l15ta",
  "title": "LM78L15TA",
  "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": [
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    "power management (pmic)",
    "lm78l15ta",
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    "extractor-text"
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  "component": {
    "mpn": "LM78L15TA",
    "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/8588895114563899392",
    "parts": {
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    "distributor_links": {
      "lcsc": "C262798"
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    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
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        "status": "quota"
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    },
    "pins": [
      {
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        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 15 V output rated for up to 100 mA of output current, held within 14.25 V to 15.75 V over -30 °C to 125 °C at 1 mA ≤ Io ≤ 70 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin shared by the input and output of the regulator."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input for the LM78L15, with a recommended range of 17.5 V to 30 V and an absolute maximum of 35 V for the LM78L12 to LM78L18 group."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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 TO-92/SOT-89 pin table and the TO-92 legend ('1. VOUT 2. GND 3. VIN') agree, but the pin diagram; The 35 V absolute maximum applies to the LM78L12 to LM78L18 group as a whole, as printed in the rati"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0546,
        "at": "2026-10-18T13:38:11"
      },
      "datasheet": {
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        "pages": 11,
        "sha256": "765abefec5b0c4e3",
        "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": [
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        "role": "plain",
        "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": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "2439c3651ae240591df179a1ce83766799608afa74d4743cf654f57833732d58",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "TO-92-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "765abefec5b0c4e39d15095c9430d5e5047afa359c57d82bb82f80ca41dbd422",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 14.4,
          "typ": 15,
          "max": 15.6,
          "conditions": "25℃; 1mA ≤ Io ≤ 40mA; 17.5V ≤ VIN ≤ 30V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 14.25,
          "typ": 15,
          "max": 15.75,
          "conditions": "-30℃ ~ 125℃; 1mA ≤ Io ≤ 40mA; 17.5V ≤ VIN ≤ 30V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 65,
          "max": 300,
          "conditions": "17.5V ≤ VIN ≤ 30V; 25℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 58,
          "max": 250,
          "conditions": "19V ≤ VIN ≤ 30V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 25,
          "max": 150,
          "conditions": "1mA ≤ Io ≤ 100mA; 25℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": 75,
          "conditions": "1mA ≤ Io ≤ 40mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.2,
          "max": 6.5,
          "conditions": "25℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "125℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Bias Current Change",
          "symbol": "ΔIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "19V ≤ VIN ≤ 30V; -30℃ ~ 125℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.7,
          "conditions": "25℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 37,
          "max": 44,
          "conditions": "18.5V ≤ VIN ≤ 28.5V, f=120Hz; 25℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Bias Current Change",
          "symbol": "ΔIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "1mA ≤ Io ≤ 40mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "uV",
          "min": null,
          "typ": 82,
          "max": null,
          "conditions": "10Hz ≤ f ≤ 100kHz; 25℃",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 17.5,
          "typ": null,
          "max": 30,
          "conditions": "LM78L15",
          "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",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "LM78L12 ~ LM78L18 group (applies to LM78L15)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation",
          "symbol": "PDMax",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.77,
          "conditions": "TA = 25°C, TO-92",
          "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)",
          "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",
          "symbol": "TJOPR",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  ],
  "discovery_pitch": "LM78L15TA (HTC Korea TAEJIN Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}