main
Ray Set visibility: public 043f097 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm78l24f",
  "title": "LM78L24F",
  "brief": "HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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)",
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  "component": {
    "mpn": "LM78L24F",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "SOT-89-3",
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    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588936533587447808",
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    "distributor_links": {
      "lcsc": "C465005"
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    "distributor_check": {
      "checked_at": "2026-10-18T15:32:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 24V output of the LM78L24 (nominal 24V); the datasheet rates the output current up to 100mA."
      },
      {
        "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; for the LM78L24 the absolute maximum input is 40V and the recommended input range is 26.5V to 39V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "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: Pin numbering for SOT-89 is taken from the 'Pin Description' table on page 4 (TO-92 / SOT-89 3 LEAD ; The datasheet covers the LM78L24F as an SOT-89 reel part (ordering table, page 3), so the SOT-89-3 v"
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        "pages_sent": 11,
        "cost_usd": 0.0556,
        "at": "2026-10-18T15:29:53"
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      "datasheet": {
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        "pages": 11,
        "sha256": "62104aa6d0169a55",
        "source_tier": "lcsc"
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      "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",
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        "role": "plain",
        "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": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "sha256": "997b521f232326ceb57c4d2a1d6ced1f812f7392fa489eda2ddd8d74440b626d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "62104aa6d0169a55ea1afb6ec744bf628b46e553f329698e5d3bc3fd9da665fe",
      "rows": [
        {
          "name": "Output Voltage (25℃)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 23,
          "typ": 24,
          "max": 25,
          "conditions": "1mA ≤ Io ≤ 40mA; 26.5V ≤ VIN ≤ 39V; 25℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (over temperature)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 22.8,
          "typ": 24,
          "max": 25.2,
          "conditions": "1mA ≤ Io ≤ 40mA; 26.5V ≤ VIN ≤ 39V; -30℃ ~ 125℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (Io up to 70mA)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 22.8,
          "typ": 24,
          "max": 25.2,
          "conditions": "1mA ≤ Io ≤ 70mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 95,
          "max": 480,
          "conditions": "26.5V ≤ VIN ≤ 39V; 25℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 78,
          "max": 400,
          "conditions": "29V ≤ VIN ≤ 39V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 41,
          "max": 240,
          "conditions": "1mA ≤ Io ≤ 100mA; 25℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 28,
          "max": 120,
          "conditions": "1mA ≤ Io ≤ 40mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Bias Current (25℃)",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.8,
          "max": 6.5,
          "conditions": "25℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Bias Current (125℃)",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "125℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Bias Current Change",
          "symbol": "ΔIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "28V ≤ VIN ≤ 39V; -30℃ ~ 125℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 30,
          "typ": 33,
          "max": null,
          "conditions": "27.5V ≤ VIN ≤ 37.5V, f=120Hz; 25℃",
          "source_page": 9,
          "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": 9,
          "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": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "25℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum, LM78L24)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "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 soldering",
          "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"
        },
        {
          "name": "Input Voltage (recommended, LM78L24)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 26.5,
          "typ": null,
          "max": 39,
          "conditions": "LM78L24",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "Io",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "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"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "LM78L24F (HTC Korea TAEJIN Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}