main
Ray Set visibility: public 4e5ab1b 21d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "gn78l05asr",
  "title": "GN78L05ASR",
  "brief": "GN Semic 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",
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  "component": {
    "mpn": "GN78L05ASR",
    "manufacturer": "GN Semic",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911935231807489",
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      "model_3d_step": "gn78l05asr-etched.step",
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      "lbr": "gn78l05asr.lbr"
    },
    "distributor_links": {
      "lcsc": "C427452"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:16:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 5 V output, specified at 4.75 V to 5.25 V for output currents up to 100 mA with the stated test conditions."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference pin; the datasheet gives no separate electrical limit for this pin."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input with a maximum rating of 30 V, and electrical characteristics are specified for input voltages from 7 V to 20 V."
      }
    ],
    "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: Pinout taken from the line '1. OUT 2. GND 3. IN' on page 1 and matches the schematic on page 2 (pin ; The datasheet gives no pin-level electrical limit for GND (pin 2), so its description is limited to "
        ],
        "pages_sent": 3,
        "cost_usd": 0.0217,
        "at": "2026-10-18T19:14:06"
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        "pages": 3,
        "sha256": "454dc3240ba0b635",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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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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          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": "gn78l05asr-etched.step",
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        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "f2167510c7bf2e2e7a4b396b1be28f64c537a188d78362b194968cb698afe509",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "GN Semic",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "454dc3240ba0b635bd00d5a14e60b08545e39dd8fb4c95d3f3f6ac25ce473ed2",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.8,
          "typ": 5,
          "max": 5.2,
          "conditions": "IO=40mA TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "IO=1mA to 40mA VI=7V to 20V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 32,
          "max": 150,
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        {
          "name": "Line Regulation",
          "symbol": "△Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 26,
          "max": 100,
          "conditions": "VI=8V to 20V TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△VO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": 60,
          "conditions": "IO=1mA to 100mA TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△VO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 8,
          "max": 30,
          "conditions": "IO=1mA to 40 mA TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 41,
          "typ": 49,
          "max": null,
          "conditions": "VI=8V to 18V TJ=25℃ f=120Hz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "μV",
          "min": null,
          "typ": null,
          "max": 42,
          "conditions": "f=10Hz~100KHz TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.7,
          "conditions": "TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.8,
          "max": 6,
          "conditions": "TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "TJ=125℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "△IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VI=8V to 20V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "△IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IO=1mA to 40mA",
          "source_page": 1,
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        },
        {
          "name": "Input Voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
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          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Output Current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
    "gn78l05asr"
  ],
  "discovery_pitch": "GN78L05ASR (GN Semic) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "gn78l05asr.step",
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  "visibility": {
    "public": true
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}