main
Ray Set visibility: public ea077f2 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bl78l33",
  "title": "BL78L33",
  "brief": "GME(银河微电) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "lbr": "bl78l33.lbr"
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    "distributor_links": {
      "lcsc": "C21882683"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:59:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VO",
        "type": "power_out",
        "description": "Regulated 3.3 V output (BL78L33, 3.135 V to 3.465 V over line and load), up to 100 mA maximum output current, with a 0.1 µF output capacitor CO shown in the application circuit."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator, connected to the common return of the input capacitor C1 and the output capacitor CO."
      },
      {
        "number": "3",
        "name": "VI",
        "type": "power_in",
        "description": "Unregulated input voltage, absolute maximum 30 V for the 78L33 to 78L09 versions, with a 0.33 µF input capacitor C1 shown in the application circuit."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin assignment is read from the application circuit and 3D package picture on page 1 (3=VI, 1=VO, 2=",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
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        "cost_usd": 0.2861,
        "at": "2026-10-18T09:58:26"
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        "pages": 9,
        "sha256": "08fa1aef879d15b6",
        "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
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        "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",
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  "metadata": {
    "specs": {
      "Manufacturer": "GME(银河微电)",
      "Package": "SOT-89",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "08fa1aef879d15b6527fbec395f8be059dedf824861ed5e9804888b06cf42162",
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          "name": "Output voltage (Tj=25℃ row)",
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          "kind": "electrical",
          "unit": "V",
          "min": 3.168,
          "typ": 3.3,
          "max": 3.432,
          "conditions": "Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Output voltage (5.8V to 20V row)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.135,
          "typ": null,
          "max": 3.465,
          "conditions": "5.8V≤Vi≤20V, IO=1mA-40mA",
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          "source": "datasheet"
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          "name": "Output voltage (Vi=8.3V row)",
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        {
          "name": "Load regulation",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "Tj=25℃, IO=1mA-100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
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          "max": 30,
          "conditions": "Tj=25℃, IO=1mA-40mA",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Line regulation",
          "symbol": "Regline",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "5.8V≤Vi≤20V, Tj=25℃",
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          "source": "datasheet"
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        {
          "name": "Line regulation",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "6.3V≤Vi≤20V, Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "Tj=125℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change",
          "symbol": "ΔIQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "6.3V≤Vi≤20V",
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        {
          "name": "Quiescent current change",
          "symbol": "ΔIQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "1mA≤IO≤40mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 41,
          "typ": 49,
          "max": null,
          "conditions": "IO=40mA, 6.3V≤Vi≤16.3V, f=120Hz, Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (78L33-78L09)",
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        {
          "name": "Maximum output current",
          "symbol": "ICM",
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          "unit": "mA",
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          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "TA = 25C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
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          "unit": "C",
          "min": null,
          "typ": null,
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          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "bl78l33"
  ],
  "discovery_pitch": "BL78L33 (GME(银河微电)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}