LM1085T-3.3

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  "slug": "lm1085t-3-3",
  "title": "LM1085T-3.3",
  "brief": "HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. 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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    "mpn": "LM1085T-3.3",
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    "package": "TO-220",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758752923138973696",
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin (labelled ADJ/GND; GND on the fixed 3.3V version, ADJ on the adjustable version), with a 3.3V output tolerance of 3.235V to 3.365V."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (also connected to the tab), delivering up to 3A load current with a maximum dropout of 1.5V at 3A."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, with an absolute maximum of 15V and a recommended operating input of up to 10V (minimum 5V for 3.3V output)."
      }
    ],
    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 2 VOUT is also the metal tab per the package drawing (labelled VOUT on the tab). The pin 1 label",
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        "cost_usd": 0.2893,
        "at": "2026-10-19T09:21:58"
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        "pages": 12,
        "sha256": "f85647044f09c0eb",
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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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        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          4.455,
          28.525
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        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
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  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "TO-220",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
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        {
          "name": "输出电压 Output voltage (LM1085-3.3)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 3.235,
          "typ": 3.3,
          "max": 3.365,
          "conditions": "0 ≤ IOUT ≤ IFULL LOAD, 5V≤ VIN ≤10V（PD<30W）",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "电压线性调整 Line regulation (LM1085-3.3)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "IOUT = 0mA, 5V ≤ VIN ≤ 10V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "负载调整特性 Load regulation (LM1085-3.3)",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "VIN = 5V, 0 ≤ IOUT ≤ IFULL LOAD",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout 压降 (LM1085-3.3 and 5)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "ΔVREF, ΔVOUT = 1%, IOUT = 3A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "电流限制 Current limit",
          "symbol": "ILimt",
          "kind": "electrical",
          "unit": "A",
          "min": 3.2,
          "typ": null,
          "max": 4.5,
          "conditions": "VIN-VOUT=3V",
          "source_page": 5,
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        },
        {
          "name": "静态电流 Quiescent current",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 15,
          "conditions": "Vin-Vout<10V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ADJ 漏电流 ADJ pin current",
          "symbol": "Iadj",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 50,
          "max": 120,
          "conditions": "LM1085",
          "source_page": 5,
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        },
        {
          "name": "ADJ 电流变化 ADJ pin current change",
          "symbol": "ΔIadj",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 5,
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          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "电源电压 Input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD 保护能力 (人体放电)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "人体放电 (human body discharge)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "最大电流 Output current (absolute maximum)",
          "symbol": "Iout",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "芯片耗散功耗 Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "最高工作结温 Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "储存温度 Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "引脚焊接温度 Lead soldering temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 245,
          "conditions": "TO-220/TO-263",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入电压 Input voltage (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "工作温度范围 Operating temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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