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Ray Set visibility: public 929b4ef 5d ago
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  "slug": "lt3081er-pbf",
  "title": "LT3081ER#PBF",
  "brief": "Analog Devices Linear Voltage Regulators (LDO), TO-263-7. 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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    "lt3081er#pbf",
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  "component": {
    "mpn": "LT3081ER#PBF",
    "manufacturer": "Analog Devices",
    "package": "TO-263-7",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3081fc.pdf",
    "parts": {
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      "model_3d_step_plain": "lt3081er-pbf.step",
      "lbr": "lt3081er-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C117395",
      "digikey": "505-LT3081ER#PBF-ND",
      "mouser": "584-LT3081ER#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T17:05:50Z",
      "source": "Component Ocean /api/assign-pns",
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        "status": "found"
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        "pn": "584-LT3081ER#PBF",
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    },
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      {
        "number": "1",
        "name": "ILIM",
        "type": "passive",
        "description": "A resistor between this pin and OUT programs the output current limit, typically 360mA/kΩ with a 450Ω offset, and the device keeps an internal current limit if the pin is left open."
      },
      {
        "number": "2",
        "name": "SET",
        "type": "input",
        "description": "This is the error amplifier's noninverting input, with a fixed 50µA current source flowing out of it, and a single external resistor sets VOUT over the range 0V to 34.5V."
      },
      {
        "number": "3",
        "name": "IMON",
        "type": "output",
        "description": "This pin sources a current typically equal to ILOAD/5000 (200µA per amp) and its output is valid from VOUT + 0.4V to VOUT - 40V; connect it to OUT if unused."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "power_out",
        "description": "This is the power output of the device, which requires a 5mA minimum load current for proper regulation; the tab is internally tied to this pin and must be tied directly to OUT at the PCB."
      },
      {
        "number": "5",
        "name": "TEMP",
        "type": "output",
        "description": "This pin delivers a current of 1µA/°C for temperatures above 5°C (typically 25µA at 25°C), valid for voltages from VOUT + 0.4V to VOUT - 40V; connect it to OUT if unused."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "power_in",
        "description": "This pin supplies power to the regulator, and its voltage must be between the dropout voltage and 36V above the OUT pin, depending on output load current."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin with no connection to internal circuitry; it may be tied to IN, OUT, GND or left floating."
      },
      {
        "number": "8",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
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        "at": "2026-11-02T17:05:36"
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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "TO-263-7",
      "Category": "Power Management ICs",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "1-4/Pins 1-5, 8, 9, 16/Pin 4/Pin 4) at the PCB. The amount of copper area and planes connected to OUT determine",
        "page": 10,
        "doc": "ds.pdf",
        "material": "copper"
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    "characteristics": {
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      "source": "datasheet",
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      "rows": [
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          "name": "SET Pin Current",
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          "kind": "electrical",
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          "min": 49.5,
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          "max": 50.5,
          "conditions": "VIN = 2V, ILOAD = 5mA",
          "source_page": 3,
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          "max": 1.5,
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          "source_page": 3,
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          "typ": 0,
          "max": 3.5,
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          "name": "Minimum Load Current",
          "symbol": "",
          "kind": "electrical",
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          "typ": 1.1,
          "max": 5,
          "conditions": "2V ≤ VIN ≤ 36V, full operating temperature range",
          "source_page": 3,
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          "name": "Dropout Voltage",
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          "unit": "V",
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          "max": 1.5,
          "conditions": "ILOAD = 1.5A, full operating temperature range",
          "source_page": 3,
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          "name": "Internal Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 1.5,
          "typ": null,
          "max": 2,
          "conditions": "VIN = 5V, VSET = 0V, VOUT = -0.1V, full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ILIM Programming Ratio",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA/kΩ",
          "min": 300,
          "typ": 360,
          "max": 500,
          "conditions": "full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IMON Full-Scale Output Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": 290,
          "typ": 300,
          "max": 330,
          "conditions": "ILOAD = 1.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "TEMP Output Current Absolute Error",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0°C < TJ ≤ 125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 75,
          "typ": 90,
          "max": null,
          "conditions": "VRIPPLE = 0.5VP-P, ILOAD = 0.1A, CSET = 0.1µF, COUT = 10µF, VIN = VOUT(NOMINAL) + 3V, f = 120Hz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "IN Pin to OUT Pin Differential Voltage",
          "symbol": "VIN-VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "SET Pin Current",
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          "unit": "mA",
          "min": -25,
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          "conditions": "Note 6",
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        {
          "name": "SET Pin Voltage relative to OUT",
          "symbol": "VSET-VOUT",
          "kind": "absolute_maximum",
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          "conditions": "Note 6",
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        {
          "name": "TEMP Pin Voltage relative to OUT",
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        {
          "name": "ILIM Pin Voltage relative to OUT",
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          "min": -0.2,
          "typ": null,
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        {
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          "name": "Lead Temperature (Soldering)",
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          "conditions": "10 sec, FE, R, T7 packages only",
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          "name": "Maximum Junction Temperature (R package)",
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          "name": "Thermal Resistance Junction-to-Ambient (R package)",
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          "kind": "thermal",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "R package (DD-Pak)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 34.5,
          "conditions": "programmed by single SET resistor",
          "source_page": 10,
          "source": "datasheet"
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        {
          "name": "Input Voltage Range",
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          "kind": "recommended_operating",
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          "min": 1.2,
          "typ": null,
          "max": 36,
          "conditions": "",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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