LT3091IDE#PBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "lt3091ide-pbf",
  "title": "LT3091IDE#PBF",
  "brief": "Analog Devices Linear Voltage Regulators (LDO), DFN-14-EP(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "lt3091ide#pbf",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LT3091IDE#PBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-14-EP(3x4)",
    "pin_count": 15,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3091fa.pdf",
    "parts": {
      "symbol": "lt3091ide-pbf.kicad_sym",
      "footprint": "lt3091ide-pbf.kicad_mod",
      "model_3d": "lt3091ide-pbf-hero.glb",
      "model_3d_plain": "lt3091ide-pbf-etched.glb",
      "model_3d_step": "lt3091ide-pbf-etched.step",
      "model_3d_step_plain": "lt3091ide-pbf.step",
      "lbr": "lt3091ide-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C670458",
      "digikey": "505-LT3091IDE#PBF-ND",
      "mouser": "584-LT3091IDE#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T09:26:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT3091IDE#PBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3091IDE#PBF",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
      },
      {
        "number": "5",
        "name": "ILIM",
        "type": "passive",
        "description": "Current limit programming pin; an external resistor from ILIM to IN sets the limit with a nominal 20A•kΩ scale factor (±10% over temperature), tie to IN if unused, and do not drive more than 0.3V below IN."
      },
      {
        "number": "6",
        "name": "IMONP",
        "type": "output",
        "description": "Positive current monitor pin sourcing 1/4000 of output current into a resistor to GND; tie to IN for negative monitoring or if unused, and IN and IMONP must be at least 2V below IMONN."
      },
      {
        "number": "7",
        "name": "IMONN",
        "type": "output",
        "description": "Negative current monitor pin sinking 1/2000 of output current through a resistor to GND; bias at least 2V above IMONP for positive monitoring, and tie to GND if unused."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Bidirectional shutdown pin referenced to GND; output is off within ±0.45V of GND and on beyond ±1.4V, max current 7µA out (negative logic) or 30µA in (positive logic), do not float."
      },
      {
        "number": "9",
        "name": "SET",
        "type": "input",
        "description": "Error amplifier inverting input and regulation setpoint; 50µA fixed current flows into the pin and a resistor to GND programs VOUT from zero to -32V, with an optional bypass capacitor to GND."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin supplying quiescent current and pass transistor drive; can be tied to system ground, a positive voltage or OUT, and must not be driven more than 0.3V below IN."
      },
      {
        "number": "11",
        "name": "OUT",
        "type": "power_out",
        "description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
      },
      {
        "number": "12",
        "name": "OUT",
        "type": "power_out",
        "description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
      },
      {
        "number": "13",
        "name": "OUT",
        "type": "power_out",
        "description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
      },
      {
        "number": "14",
        "name": "OUT",
        "type": "power_out",
        "description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
      },
      {
        "number": "15",
        "name": "IN",
        "type": "power_in",
        "description": "Exposed pad is electrically connected to IN and the device substrate and must be soldered to the PCB and tied to the IN pins for electrical and thermal performance."
      }
    ],
    "provenance": {
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for ILIM, IMONP, IMONN and SET were chosen by judgment, since the datasheet does not give "
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        "cost_usd": 0.1545,
        "at": "2026-10-31T09:26:04"
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        "pages": 40,
        "sha256": "c70c3059ca9237a1",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 15,
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        "seat": "z = 0",
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          3.98,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "be5cff1a18ac6ffbe197561441c1546755e61de7ca02dcc6734fc20d3d6c79dd",
        "checked": "2026-10-31",
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    "package_dims": {
      "package_code": "DE14",
      "source_page": 35,
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
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      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "DFN-14-EP(3x4)",
      "Category": "Power Management ICs",
      "Pins": "15"
    },
    "appearance": {
      "contacts": {
        "quote": "Table 5. R Package, 7-Lead DD-Pak Package COPPER AREA BOARD AREA THERMAL",
        "page": 22,
        "doc": "ds.pdf",
        "material": "COPPER"
      },
      "version": 1,
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          "name": "Minimum IN Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -1.5,
          "max": -1.9,
          "conditions": "ILOAD = 500mA (full temp range max -1.9V)",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Minimum IN Voltage",
          "symbol": "",
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        {
          "name": "SET Pin Current",
          "symbol": "ISET",
          "kind": "electrical",
          "unit": "µA",
          "min": 49.5,
          "typ": 50,
          "max": 50.5,
          "conditions": "VIN = -1.9V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
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          "name": "SET Pin Current",
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          "unit": "µA",
          "min": 49,
          "typ": 50,
          "max": 51,
          "conditions": "-36V < VIN < -1.9V, 1mA < ILOAD < 1.5A (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Offset Voltage (VOUT - VSET)",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -1.2,
          "typ": null,
          "max": 1.2,
          "conditions": "VIN = -1.9V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Output Offset Voltage (VOUT - VSET)",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "-36V < VIN < -1.9V, 1mA < ILOAD < 1.5A (Note 5) (DFN, TSSOP)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation ∆VOS",
          "symbol": "∆VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.2,
          "max": 5,
          "conditions": "ILOAD = 1mA to 1.5A, VIN = -1.9V (Note 6)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Regulation ∆ISET/∆VSET",
          "symbol": "∆ISET/∆VSET",
          "kind": "electrical",
          "unit": "nA/V",
          "min": null,
          "typ": 0.2,
          "max": 2,
          "conditions": "VSET = 0V to -32V, VIN = -36V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Regulation ∆VOS/∆VSET",
          "symbol": "∆VOS/∆VSET",
          "kind": "electrical",
          "unit": "µV/V",
          "min": null,
          "typ": 2.5,
          "max": 40,
          "conditions": "VSET = 0V to -32V, VIN = -36V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Programmable Current Limit Scale Factor",
          "symbol": "",
          "kind": "electrical",
          "unit": "A•kΩ",
          "min": 1.35,
          "typ": 1.5,
          "max": 1.65,
          "conditions": "-36V < VIN < -1.9V, IOUT > 100mA (Note 14)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Positive Current Monitor scale factor",
          "symbol": "IMONP",
          "kind": "electrical",
          "unit": "µA",
          "min": 338,
          "typ": null,
          "max": 412,
          "conditions": "IOUT = 1.5A, VIN = -2.5V, VIMONN = 2V, VIMONP = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Negative Current Monitor scale factor",
          "symbol": "IMONN",
          "kind": "electrical",
          "unit": "µA",
          "min": 675,
          "typ": null,
          "max": 825,
          "conditions": "IOUT = 1.5A, VIN = -2.5V, VIMONN = 0V, VIMONP = -2.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum Required Load Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "-36V < VIN < -1.9V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Positive SHDN Turn-ON Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.14,
          "typ": 1.23,
          "max": 1.32,
          "conditions": "Positive SHDN Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (I-Grade)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "I-Grade",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "IN Pin Voltage wrt GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": 0.3,
          "conditions": "Note 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "OUT Pin Voltage wrt GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -36,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SET Pin Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Note 9",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 27,
          "max": null,
          "conditions": "14-lead DFN",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5.5,
          "max": null,
          "conditions": "14-lead DFN",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": 360,
          "conditions": "ILOAD = 1.5A, DFN and TSSOP",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 40,
          "max": 80,
          "conditions": "ILOAD = 1.5A, VIN = VOUT(NOMINAL)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Internal Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 1600,
          "typ": 1900,
          "max": 2200,
          "conditions": "VIN = -1.9V, VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "LT3091IDE#PBF (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
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    "name": "Ray",
    "email": "[email protected]"
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