LT3071EUFD#PBF

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  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Linear Voltage Regulators (LDO), QFN-28-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management ics",
    "lt3071eufd#pbf",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LT3071EUFD#PBF",
    "manufacturer": "Analog Devices",
    "package": "QFN-28-EP(4x5)",
    "pin_count": 29,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/lt3071.pdf",
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    "distributor_links": {
      "lcsc": "C117304",
      "digikey": "505-LT3071EUFD#PBF-ND",
      "mouser": "584-LT3071EUFD#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:33:51Z",
      "source": "Component Ocean /api/assign-pns",
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        "pn": "505-LT3071EUFD#PBF-ND",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VIOC",
        "type": "output",
        "description": "Output of the tracking function that drives the buck regulator to hold the LT3071 input at VOUT + 300mV, to maximize efficiency and minimize power dissipation."
      },
      {
        "number": "2",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain NMOS power-good output that pulls low on VOUT below 90% of nominal on rising edge, VOUT below 85% for more than 25µs, junction above about 145°C, VBIAS below UVLO, or OUT-to-IN reverse current."
      },
      {
        "number": "3",
        "name": "REF/BYP",
        "type": "output",
        "description": "Output of the bandgap reference with approximately 19kΩ impedance that must not be externally loaded; a 10nF bypass to GND decreases output noise and provides reference soft-start."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply to the high current pass transistor; all IN pins must be tied together and bypassed with at least 47µF."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply to the high current pass transistor; all IN pins must be tied together and bypassed with at least 47µF."
      },
      {
        "number": "7",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply to the high current pass transistor; all IN pins must be tied together and bypassed with at least 47µF."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply to the high current pass transistor; all IN pins must be tied together and bypassed with at least 47µF."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "15",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output supplying the load; all OUT pins must be tied together and a minimum 15µF ceramic output capacitance is required for stability."
      },
      {
        "number": "16",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output supplying the load; all OUT pins must be tied together and a minimum 15µF ceramic output capacitance is required for stability."
      },
      {
        "number": "17",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output supplying the load; all OUT pins must be tied together and a minimum 15µF ceramic output capacitance is required for stability."
      },
      {
        "number": "18",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output supplying the load; all OUT pins must be tied together and a minimum 15µF ceramic output capacitance is required for stability."
      },
      {
        "number": "19",
        "name": "SENSE",
        "type": "input",
        "description": "Kelvin sense input to the inverting input of the error amplifier, with input current from 50µA typical at VOUT = 0.8V to 300µA typical at VOUT = 1.8V."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "21",
        "name": "IMON",
        "type": "output",
        "description": "Output current monitor sourcing a current typically equal to IOUT/2500 (400µA per amp of output current); if unused, tie to VBIAS."
      },
      {
        "number": "22",
        "name": "MARGA",
        "type": "input",
        "description": "Analog margining input that adjusts VOUT over ±10%: GND gives −10%, 1.2V gives +10%; float it or terminate with 1nF to GND if unused."
      },
      {
        "number": "23",
        "name": "VO0",
        "type": "input",
        "description": "Three-state output voltage select pin that combines with VO1 and VO2 to select VOUT from 0.8V to 1.8V in 50mV steps; logic low threshold is below 250mV."
      },
      {
        "number": "24",
        "name": "VO1",
        "type": "input",
        "description": "Three-state output voltage select pin that combines with VO0 and VO2 to select VOUT from 0.8V to 1.8V in 50mV steps; VOUT is limited to 1.8V maximum by internal override when VO2 is high."
      },
      {
        "number": "25",
        "name": "VO2",
        "type": "input",
        "description": "Three-state output voltage select pin that combines with VO0 and VO1 to select VOUT from 0.8V to 1.8V in 50mV steps; logic high threshold is above VBIAS − 250mV."
      },
      {
        "number": "26",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be tied to exposed pad Pin 29 and the other GND pins for proper electrical and thermal performance."
      },
      {
        "number": "27",
        "name": "BIAS",
        "type": "power_in",
        "description": "Bias supply for internal control circuitry and pass transistor drive, requiring 2.2V ≤ VBIAS ≤ 3.6V and VBIAS ≥ (1.25 • VOUT + 1V) with at least 2.2µF bypass."
      },
      {
        "number": "28",
        "name": "EN",
        "type": "input",
        "description": "Enable input that turns the output device on or off; pulling low places the LT3071 in a low power nap mode, and it must connect to BIAS if unused."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad ground that must be soldered to the PCB ground and tied to all GND pins of the package for electrical and thermal performance."
      }
    ],
    "provenance": {
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        "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": [],
        "pages_sent": 10,
        "cost_usd": 0.0302,
        "at": "2026-10-28T16:33:27"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/lt3071.pdf",
        "pages": 30,
        "sha256": "ba06f950eb009d95",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
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