LT3980EDE#TRPBF

{
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  "type": "component",
  "slug": "lt3980ede-trpbf",
  "title": "LT3980EDE#TRPBF",
  "brief": "Analog Devices DC-DC Converters, 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": [
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    "power management ics",
    "lt3980ede#trpbf",
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  "component": {
    "mpn": "LT3980EDE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-14-EP(3x4)",
    "pin_count": 15,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3980fa.pdf",
    "parts": {
      "symbol": "lt3980ede-trpbf.kicad_sym",
      "footprint": "lt3980ede-trpbf.kicad_mod",
      "model_3d": "lt3980ede-trpbf-hero.glb",
      "model_3d_plain": "lt3980ede-trpbf-etched.glb",
      "model_3d_step": "lt3980ede-trpbf-etched.step",
      "model_3d_step_plain": "lt3980ede-trpbf.step",
      "lbr": "lt3980ede-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C671846",
      "digikey": "LT3980EDE#TRPBFTR-ND",
      "mouser": "584-LT3980EDE#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T01:16:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3980EDE#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3980EDE#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SYNC",
        "type": "input",
        "description": "External clock synchronization input: ground for low-ripple Burst Mode operation at low loads, tie above 0.8V for pulse-skipping mode, tie to a clock source (edges faster than 1µs) to synchronize, or tie to GND if not used."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; not connected to internal circuitry."
      },
      {
        "number": "3",
        "name": "PG",
        "type": "output",
        "description": "Open-collector power good output of an internal comparator that stays low until FB is within 9% of the final regulation voltage; valid when VIN is above 3.6V and RUN/SS is high."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "The LT3980 regulates this pin to 0.790V; connect the feedback resistor divider tap to it."
      },
      {
        "number": "5",
        "name": "VC",
        "type": "passive",
        "description": "Output of the internal error amplifier that sets the peak switch current; an RC network from this pin to ground compensates the control loop."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "input",
        "description": "Oscillator resistor input; a resistor connected from this pin to ground sets the switching frequency."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the exposed pad must be soldered to the PCB."
      },
      {
        "number": "8",
        "name": "RUN/SS",
        "type": "input",
        "description": "Shutdown and soft-start pin: tie to ground to shut down, tie to 2.5V or more for normal operation, and tie to VIN if shutdown is unused; an RC network sets the soft-start ramp."
      },
      {
        "number": "9",
        "name": "BD",
        "type": "power_in",
        "description": "Anode of the boost Schottky diode that also supplies current to the internal regulator; if connected to an external voltage higher than 3V, bias power is drawn from that source."
      },
      {
        "number": "10",
        "name": "BOOST",
        "type": "passive",
        "description": "Provides a drive voltage higher than the input voltage to the internal bipolar NPN power switch."
      },
      {
        "number": "11",
        "name": "SW",
        "type": "output",
        "description": "Output of the internal power switch; connect to the inductor, catch diode and boost capacitor."
      },
      {
        "number": "12",
        "name": "VIN",
        "type": "power_in",
        "description": "Supplies current to the internal regulator and the internal power switch; this pin must be locally bypassed."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; not connected to internal circuitry."
      },
      {
        "number": "14",
        "name": "DA",
        "type": "input",
        "description": "Measures catch diode current and pauses the oscillator during overcurrent conditions."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad; ground that must be soldered to the PCB."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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": [
          "extractor flagged: The DE14 pin-configuration drawing is flattened in the extracted text, so pin-to-name order was infe; The datasheet gives no explicit electrical type for each pin; KiCad types were assigned from the fun; The datasheet covers the LT3980E, I and H grades in a 14-lead DFN; the order table lists LT3980EDE#T"
        ],
        "pages_sent": 9,
        "cost_usd": 0.068,
        "at": "2026-10-29T01:16:40"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3980fa.pdf",
        "pages": 24,
        "sha256": "bcc31647a3beb11a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "checked": "2026-10-29",
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    "package_dims": {
      "package_code": "DE14 (DFN 0806 REV B)",
      "source_page": 21,
      "D": {
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "DFN-14-EP(3x4)",
      "Category": "Power Management ICs",
      "Pins": "15"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "VIN and RUN/SS pin voltage (absolute maximum)",
          "symbol": "VIN, VRUN/SS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "Note 5: 80V non-repetitive 1 minute transient; 60V continuous operation",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "FB, RT, VC voltage (absolute maximum)",
          "symbol": "VFB, VRT, VVC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
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        },
        {
          "name": "PG, BD, SYNC voltage (absolute maximum)",
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          "kind": "absolute_maximum",
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        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range (LT3980E)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "LT3980E grade",
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          "source": "datasheet"
        },
        {
          "name": "Minimum input voltage",
          "symbol": "VIN(MIN)",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": null,
          "max": null,
          "conditions": "Full operating temperature range (●)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VIN overvoltage lockout",
          "symbol": "VIN(OVLO)",
          "kind": "electrical",
          "unit": "V",
          "min": 58,
          "typ": 61.5,
          "max": 64,
          "conditions": "Full operating temperature range (●)",
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        {
          "name": "Quiescent current from VIN, not switching",
          "symbol": "IQ(VIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": 20,
          "typ": 35,
          "max": 60,
          "conditions": "VBD = 3V, Not Switching",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current from VIN, not switching",
          "symbol": "IQ(VIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": 70,
          "typ": 120,
          "max": 160,
          "conditions": "VBD = 0, Not Switching",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current from VIN, shutdown",
          "symbol": "IQ(VIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 0.5,
          "conditions": "VRUN/SS = 0.2V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current from BD, shutdown",
          "symbol": "IQ(BD)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VRUN/SS = 0.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current from BD, not switching",
          "symbol": "IQ(BD)",
          "kind": "electrical",
          "unit": "µA",
          "min": 55,
          "typ": 82,
          "max": 115,
          "conditions": "VBD = 3V, Not Switching",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current from BD, not switching",
          "symbol": "IQ(BD)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.5,
          "max": 5,
          "conditions": "VBD = 0, Not Switching",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "mV",
          "min": 782,
          "typ": 790,
          "max": 798,
          "conditions": "Full operating temperature range (●), first printed row",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "mV",
          "min": 770,
          "typ": 790,
          "max": 805,
          "conditions": "Full operating temperature range (●), second printed row",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB pin bias current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 40,
          "conditions": "VFB = 0.8V, VC = 1.2V (●)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB voltage line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.002,
          "max": 0.01,
          "conditions": "4V < VIN < 56V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum switch off-time",
          "symbol": "tOFF(MIN)",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 140,
          "max": 230,
          "conditions": "Full operating temperature range (●)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.95,
          "typ": 2.25,
          "max": 2.55,
          "conditions": "RT = 8.66k",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.86,
          "typ": 1.07,
          "max": 1.27,
          "conditions": "RT = 29.4k",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 195,
          "typ": 225,
          "max": 255,
          "conditions": "RT = 187k",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 3.3,
          "typ": 4,
          "max": 4.9,
          "conditions": "Duty Cycle = 5%",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DA pin current to pause oscillator",
          "symbol": "IDA",
          "kind": "electrical",
          "unit": "A",
          "min": 1.9,
          "typ": 2.4,
          "max": 3,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Boost Schottky reverse leakage",
          "symbol": "IR(BD)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.02,
          "max": 2,
          "conditions": "VBD = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum boost voltage",
          "symbol": "VBOOST(MIN)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.7,
          "max": 2.2,
          "conditions": "Note 4; Full operating temperature range (●)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BOOST pin current",
          "symbol": "IBOOST",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 40,
          "max": 55,
          "conditions": "ISW = 2A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RUN/SS pin current",
          "symbol": "IRUN/SS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "VRUN/SS = 2.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RUN/SS input voltage high",
          "symbol": "VRUN/SS(HIGH)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "",
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        {
          "name": "RUN/SS input voltage low",
          "symbol": "VRUN/SS(LOW)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "Full operating temperature range (●)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PG threshold offset from feedback voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 65,
          "max": 80,
          "conditions": "VFB rising (●)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PG leakage",
          "symbol": "IPG",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VPG = 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PG sink current",
          "symbol": "IPG(SINK)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 200,
          "max": 700,
          "conditions": "VPG = 0.4V (●)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SYNC threshold",
          "symbol": "VSYNC(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.575,
          "typ": 0.675,
          "max": 0.775,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "Exposed pad (pin 15) must be soldered to PCB",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Exposed pad (pin 15) must be soldered to PCB",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Error amp transconductance",
          "symbol": "gm",
          "kind": "electrical",
          "unit": "µmho",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Error amp gain",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 1800,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VC source current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "VC sink current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VC pin to switch current gain",
          "symbol": "",
          "kind": "electrical",
          "unit": "A/V",
          "min": null,
          "typ": 3.87,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VC clamp voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PG hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 14,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch VCESAT",
          "symbol": "VCESAT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 540,
          "max": null,
          "conditions": "ISW = 2A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SYNC pin bias current",
          "symbol": "ISYNC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VSYNC = 0V",
          "source_page": 3,
          "source": "datasheet"
        }
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    "email": "[email protected]"
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