LTC3780EG#TRPBF

{
  "slug": "ltc3780eg-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, SSOP-24-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ltc3780eg#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc3780eg-trpbf.kicad_sym",
    "ltc3780eg-trpbf.kicad_mod",
    "ltc3780eg-trpbf.glb",
    "ltc3780eg-trpbf.step",
    "ltc3780eg-trpbf.lbr",
    "docs/hero.png",
    "docs/ltc3780eg-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc3780eg-trpbf-hero.glb",
    "ltc3780eg-trpbf-hero.overlay.json",
    "ltc3780eg-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC3780EG#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "SSOP-24-208mil",
    "pin_count": 24,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884681806778368",
    "parts": {
      "symbol": "ltc3780eg-trpbf.kicad_sym",
      "footprint": "ltc3780eg-trpbf.kicad_mod",
      "model_3d": "ltc3780eg-trpbf-hero.glb",
      "model_3d_plain": "ltc3780eg-trpbf-etched.glb",
      "model_3d_step": "ltc3780eg-trpbf-etched.step",
      "model_3d_step_plain": "ltc3780eg-trpbf.step",
      "lbr": "ltc3780eg-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C462631",
      "digikey": "LTC3780EG#TRPBFTR-ND",
      "mouser": "584-LTC3780EG#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:18:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LTC3780EG#TRPBFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "584-LTC3780EG#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain logic output that is pulled to ground when the output voltage is not within ±7.5% of the regulation point."
      },
      {
        "number": "2",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin that gradually raises the controller current limit; a minimum of 6.8nF is recommended on this pin and it must not be driven above 6V."
      },
      {
        "number": "3",
        "name": "SENSE+",
        "type": "input",
        "description": "(+) input to the current sense and reverse current detect comparators, where the ITH voltage and built-in offsets with RSENSE set the current trip threshold."
      },
      {
        "number": "4",
        "name": "SENSE–",
        "type": "input",
        "description": "(-) input to the current sense and reverse current detect comparators."
      },
      {
        "number": "5",
        "name": "ITH",
        "type": "passive",
        "description": "Current control threshold and error amplifier compensation point; the voltage ranges from 0V to 2.4V."
      },
      {
        "number": "6",
        "name": "VOSENSE",
        "type": "input",
        "description": "Error amplifier feedback input that connects to an external resistor divider from VOUT; the absolute maximum voltage is 2.4V."
      },
      {
        "number": "7",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground for small-signal and compensation components, to be connected to PGND at a single point; the QFN exposed pad must be soldered to PCB ground."
      },
      {
        "number": "8",
        "name": "RUN",
        "type": "input",
        "description": "Run control input; forcing it below 1.5V shuts down the switching regulator circuitry, and it must not be driven above 6V."
      },
      {
        "number": "9",
        "name": "FCB",
        "type": "input",
        "description": "Forced continuous control input; below 0.8V selects forced continuous mode, floating selects Burst Mode (boost) or skip-cycle (buck), and tying to INTVCC selects constant-frequency discontinuous mode."
      },
      {
        "number": "10",
        "name": "PLLFLTR",
        "type": "input",
        "description": "Phase-locked loop lowpass filter connection, which can alternatively be driven with an AC or DC voltage to vary the oscillator frequency; absolute maximum voltage is 2.7V."
      },
      {
        "number": "11",
        "name": "PLLIN",
        "type": "input",
        "description": "External synchronization input to the phase detector, internally terminated to SGND with 50kΩ; absolute maximum voltage is 5.5V."
      },
      {
        "number": "12",
        "name": "STBYMD",
        "type": "input",
        "description": "LDO control pin; pulling it to ground holds SS low to prevent start-up, and a voltage above 1.25V keeps the internal regulator (INTVCC) on when the controller is shut down."
      },
      {
        "number": "13",
        "name": "BOOST2",
        "type": "power_out",
        "description": "Boosted floating driver supply for the bootstrap capacitor CB; swings from a diode voltage below INTVCC up to VIN + INTVCC."
      },
      {
        "number": "14",
        "name": "TG2",
        "type": "output",
        "description": "Top gate drive for the top N-channel MOSFET of switch pair 2, with a swing of INTVCC superimposed on the SW2 node voltage."
      },
      {
        "number": "15",
        "name": "SW2",
        "type": "passive",
        "description": "Switch node (negative terminal of CB); swings from an external Schottky diode voltage drop below ground up to VIN."
      },
      {
        "number": "16",
        "name": "BG2",
        "type": "output",
        "description": "Bottom gate drive for the bottom N-channel MOSFET, driven between ground and INTVCC."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; connect closely to the source of the bottom N-channel MOSFET and to the negative terminals of CVCC and CIN."
      },
      {
        "number": "18",
        "name": "BG1",
        "type": "output",
        "description": "Bottom gate drive for the bottom N-channel MOSFET of switch pair 1, driven between ground and INTVCC."
      },
      {
        "number": "19",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal 6V regulator output that powers the driver and control circuits; bypass with a minimum of 4.7µF low-ESR capacitor, with a peak output current of 40mA maximum."
      },
      {
        "number": "20",
        "name": "EXTVCC",
        "type": "power_in",
        "description": "External VCC input that connects to INTVCC once above 5.7V; do not exceed 7V and ensure EXTVCC < VIN."
      },
      {
        "number": "21",
        "name": "VIN",
        "type": "power_in",
        "description": "Main input supply, bypassed to SGND with an RC filter (1Ω, 0.1µF); the absolute maximum input voltage is 36V."
      },
      {
        "number": "22",
        "name": "SW1",
        "type": "passive",
        "description": "Switch node (negative terminal of CA); swings from an external Schottky diode voltage drop below ground up to VOUT."
      },
      {
        "number": "23",
        "name": "TG1",
        "type": "output",
        "description": "Top gate drive for the top N-channel MOSFET of switch pair 1, with a swing of INTVCC superimposed on the SW1 node voltage."
      },
      {
        "number": "24",
        "name": "BOOST1",
        "type": "power_out",
        "description": "Boosted floating driver supply for the bootstrap capacitor CA; swings from a diode voltage below INTVCC up to VOUT + INTVCC."
      }
    ],
    "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 page 2 TOP VIEW pin-name list for the SSOP is in a different order on the right side (e.g., it p; The package hint 'SSOP-24-208mil' is not stated in this datasheet. It only says '24-Lead Plastic SSO; The datasheet pages provided do not include a headline electrical-spec field in this schema, so no s"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0955,
        "at": "2026-10-18T07:15:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884681806778368",
        "pages": 30,
        "sha256": "5f0df822e83495d3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ltc3780eg-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          8.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77dd0a1fc7e70e9eda1bfde9dde937dc6e391803cff9978790523c850c85a21d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc3780eg-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          8.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "951ee7f66b62cf61c8213d8cc607acd189508c0b76541d80024e4aef85ced044",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}