LT3430EFE#TRPBF

{
  "slug": "lt3430efe-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, TSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lt3430efe#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt3430efe-trpbf.kicad_sym",
    "lt3430efe-trpbf.kicad_mod",
    "lt3430efe-trpbf.glb",
    "lt3430efe-trpbf.step",
    "lt3430efe-trpbf.lbr",
    "docs/hero.png",
    "docs/lt3430efe-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3430efe-trpbf-hero.glb",
    "lt3430efe-trpbf-hero.overlay.json",
    "lt3430efe-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT3430EFE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "TSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908435115560960",
    "parts": {
      "symbol": "lt3430efe-trpbf.kicad_sym",
      "footprint": "lt3430efe-trpbf.kicad_mod",
      "model_3d": "lt3430efe-trpbf-hero.glb",
      "model_3d_plain": "lt3430efe-trpbf-etched.glb",
      "model_3d_step": "lt3430efe-trpbf-etched.step",
      "model_3d_step_plain": "lt3430efe-trpbf.step",
      "lbr": "lt3430efe-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C670535",
      "digikey": "LT3430EFE#TRPBFTR-ND",
      "mouser": "584-LT3430EFE#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T11:02:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3430EFE#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3430EFE#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground for the regulated output; keep the paths to load ground short, since load regulation suffers if the load ground is not at the GND pin voltage."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Emitter of the on-chip NPN power switch, driven up to the input pin voltage during switch on-time, with negative switch voltage clamped by the external catch diode to a maximum of -0.8V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Collector of the on-chip NPN power switch that also powers the internal control circuitry when no voltage is present on the BIAS pin; keep the path from VIN through the input capacitor and catch diode short."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Collector of the on-chip NPN power switch that also powers the internal control circuitry when no voltage is present on the BIAS pin; pins 3 and 4 are shorted together on the PCB."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Emitter of the on-chip NPN power switch, driven up to the input pin voltage during switch on-time, with negative switch voltage clamped by the external catch diode to a maximum of -0.8V."
      },
      {
        "number": "6",
        "name": "BOOST",
        "type": "power_in",
        "description": "Supplies a drive voltage higher than VIN to the internal NPN switch so it saturates; the boost capacitor and diode generate this voltage externally (absolute maximum BOOST pin voltage 68V, BOOST above SW 35V)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground for the regulated output; solder to a continuous copper ground plane under the die for thermal and electrical performance."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground for the regulated output; solder to a continuous copper ground plane under the die for thermal and electrical performance."
      },
      {
        "number": "10",
        "name": "BIAS",
        "type": "power_in",
        "description": "Connect to the regulated output (minimum output setting of 3V for this mode) so internal circuitry draws operating current from the output instead of VIN to improve efficiency."
      },
      {
        "number": "11",
        "name": "VC",
        "type": "passive",
        "description": "Error amplifier output and peak switch current comparator input used for compensation; it sits near 0.9V at light load and 2.1V at maximum load, can be driven to ground to shut off the regulator, and must be current-limited to 4mA if driven high."
      },
      {
        "number": "12",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that regulates to 1.22V through an external divider; below 0.6V it reduces switch current limit and disables SYNC, and below 0.8V it reduces switching frequency."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "14",
        "name": "SYNC",
        "type": "input",
        "description": "Logic-compatible input that synchronizes the internal oscillator, accepting 10% to 90% duty cycle signals in the range 228kHz to 700kHz for the LT3430 or 125kHz to 250kHz for the LT3430-1."
      },
      {
        "number": "15",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input with a 2.38V threshold that disables switching (acting as accurate UVLO) and a 0.4V threshold that forces micropower shutdown; it may be left open or forced high to no more than 6V."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground for the regulated output; solder to the continuous copper ground plane under the die to reduce thermal resistance."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad fused to the GND pins that must be soldered to the copper ground plane under the device to reduce thermal resistance."
      }
    ],
    "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 MPN LT3430EFE#TRPBF maps to the FE (16-lead plastic TSSOP with exposed pad) package, tape-and-re; Pin types for BOOST (power_in), BIAS (power_in) and VC (passive) are judgment calls mapped to KiCad ; The pinout uses the top-view pin numbering printed on page 2, which lists pins 1-8 on the left and 9"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0842,
        "at": "2026-10-20T11:01:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908435115560960",
        "pages": 28,
        "sha256": "9f1cac6b1eef7576",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt3430efe-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3430efe-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "209f4d5a0c11bcae5f63f82607761b3553c6c75e73b643350ac6b5ad0873558f",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}