LT3481EMSE#TRPBF

{
  "slug": "lt3481emse-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, MSOP-10-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lt3481emse#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "lt3481emse-trpbf.step",
    "lt3481emse-trpbf.lbr",
    "docs/hero.png",
    "docs/lt3481emse-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3481emse-trpbf-hero.glb",
    "lt3481emse-trpbf-hero.overlay.json",
    "lt3481emse-trpbf-etched.glb"
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  "component": {
    "mpn": "LT3481EMSE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-10-EP",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886283057287168",
    "parts": {
      "symbol": "lt3481emse-trpbf.kicad_sym",
      "footprint": "lt3481emse-trpbf.kicad_mod",
      "model_3d": "lt3481emse-trpbf-hero.glb",
      "model_3d_plain": "lt3481emse-trpbf-etched.glb",
      "model_3d_step": "lt3481emse-trpbf-etched.step",
      "model_3d_step_plain": "lt3481emse-trpbf.step",
      "lbr": "lt3481emse-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C461521",
      "digikey": "LT3481EMSE#TRPBFTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:25:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3481EMSE#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BD",
        "type": "passive",
        "description": "This pin connects to the anode of the internal boost Schottky diode, and the BD pin voltage is rated to a 30V maximum."
      },
      {
        "number": "2",
        "name": "BOOST",
        "type": "input",
        "description": "This pin provides a drive voltage higher than the input voltage to the internal NPN power switch, with a BOOST pin voltage maximum of 56V and a maximum of 30V above the SW pin."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "This pin is the output of the internal power switch and connects to the inductor, catch diode and boost capacitor."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "This pin supplies current to the internal regulator and power switch and must be locally bypassed, with a VIN maximum of 36V and a 3.6V to 34V operating range."
      },
      {
        "number": "5",
        "name": "RUN/SS",
        "type": "input",
        "description": "Tying this pin to ground shuts down the regulator, tying it to 2.3V or more enables normal operation, and it sets the soft-start ramp, with a RUN/SS voltage maximum of 36V."
      },
      {
        "number": "6",
        "name": "PG",
        "type": "output",
        "description": "This pin is the open-collector power good output that stays low until FB is within 10% of the final regulation voltage, with a PG voltage maximum of 30V."
      },
      {
        "number": "7",
        "name": "BIAS",
        "type": "power_in",
        "description": "This pin supplies current to the internal regulator and should be tied to the lowest available source above 3V (typically VOUT), with a BIAS voltage maximum of 30V."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "This pin is regulated to the 1.265V feedback reference and connects to the feedback resistor divider tap, with a FB voltage maximum of 5V."
      },
      {
        "number": "9",
        "name": "VC",
        "type": "passive",
        "description": "This pin is the output of the internal error amplifier that sets peak switch current, uses an RC network to ground for loop compensation, and has a 2V internal clamp voltage."
      },
      {
        "number": "10",
        "name": "RT",
        "type": "input",
        "description": "This oscillator resistor input sets the switching frequency when a resistor is connected from this pin to ground, with an RT voltage maximum of 5V."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "This exposed pad is ground and must be soldered to the PCB and connected to GND."
      }
    ],
    "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 MSE (MSOP) pin layout is printed as a TOP VIEW in the page 2 text, but the extracted text order ; The part ordering MPN LT3481EMSE#TRPBF maps to the 10-Lead Plastic MSOP (MSE) package, so the DD (3m; Pin types are assigned using KiCad ERC classes based on function, since the datasheet does not class"
        ],
        "pages_sent": 6,
        "cost_usd": 0.043,
        "at": "2026-10-18T10:23:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886283057287168",
        "pages": 24,
        "sha256": "10dc0fc8e1493dbf",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "checked": "2026-10-18",
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}