LT1961EMS8E#TRPBF

{
  "slug": "lt1961ems8e-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, MSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lt1961ems8e#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lt1961ems8e-trpbf.kicad_sym",
    "lt1961ems8e-trpbf.kicad_mod",
    "lt1961ems8e-trpbf.glb",
    "lt1961ems8e-trpbf.step",
    "lt1961ems8e-trpbf.lbr",
    "docs/hero.png",
    "docs/lt1961ems8e-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt1961ems8e-trpbf-hero.glb",
    "lt1961ems8e-trpbf-hero.overlay.json",
    "lt1961ems8e-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT1961EMS8E#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/1961fa.pdf",
    "parts": {
      "symbol": "lt1961ems8e-trpbf.kicad_sym",
      "footprint": "lt1961ems8e-trpbf.kicad_mod",
      "model_3d": "lt1961ems8e-trpbf-hero.glb",
      "model_3d_plain": "lt1961ems8e-trpbf-etched.glb",
      "model_3d_step": "lt1961ems8e-trpbf-etched.step",
      "model_3d_step_plain": "lt1961ems8e-trpbf.step",
      "lbr": "lt1961ems8e-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C579946",
      "digikey": "505-LT1961EMS8E#TRPBFTR-ND",
      "mouser": "584-LT1961EMS8ETRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:55:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT1961EMS8E#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT1961EMS8ETRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "This pin powers the internal circuitry and internal regulator, and the external bypass capacitor should be kept close to it."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "The switch pin is the collector of the on-chip 1.5A power NPN switch, which carries large currents, so its traces to the switching components should be kept as short as possible."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "This pin is the reference for the regulated output and should be shorted to GND pin 4 and the exposed pad on the PCB."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "This pin is the reference for the regulated output and should be shorted to GND pin 3 and the exposed pad on the PCB."
      },
      {
        "number": "5",
        "name": "SHDN",
        "type": "input",
        "description": "The shutdown pin turns the regulator off using a 1.35V threshold, reducing input drain current to a few microamperes, and must be floated or pulled high to operate."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "The feedback pin sets the output voltage through an external divider that generates 1.2V at the pin, and an impedance below 5kΩ is needed for current-limit foldback during startup when FB is below 0.5V."
      },
      {
        "number": "7",
        "name": "VC",
        "type": "passive",
        "description": "The VC pin is the error amplifier output used for frequency compensation, sitting at about 0.3V for very light loads and 0.9V at maximum load."
      },
      {
        "number": "8",
        "name": "SYNC",
        "type": "input",
        "description": "The sync pin synchronizes the internal oscillator to an external logic signal with a 20% to 80% duty cycle over a range up to 2MHz, and should be grounded when not in use."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 LT1961EMS8E#TRPBF is the tape-and-reel lead-free variant of the 8-lead MS8E MSOP with expose"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0286,
        "at": "2026-10-30T22:55:12"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/1961fa.pdf",
        "pages": 16,
        "sha256": "81fb93bdc39714ee",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "43252be3beac8fd30ca9bfeb82a613fa01d5dffff9b22810c13a4655daafb5ee",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt1961ems8e-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "sha256": "b59c10fc1075d6ec65b73a551082ae1bf8ea647d6f830a9c12c75b8e385606cc",
        "checked": "2026-10-30",
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  }
}