LT1054CS8#TRPBF

{
  "slug": "lt1054cs8-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lt1054cs8#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt1054cs8-trpbf.kicad_sym",
    "lt1054cs8-trpbf.kicad_mod",
    "lt1054cs8-trpbf.glb",
    "lt1054cs8-trpbf.step",
    "lt1054cs8-trpbf.lbr",
    "docs/hero.png",
    "docs/lt1054cs8-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt1054cs8-trpbf-hero.glb",
    "lt1054cs8-trpbf-hero.overlay.json",
    "lt1054cs8-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT1054CS8#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT1054-1054L.pdf",
    "parts": {
      "symbol": "lt1054cs8-trpbf.kicad_sym",
      "footprint": "lt1054cs8-trpbf.kicad_mod",
      "model_3d": "lt1054cs8-trpbf-hero.glb",
      "model_3d_plain": "lt1054cs8-trpbf-etched.glb",
      "model_3d_step": "lt1054cs8-trpbf-etched.step",
      "model_3d_step_plain": "lt1054cs8-trpbf.step",
      "lbr": "lt1054cs8-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C661564",
      "digikey": "LT1054CS8#TRPBFTR-ND",
      "mouser": "584-LT1054CS8#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T18:42:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT1054CS8#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT1054CS8#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB/SHDN",
        "type": "input",
        "description": "Feedback input (inverting input of the error amplifier) for setting a regulated output, and pulling it below the ≈0.45V shutdown threshold shuts the device down (supply current in shutdown ≈100µA typ, 200µA max)."
      },
      {
        "number": "2",
        "name": "CAP+",
        "type": "passive",
        "description": "Positive side of the input capacitor CIN, alternately driven between V+ and ground."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, the reference for VIN and VOUT; VOUT (pin 5) must not be pulled positive with respect to it."
      },
      {
        "number": "4",
        "name": "CAP–",
        "type": "passive",
        "description": "Negative side of the input capacitor CIN, alternately driven between ground and VOUT."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Negative output pin, also tied to the device substrate, so it must not be pulled positive with respect to any other pin or the device may fail to start."
      },
      {
        "number": "6",
        "name": "VREF",
        "type": "power_out",
        "description": "2.5V reference output (2.35V to 2.65V at 25°C) for regulator circuits, with output current limited to approximately 60µA."
      },
      {
        "number": "7",
        "name": "OSC",
        "type": "bidirectional",
        "description": "Oscillator pin (nominal 25kHz, internal Ct ≈150pF) used to lower or raise the switching frequency or synchronize to an external clock, with input range 0V to VREF."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Input supply pin, 3.5V to 15V for the LT1054 (absolute maximum 16V), with a minimum bypass capacitor of 2µF recommended."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The S8 package uses a different die than the other packages, and the datasheet gives application dif; Pin types for CAP+, CAP– and OSC are my own choices (passive, passive, bidirectional). The datasheet"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1802,
        "at": "2026-10-31T18:41:53"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT1054-1054L.pdf",
        "pages": 16,
        "sha256": "26492c6df46bb8c5",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt1054cs8-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt1054cs8-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "25cc2ac4d66c0f0f3752b2cb4d127ad8f8a81227dd18459cb60c3e2c07033415",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "S8",
      "source_page": 14,
      "D": {
        "nom_mm": 4.902,
        "range_mm": [
          4.801,
          5.004
        ]
      },
      "E1": {
        "nom_mm": 3.899,
        "range_mm": [
          3.81,
          3.988
        ]
      },
      "E": {
        "nom_mm": 5.994,
        "range_mm": [
          5.791,
          6.198
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.549,
        "range_mm": [
          1.346,
          1.753
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lt1054cs8-trpbf.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}