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Ray Set visibility: public f248b9f 7d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lt1054cs8-trpbf",
  "title": "LT1054CS8#TRPBF",
  "brief": "Analog Devices DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "lt1054cs8#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": [
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        "file": "lt1054cs8-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 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": [
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          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 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"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SO-8",
      "Category": "Power Management ICs",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE (1.143 – 1.651) OR TIN PLATE LEADS",
        "page": 13,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "26492c6df46bb8c51f56598f748a154039d285a35ea6e0b3e377108c3643a548"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "26492c6df46bb8c51f56598f748a154039d285a35ea6e0b3e377108c3643a548",
      "rows": [
        {
          "name": "Supply Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.5,
          "max": 4,
          "conditions": "ILOAD = 0mA, LT1054: VIN = 3.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 5,
          "conditions": "ILOAD = 0mA, LT1054: VIN = 15V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 15,
          "conditions": "LT1054",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage Loss (VIN – |VOUT|)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.35,
          "max": 0.55,
          "conditions": "CIN = COUT = 100µF Tantalum, IOUT = 10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage Loss (VIN – |VOUT|)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": 1.6,
          "conditions": "CIN = COUT = 100µF Tantalum, IOUT = 100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 10,
          "max": 15,
          "conditions": "ΔIOUT = 10mA to 100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": 15,
          "typ": 25,
          "max": 40,
          "conditions": "LT1054: 3.5V ≤ VIN ≤ 15V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.35,
          "typ": 2.5,
          "max": 2.65,
          "conditions": "IREF = 60µA, TJ = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.25,
          "typ": null,
          "max": 2.75,
          "conditions": "IREF = 60µA, full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Regulated Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": -4.7,
          "typ": -5,
          "max": -5.2,
          "conditions": "VIN = 7V, TJ = 25°C, RL = 500Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 25,
          "conditions": "LT1054: 7V ≤ VIN ≤ 12V, RL = 500Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "VIN = 7V, 100Ω ≤ 500Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Switch Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "VPIN1 = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "LT1054",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "LT1054C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "LT1054C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "J8, N8 and S8 Packages",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 sec)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Pin 1",
          "symbol": "VPIN1",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "0V ≤ VPIN1 ≤ V+",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Pin 7",
          "symbol": "VPIN7",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "0V ≤ VPIN7 ≤ VREF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "S8 package",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lt1054cs8#trpbf"
  ],
  "discovery_pitch": "LT1054CS8#TRPBF (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}