LT3580EMS8E#TRPBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "lt3580ems8e-trpbf",
  "title": "LT3580EMS8E#TRPBF",
  "brief": "Analog Devices DC-DC Converters, MSOP-8-EP. 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 (pmic)",
    "lt3580ems8e#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LT3580EMS8E#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906305629536256",
    "parts": {
      "symbol": "lt3580ems8e-trpbf.kicad_sym",
      "footprint": "lt3580ems8e-trpbf.kicad_mod",
      "model_3d": "lt3580ems8e-trpbf-hero.glb",
      "model_3d_plain": "lt3580ems8e-trpbf-etched.glb",
      "model_3d_step": "lt3580ems8e-trpbf-etched.step",
      "model_3d_step_plain": "lt3580ems8e-trpbf.step",
      "lbr": "lt3580ems8e-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C580102",
      "digikey": "505-LT3580EMS8E#TRPBFTR-ND",
      "mouser": "584-LT3580EMS8ETRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:02:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT3580EMS8E#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3580EMS8ETRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Positive and negative feedback pin; the feedback resistor from VOUT to FB sets the output, using the 1.215V reference for boost/SEPIC and 5mV for inverting configurations, with an absolute maximum of -0.3V to 2.5V."
      },
      {
        "number": "2",
        "name": "VC",
        "type": "passive",
        "description": "Error amplifier output pin to which the external compensation network is tied, with an absolute maximum range of -0.3V to 2V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin that must be locally bypassed; operating range is 2.5V to 32V with an absolute maximum of -0.3V to 32V."
      },
      {
        "number": "4",
        "name": "SW",
        "type": "output",
        "description": "Switch pin, the collector of the internal NPN power switch; minimize the metal trace area connected to it to minimize EMI, with an absolute maximum of -0.4V to 42V."
      },
      {
        "number": "5",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown pin with UVLO function that must not float: drive below 1.24V (LT3580E, LT3580I) or 1.22V (LT3580H, LT3580MP) to disable the chip, and above 1.38V (LT3580E, LT3580I) or 1.40V (LT3580H, LT3580MP) to enable it and restart soft-start; absolute maximum is 32V."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor pin; a resistor from this pin to ground sets the fixed free-running switching frequency, the pin must not float, and its absolute maximum is 5V."
      },
      {
        "number": "7",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin where the soft-start capacitor is placed; it is charged through a nominal 275k resistor to about 2.2V, with an absolute maximum of 2.5V."
      },
      {
        "number": "8",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronization input for an external clock, where the high level must exceed 1.3V and the low level must be below 0.4V; driving it below 0.4V reverts to the internal free-running clock, with an absolute maximum of 5.5V."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground on the exposed pad, which must be soldered directly to the local ground plane."
      }
    ],
    "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 MS8E pin numbering (1 to 8 plus exposed pad 9) is taken from the MS8E top view on page 2 and the; ERC types are inferred from the datasheet's pin descriptions rather than stated explicitly: FB, SHDN"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0582,
        "at": "2026-10-18T05:57:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906305629536256",
        "pages": 28,
        "sha256": "f12b3fa212ceb5f3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt3580ems8e-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.96
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "43252be3beac8fd30ca9bfeb82a613fa01d5dffff9b22810c13a4655daafb5ee",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3580ems8e-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.96
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c0a1482dc4464c4eaa9d23f2063eff9d5294c231be782ef8192ae4821e98bf40",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "MSOP-8-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "appearance": {
      "contacts": {
        "quote": "into the system ground plane at the C3 ground terminal. The cut ground copper at D1’s cathode is essential to",
        "page": 16,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "f12b3fa212ceb5f348205baa1fbe08a3d6f9628c3f5b819474ef950c19df9914"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f12b3fa212ceb5f348205baa1fbe08a3d6f9628c3f5b819474ef950c19df9914",
      "rows": [
        {
          "name": "Operating Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive Feedback Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.195,
          "typ": 1.215,
          "max": 1.23,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative Feedback Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 0,
          "typ": 5,
          "max": 12,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive FB Pin Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": 81,
          "typ": 83.3,
          "max": 85,
          "conditions": "VFB = Positive Feedback Voltage, Current Into Pin",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative FB Pin Bias Current (LT3580E)",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": 81,
          "typ": 83.3,
          "max": 85.5,
          "conditions": "VFB = Negative Feedback Voltage, Current Out of Pin",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "VSHDN = 2.5V, Not Switching",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current in Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": 0,
          "typ": null,
          "max": 1,
          "conditions": "VSHDN = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.05,
          "conditions": "2.5V ≤ VIN ≤ 32V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency fOSC (E grade)",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.8,
          "typ": 2,
          "max": 2.2,
          "conditions": "RT = 45.3k",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency fOSC (E grade)",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 180,
          "typ": 200,
          "max": 220,
          "conditions": "RT = 464k",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency Set Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": 200,
          "typ": null,
          "max": 2500,
          "conditions": "SYNCing or Free Running",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SYNC High Level for Synchronization",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SYNC Low Level for Synchronization",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SYNC Clock Pulse Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 35,
          "typ": null,
          "max": 65,
          "conditions": "VSYNC = 0V to 2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Current Limit, Minimum Duty Cycle (E grade)",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 2.2,
          "typ": 2.5,
          "max": 2.8,
          "conditions": "Minimum Duty Cycle (Note 3)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Current Limit, Maximum Duty Cycle (E grade)",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 1.6,
          "typ": 1.9,
          "max": 2.6,
          "conditions": "Maximum Duty Cycle (Notes 3, 4)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Charging Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": 4,
          "typ": 6,
          "max": 8,
          "conditions": "VSS = 0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Minimum Input Voltage High, Rising (E grade)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.27,
          "typ": 1.32,
          "max": 1.38,
          "conditions": "Active Mode, SHDN Rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Minimum Input Voltage High, Falling (E grade)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.24,
          "typ": 1.29,
          "max": 1.33,
          "conditions": "Active Mode, SHDN Falling",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Input Voltage Low",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "Shutdown Mode",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": 9.7,
          "typ": 11.6,
          "max": 13.4,
          "conditions": "VSHDN = 3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": 40,
          "typ": null,
          "max": 60,
          "conditions": "VSHDN = 1.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": 0,
          "typ": null,
          "max": 0.1,
          "conditions": "VSHDN = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VSW = 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 42,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RT Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SS and FB Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VC Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SHDN Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SYNC Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (LT3580E)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Notes 2, 5",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (MS8E MSOP, exposed pad)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": 35,
          "typ": null,
          "max": 40,
          "conditions": "8-lead MSOP exposed pad package, printed as 35°C/W to 40°C/W",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lt3580ems8e#trpbf"
  ],
  "discovery_pitch": "LT3580EMS8E#TRPBF (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt3580ems8e-trpbf.kicad_sym",
    "lt3580ems8e-trpbf.kicad_mod",
    "lt3580ems8e-trpbf.glb",
    "lt3580ems8e-trpbf.step",
    "lt3580ems8e-trpbf.lbr",
    "docs/hero.png",
    "docs/lt3580ems8e-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3580ems8e-trpbf-hero.glb",
    "lt3580ems8e-trpbf-hero.overlay.json",
    "lt3580ems8e-trpbf-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}