LTC3548EDD#TRPBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "ltc3548edd-trpbf",
  "title": "LTC3548EDD#TRPBF",
  "brief": "Analog Devices DC-DC Converters, DFN-10-EP(3x3). 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)",
    "ltc3548edd#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LTC3548EDD#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917159615062016",
    "parts": {
      "symbol": "ltc3548edd-trpbf.kicad_sym",
      "footprint": "ltc3548edd-trpbf.kicad_mod",
      "model_3d": "ltc3548edd-trpbf-hero.glb",
      "model_3d_plain": "ltc3548edd-trpbf-etched.glb",
      "model_3d_step": "ltc3548edd-trpbf-etched.step",
      "model_3d_step_plain": "ltc3548edd-trpbf.step",
      "lbr": "ltc3548edd-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C684986"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T20:40:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VFB1",
        "type": "input",
        "description": "Receives the feedback voltage from the external resistive divider across output 1; the nominal voltage for this pin is 0.6V."
      },
      {
        "number": "2",
        "name": "RUN1",
        "type": "input",
        "description": "Regulator 1 enable: forcing this pin to VIN enables regulator 1 and forcing it to GND shuts it down, and it must be driven and not left floating."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Main power supply input with an operating voltage range of 2.5V to 5.5V, which must be closely decoupled to GND."
      },
      {
        "number": "4",
        "name": "SW1",
        "type": "output",
        "description": "Regulator 1 switch node connection to the inductor; this pin swings from VIN to GND."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that is not connected internally and should be connected to PCB ground for optimum shielding."
      },
      {
        "number": "6",
        "name": "MODE/SYNC",
        "type": "input",
        "description": "Mode selection and oscillator synchronization: tying it to VIN selects Burst Mode operation, tying it to GND selects pulse-skipping mode, it must not be left floating, and an external oscillator applied here synchronizes the frequency and automatically selects pulse-skipping mode."
      },
      {
        "number": "7",
        "name": "SW2",
        "type": "output",
        "description": "Regulator 2 switch node connection to the inductor; this pin swings from VIN to GND."
      },
      {
        "number": "8",
        "name": "POR",
        "type": "output",
        "description": "Power-On Reset common-drain logic output that is pulled to GND when the output falls below -8.5% of regulation and goes high after 117ms when both channels are within regulation."
      },
      {
        "number": "9",
        "name": "RUN2",
        "type": "input",
        "description": "Regulator 2 enable: forcing this pin to VIN enables regulator 2 and forcing it to GND shuts it down, and it must be driven and not left floating."
      },
      {
        "number": "10",
        "name": "VFB2",
        "type": "input",
        "description": "Receives the feedback voltage from the external resistive divider across output 2; the nominal voltage for this pin is 0.6V."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad power ground that must be connected to the (-) terminal of COUT and CIN and to electrical ground on the PCB."
      }
    ],
    "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": [
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        "at": "2026-10-18T20:40:06"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
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        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-18",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "DFN-10-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "11"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c2c75034252909bc7c6f80cf017a0df91b779e9ec0d1fc48e29dabc719d321a6",
      "rows": [
        {
          "name": "Operating Voltage Range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Feedback Pin Input Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.588,
          "typ": 0.6,
          "max": 0.612,
          "conditions": "0°C ≤ TA ≤ 85°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.585,
          "typ": 0.6,
          "max": 0.612,
          "conditions": "–40°C ≤ TA ≤ 85°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage Line Regulation",
          "symbol": "ΔVLINEREG",
          "kind": "electrical",
          "unit": "%V",
          "min": null,
          "typ": 0.3,
          "max": 0.5,
          "conditions": "VIN = 2.5V to 5.5V (Note 3)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input DC Supply Current, Active Mode",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 700,
          "max": 950,
          "conditions": "VFB1 = VFB2 = 0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input DC Supply Current, Sleep Mode",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 40,
          "max": 60,
          "conditions": "VFB1 = VFB2 = 0.63V, MODE/SYNC = 3.6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input DC Supply Current, Shutdown",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.8,
          "typ": 2.25,
          "max": 2.7,
          "conditions": "VFB = 0.6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Switch Current Limit Channel 1",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 0.95,
          "typ": 1.2,
          "max": 1.6,
          "conditions": "VIN = 3V, VFB = 0.5V, Duty Cycle <35%",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Switch Current Limit Channel 2",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 0.6,
          "typ": 0.7,
          "max": 0.9,
          "conditions": "VIN = 3V, VFB = 0.5V, Duty Cycle <35%",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Top Switch On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.35,
          "max": 0.45,
          "conditions": "(Note 6)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Bottom Switch On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.3,
          "max": 0.45,
          "conditions": "(Note 6)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Leakage Current",
          "symbol": "ISW(LKG)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VIN = 5V, VRUN = 0V, VFB = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-On Reset On-Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RUN Threshold",
          "symbol": "VRUN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 1,
          "max": 1.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RUN Leakage Current",
          "symbol": "IRUN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "MODE Mode Threshold Low",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (VIN Voltages)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VFB1, VFB2 Voltages",
          "symbol": "VFB1, VFB2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RUN1, RUN2 Voltages",
          "symbol": "RUN1, RUN2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "MODE/SYNC Voltage",
          "symbol": "MODE/SYNC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW1, SW2 Voltage",
          "symbol": "SW1, SW2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "POR Voltage",
          "symbol": "POR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Note 2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "Note 5",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance (DD package)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "DD package; exposed pad soldered to 4-layer board",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Case Thermal Resistance (DD package)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "DD package",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "LTC3548EDD#TRPBF (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
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