LTC3601EMSE#TRPBF

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  "slug": "ltc3601emse-trpbf",
  "title": "LTC3601EMSE#TRPBF",
  "brief": "Analog Devices DC-DC Converters, MSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "mpn": "LTC3601EMSE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3601fc.pdf",
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    "distributor_links": {
      "lcsc": "C685150",
      "digikey": "LTC3601EMSE#TRPBFTR-ND",
      "mouser": "584-LTC3601EMSETRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:38:42Z",
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      "mouser": {
        "pn": "584-LTC3601EMSETRPBF",
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    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switch node output pin connected to the SW side of the external inductor, with a normal voltage swing from ground to PVIN."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switch node output pin connected to the SW side of the external inductor, with a normal voltage swing from ground to PVIN."
      },
      {
        "number": "3",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin to which the negative terminals of the input bypass and output capacitors should be tied with a low impedance connection."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin to which the negative terminals of the input bypass and output capacitors should be tied with a low impedance connection."
      },
      {
        "number": "5",
        "name": "BOOST",
        "type": "power_out",
        "description": "Boosted floating driver supply pin whose normal swing ranges from a diode drop below INTVCC up to PVIN plus INTVCC, with the bootstrap capacitor connected between it and SW."
      },
      {
        "number": "6",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal 3.3V regulator output that should be decoupled to PGND with a low ESR ceramic capacitor of 1µF or more."
      },
      {
        "number": "7",
        "name": "VON",
        "type": "input",
        "description": "On-time voltage input that sets the on-time comparator trip point, making on-time proportional to VOUT when VOUT is 6V or less, with a normal pin impedance of 180kΩ."
      },
      {
        "number": "8",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator frequency program pin where an external resistor between 80k and 400k to SGND sets switching from 800kHz to 4MHz, defaulting to 2MHz when tied to INTVCC."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback input to the error amplifier, which compares the feedback voltage to the internal 0.6V reference."
      },
      {
        "number": "10",
        "name": "ITH",
        "type": "passive",
        "description": "Error amplifier output and switching regulator compensation pin, which should be connected to INTVCC to use the default internal compensation."
      },
      {
        "number": "11",
        "name": "TRACK",
        "type": "input",
        "description": "Output voltage tracking and soft-start input where forcing a voltage below 0.6V overrides the internal reference, with an internal 1.4µA pull-up current from INTVCC."
      },
      {
        "number": "12",
        "name": "RUN",
        "type": "input",
        "description": "Regulator enable pin where a voltage above 1.25V enables operation and a voltage below 1V places the part in shutdown, and it must not be left floating."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Main power supply input pin, operating from 4V to 15V, that should be closely decoupled to PGND with a low ESR capacitor of 10µF or more."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Main power supply input pin, operating from 4V to 15V, that should be closely decoupled to PGND with a low ESR capacitor of 10µF or more."
      },
      {
        "number": "15",
        "name": "MODE/SYNC",
        "type": "input",
        "description": "Mode selection and external synchronization input that forces forced continuous operation when tied to ground and enables Burst Mode operation when floated or tied to INTVCC."
      },
      {
        "number": "16",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good output that is pulled to ground when the FB voltage is not within 8% (typical) of the internal 0.6V reference."
      },
      {
        "number": "17",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground exposed pad that must be soldered to the PCB for good thermal and electrical contact, with the feedback network, compensation network and RT resistor connected to this ground."
      }
    ],
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        "at": "2026-10-28T15:38:22"
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      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3601fc.pdf",
        "pages": 26,
        "sha256": "d75d60bef13e484c",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "MSOP-16-EP",
      "Category": "Power Management ICs",
      "Pins": "17"
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    "characteristics": {
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          "name": "Input Supply Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 15,
          "conditions": "",
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        },
        {
          "name": "Input DC Supply Current, Forced Continuous Operation",
          "symbol": "IQ",
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          "name": "Feedback Reference Voltage",
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        {
          "name": "Reference Voltage Line Regulation",
          "symbol": "ΔVLINEREG",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
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        {
          "name": "Output Voltage Load Regulation",
          "symbol": "ΔVLOADREG",
          "kind": "electrical",
          "unit": "%",
          "min": null,
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          "conditions": "ITH = 0.6V to 1.6V",
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        {
          "name": "Feedback Pin Input Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "VFB = 0.6V",
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        },
        {
          "name": "Error Amplifier Transconductance",
          "symbol": "gm(EA)",
          "kind": "electrical",
          "unit": "mS",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "ITH = 1.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Off-Time",
          "symbol": "tOFF(MIN)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 60,
          "conditions": "VIN = 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Valley Switch Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 1.7,
          "typ": 2.2,
          "max": 2.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.4,
          "typ": 2,
          "max": 2.6,
          "conditions": "VRT = INTVCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.7,
          "typ": 2,
          "max": 2.3,
          "conditions": "RRT = 160k",
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        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 3.4,
          "typ": 4,
          "max": 4.6,
          "conditions": "RRT = 80k",
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        },
        {
          "name": "VIN Overvoltage Lockout Threshold",
          "symbol": "VVIN-OV",
          "kind": "electrical",
          "unit": "V",
          "min": 16.8,
          "typ": 17.5,
          "max": 18,
          "conditions": "VIN Rising",
          "source_page": 3,
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        {
          "name": "VIN Overvoltage Lockout Threshold",
          "symbol": "VVIN-OV",
          "kind": "electrical",
          "unit": "V",
          "min": 15.8,
          "typ": 16.5,
          "max": 17,
          "conditions": "VIN Falling",
          "source_page": 3,
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        },
        {
          "name": "INTVCC Voltage",
          "symbol": "VINTVCC",
          "kind": "electrical",
          "unit": "V",
          "min": 3.15,
          "typ": 3.3,
          "max": 3.45,
          "conditions": "4V < VIN < 15V",
          "source_page": 3,
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        },
        {
          "name": "INTVCC Load Regulation",
          "symbol": "ΔINTVCC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "IINTVCC = 0mA to 20mA",
          "source_page": 3,
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        },
        {
          "name": "RUN Threshold",
          "symbol": "VRUN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.21,
          "typ": 1.25,
          "max": 1.29,
          "conditions": "RUN Rising",
          "source_page": 3,
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        {
          "name": "RUN Threshold",
          "symbol": "VRUN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.97,
          "typ": 1,
          "max": 1.03,
          "conditions": "RUN Falling",
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        },
        {
          "name": "RUN Leakage Current",
          "symbol": "IRUN(LKG)",
          "kind": "electrical",
          "unit": "µA",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VVIN = 15V",
          "source_page": 3,
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        {
          "name": "PGOOD Pull-Down Resistance",
          "symbol": "RPGOOD",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "10mA Load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Leakage Current",
          "symbol": "ISW(LKG)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VRUN = 0V",
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        {
          "name": "TRACK Pin Voltage",
          "symbol": "VFB_TRACK",
          "kind": "electrical",
          "unit": "V",
          "min": 0.28,
          "typ": 0.3,
          "max": 0.315,
          "conditions": "TRACK = 0.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "TRACK Pull-Up Current",
          "symbol": "ITRACK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "MODE Threshold Voltage VIH",
          "symbol": "VMODE/SYNC",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "MODE VIH",
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        {
          "name": "MODE Threshold Voltage VIL",
          "symbol": "VMODE/SYNC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "MODE VIL",
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        {
          "name": "SYNC Threshold Voltage VIH",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.95,
          "typ": null,
          "max": null,
          "conditions": "SYNC VIH",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "MODE Input Current",
          "symbol": "IMODE",
          "kind": "electrical",
          "unit": "µA",
          "min": -1.5,
          "typ": null,
          "max": null,
          "conditions": "MODE = 0V",
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          "name": "MODE Input Current",
          "symbol": "IMODE",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "MODE = INTVCC",
          "source_page": 3,
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        {
          "name": "Input Voltage (VIN) Absolute Maximum",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "VIN Transient Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
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          "name": "BOOST Voltage",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 18.6,
          "conditions": "",
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        {
          "name": "BOOST-SW Voltage",
          "symbol": "BOOST-SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
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          "name": "INTVCC Voltage",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
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        {
          "name": "PGOOD and VON Voltage",
          "symbol": "PGOOD, VON",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 16,
          "conditions": "",
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        {
          "name": "SW Source Current (DC)",
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          "unit": "A",
          "min": null,
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          "max": 2,
          "conditions": "",
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        },
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          "name": "Operating Junction Temperature Range",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 sec) MSOP",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "MSOP",
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Junction-to-Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 38,
          "max": null,
          "conditions": "MSE (MSOP) package",
          "source_page": 2,
          "source": "datasheet"
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