LT3724EFE#TRPBF

{
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  "type": "component",
  "slug": "lt3724efe-trpbf",
  "title": "LT3724EFE#TRPBF",
  "brief": "Analog Devices DC-DC Converters, TSSOP-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",
  "tags": [
    "component",
    "power management (pmic)",
    "lt3724efe#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LT3724EFE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "TSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905053818535936",
    "parts": {
      "symbol": "lt3724efe-trpbf.kicad_sym",
      "footprint": "lt3724efe-trpbf.kicad_mod",
      "model_3d": "lt3724efe-trpbf-hero.glb",
      "model_3d_plain": "lt3724efe-trpbf-etched.glb",
      "model_3d_step": "lt3724efe-trpbf-etched.step",
      "model_3d_step_plain": "lt3724efe-trpbf.step",
      "lbr": "lt3724efe-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C671315",
      "digikey": "LT3724EFE#TRPBFTR-ND",
      "mouser": "584-LT3724EFE#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T10:22:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3724EFE#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3724EFE#TRPBF",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "The VIN pin is the main supply pin and should be decoupled to SGND with a low ESR capacitor located close to the pin, with an operating input range of 4V to 60V."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connection."
      },
      {
        "number": "3",
        "name": "SHDN",
        "type": "input",
        "description": "The SHDN pin has a precision enable threshold of 1.35V (rising) with 120mV of hysteresis for UVLO implementation, and pulling it below a VBE (0.7V) puts the part into a low current shutdown mode with VIN supply current reduced to approximately 10µA."
      },
      {
        "number": "4",
        "name": "CSS",
        "type": "passive",
        "description": "The soft-start pin is connected to VOUT via a ceramic capacitor and 200kΩ series resistor, controlling output slew to a 2µA average current through the soft-start capacitor, and shorting it to SGND disables soft-start."
      },
      {
        "number": "5",
        "name": "BURST_EN",
        "type": "input",
        "description": "The BURST_EN pin enables Burst Mode operation when connected to ground and disables it when connected to VCC."
      },
      {
        "number": "6",
        "name": "VFB",
        "type": "input",
        "description": "The VFB pin is the output voltage feedback input, externally connected to the supply output through a resistive divider, and regulates to 1.231V at the inverting input of the error amplifier."
      },
      {
        "number": "7",
        "name": "VC",
        "type": "passive",
        "description": "The VC pin is the error amplifier output that sets peak switch current and is normally compensated with an RC network to SGND, and it cannot be pulled low with a low impedance source (drive it only through a 1kΩ series resistance if externally manipulated)."
      },
      {
        "number": "8",
        "name": "SGND",
        "type": "power_in",
        "description": "The SGND pin is the low noise ground reference and should be connected to the -VOUT side of the output capacitors, with high currents kept away from this connection."
      },
      {
        "number": "9",
        "name": "SENSE–",
        "type": "input",
        "description": "The SENSE- pin is the negative input of the current sense amplifier, connected to the VOUT side of the sense resistor in step-down applications, with the inductor current limit set to 150mV across the SENSE inputs."
      },
      {
        "number": "10",
        "name": "SENSE+",
        "type": "input",
        "description": "The SENSE+ pin is the positive input of the current sense amplifier, connected to the inductor side of the sense resistor in step-down applications, with the current limit set to 150mV across the SENSE inputs."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "The PGND pin is the high-current ground reference for the internal low side switch and VCC regulator and should connect directly to the negative terminal of the VCC decoupling capacitor."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_out",
        "description": "The VCC pin is the internal bias supply node decoupled with a low ESR 1µF ceramic capacitor to PGND, regulated to 8.3V typical and able to be back driven from an external supply to improve efficiency."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connection."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "passive",
        "description": "The SW pin connects to the external Schottky clamp diode cathode, the power MOSFET source and the inductor, swinging from VIN during the on-time to a Schottky drop below ground during the off-time."
      },
      {
        "number": "15",
        "name": "TG",
        "type": "output",
        "description": "The TG pin is the bootstrapped gate drive for the top N-channel MOSFET and should be connected to the MOSFET gate with a short, wide PCB trace to minimize inductance."
      },
      {
        "number": "16",
        "name": "BOOST",
        "type": "passive",
        "description": "The BOOST pin supplies the bootstrapped gate drive and connects to a low ESR ceramic boost capacitor referenced to SW, with a maximum voltage of VIN + VCC ground referred."
      },
      {
        "number": "17",
        "name": "SGND",
        "type": "power_in",
        "description": "The exposed pad is internally connected to the SGND pin and must be soldered to the PCB ground for electrical contact and optimal thermal performance."
      }
    ],
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins 2 and 13 are both marked NC (No Connection) in the datasheet and are listed as unconnected.; The datasheet gives no KiCad electrical type for these pins; the types assigned (passive or output) ; VCC is described as an internal bias supply node that can also be back-driven externally; power_out "
        ],
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        "cost_usd": 0.0638,
        "at": "2026-10-20T10:22:35"
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      "datasheet": {
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        "pages": 26,
        "sha256": "e8d21eb29decddb8",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "centre_offset_mm": 0,
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        "checked": "2026-10-20",
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    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "TSSOP-16-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
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    "characteristics": {
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          "name": "VIN Operating Voltage Range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Minimum Start Voltage",
          "symbol": "",
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          "unit": "V",
          "min": 7.5,
          "typ": null,
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        {
          "name": "UVLO Threshold (Falling)",
          "symbol": "",
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          "unit": "V",
          "min": 3.65,
          "typ": 3.8,
          "max": 3.95,
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          "name": "VIN Supply Current",
          "symbol": "IVIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VCC > 9V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VIN Burst Mode Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VBURST_EN = 0V, VFB = 1.35V",
          "source_page": 2,
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        },
        {
          "name": "VIN Shutdown Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "conditions": "VSHDN = 0V",
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        {
          "name": "BOOST Supply Current",
          "symbol": "IBOOST",
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          "unit": "mA",
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        {
          "name": "BOOST Burst Mode Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VBURST_EN = 0V",
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        },
        {
          "name": "BOOST Shutdown Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VSHDN = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VFB Error Amp Reference Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.224,
          "typ": 1.231,
          "max": 1.238,
          "conditions": "Measured at VFB pin",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback Input Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Enable Threshold (Rising)",
          "symbol": "VSHDN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": 1.35,
          "max": 1.4,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SHDN Threshold Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "VSENSE Common Mode Range",
          "symbol": "VSENSE",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit Sense Voltage",
          "symbol": "VSENSE+ – VSENSE–",
          "kind": "electrical",
          "unit": "mV",
          "min": 140,
          "typ": 150,
          "max": 175,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Soft-Start Disable Voltage",
          "symbol": "VFB(SS)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.185,
          "max": null,
          "conditions": "VFB rising",
          "source_page": 3,
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        },
        {
          "name": "Soft-Start Disable Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Soft-Start Capacitor Control Current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Error Amp Transconductance",
          "symbol": "gm",
          "kind": "electrical",
          "unit": "µmhos",
          "min": 275,
          "typ": 340,
          "max": 400,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Error Amp Sink/Source Current",
          "symbol": "IVC",
          "kind": "electrical",
          "unit": "µA",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (LT3724E)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "LT3724E",
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        {
          "name": "Input Supply Voltage (VIN)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 65,
          "conditions": "",
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        {
          "name": "Boosted Supply Voltage (BOOST)",
          "symbol": "BOOST",
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          "min": -0.3,
          "typ": null,
          "max": 80,
          "conditions": "",
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        {
          "name": "Switch Voltage (SW)",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 65,
          "conditions": "",
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        {
          "name": "Differential Boost Voltage (BOOST to SW)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 24,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Bias Supply Voltage (VCC)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 24,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "SENSE+ and SENSE– Voltages",
          "symbol": "SENSE+, SENSE-",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "SENSE+ to SENSE– Differential Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
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        {
          "name": "BURST_EN Voltage",
          "symbol": "BURST_EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 24,
          "conditions": "",
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        {
          "name": "VC, VFB, CSS, and SHDN Voltages",
          "symbol": "VC, VFB, CSS, SHDN",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
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          "name": "CSS and SHDN Pin Currents",
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          "typ": null,
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          "conditions": "",
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          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
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          "conditions": "10 sec",
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJMAX",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Junction-to-Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
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          "max": null,
          "conditions": "",
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        },
        {
          "name": "Junction-to-Case Thermal Resistance",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
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