LT3506IDHD#TRPBF

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  "slug": "lt3506idhd-trpbf",
  "title": "LT3506IDHD#TRPBF",
  "brief": "Analog Devices DC-DC Converters, DFN-16-EP(4x5). 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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    "power management (pmic)",
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  "component": {
    "mpn": "LT3506IDHD#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-16-EP(4x5)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589853412834635776",
    "parts": {
      "symbol": "lt3506idhd-trpbf.kicad_sym",
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      "lbr": "lt3506idhd-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C670814",
      "mouser": "584-LT3506IDHD#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:58:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
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      "mouser": {
        "pn": "584-LT3506IDHD#TRPBF",
        "status": "found",
        "lifecycle": "Restricted Availability"
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    },
    "pins": [
      {
        "number": "1",
        "name": "BOOST1",
        "type": "input",
        "description": "Provides a drive voltage above VIN to the internal NPN power switch 1, tied through a diode from VOUT or VIN; the BOOST pin voltage is rated to 50V maximum and the BOOST-to-SW voltage to 25V maximum."
      },
      {
        "number": "2",
        "name": "SW1",
        "type": "output",
        "description": "Output of internal power switch 1, connected to the inductor, catch diode and boost capacitor; the absolute maximum VIN rating of 25V applies to the switching node path."
      },
      {
        "number": "3",
        "name": "VIN1",
        "type": "power_in",
        "description": "Supplies current to the internal regulator and internal power switch 1, must be locally bypassed, and is rated -0.3V to 25V absolute maximum with a 3.6V to 25V operating input range."
      },
      {
        "number": "4",
        "name": "VIN1",
        "type": "power_in",
        "description": "Supplies current to the internal regulator and internal power switch 1, must be locally bypassed, and is rated -0.3V to 25V absolute maximum with a 3.6V to 25V operating input range."
      },
      {
        "number": "5",
        "name": "VIN2",
        "type": "power_in",
        "description": "Supplies current to internal power switch 2, must be locally bypassed, and should connect directly to VIN1 unless channel 2 is powered from a different source."
      },
      {
        "number": "6",
        "name": "VIN2",
        "type": "power_in",
        "description": "Supplies current to internal power switch 2, must be locally bypassed, and should connect directly to VIN1 unless channel 2 is powered from a different source."
      },
      {
        "number": "7",
        "name": "SW2",
        "type": "output",
        "description": "Output of internal power switch 2, connected to the inductor, catch diode and boost capacitor."
      },
      {
        "number": "8",
        "name": "BOOST2",
        "type": "input",
        "description": "Provides a drive voltage above VIN to the internal NPN power switch 2, tied through a diode from VOUT or VIN; the BOOST pin voltage is rated to 50V maximum and the BOOST-to-SW voltage to 25V maximum."
      },
      {
        "number": "9",
        "name": "FB2",
        "type": "input",
        "description": "Regulates to 800mV; connect the channel 2 feedback resistor divider tap to this pin."
      },
      {
        "number": "10",
        "name": "VC2",
        "type": "passive",
        "description": "Output of error amplifier 2 that sets peak switch current and is used for loop compensation; pull to ground with an open drain to shut down regulator 2, and the VC pins are rated to 5.5V maximum."
      },
      {
        "number": "11",
        "name": "PG2",
        "type": "output",
        "description": "Open-collector power good output for channel 2, low until FB2 is within 10% of its final regulation voltage; valid when VIN is above 3.4V and RUN/SS2 is high, and it may be left unconnected."
      },
      {
        "number": "12",
        "name": "RUN/SS2",
        "type": "input",
        "description": "Pull to ground with an open drain or collector to shut down regulator 2; a capacitor to ground provides soft-start, leave unconnected if unused, and the pin is rated to 5.5V maximum."
      },
      {
        "number": "13",
        "name": "RUN/SS1",
        "type": "input",
        "description": "Pull to ground with an open drain or collector to shut down regulator 1; a capacitor to ground provides soft-start, leave unconnected if unused, and the pin is rated to 5.5V maximum."
      },
      {
        "number": "14",
        "name": "PG1",
        "type": "output",
        "description": "Open-collector power good output for channel 1, low until FB1 is within 10% of its final regulation voltage; valid when VIN is above 3.4V and RUN/SS1 is high, and it may be left unconnected."
      },
      {
        "number": "15",
        "name": "VC1",
        "type": "passive",
        "description": "Output of error amplifier 1 that sets peak switch current and is used for loop compensation; pull to ground with an open drain to shut down regulator 1, and the VC pins are rated to 5.5V maximum."
      },
      {
        "number": "16",
        "name": "FB1",
        "type": "input",
        "description": "Regulates to 800mV; connect the channel 1 feedback resistor divider tap to this pin."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad provides electrical ground and thermal contact to the PCB and must be soldered to the board for proper operation."
      }
    ],
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        "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: Package hint says DFN-16-EP(4x5), but the datasheet calls the DHD package a 16-lead 5mm x 4mm plasti; The TOP VIEW figure text in the excerpt is not in a clean left/right order, so pin numbering was tak; Pin types for BOOST, VC, PG and RUN/SS are inferred from their described function (open-drain/open-c"
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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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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "DFN-16-EP(4x5)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    },
    "characteristics": {
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          "name": "Feedback Voltage (DHD package)",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "mV",
          "min": 792,
          "typ": 800,
          "max": 808,
          "conditions": "–40°C to 85°C, DHD",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency (LT3506)",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 500,
          "typ": 575,
          "max": 650,
          "conditions": "LT3506",
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          "name": "DC Maximum Duty Cycle (LT3506)",
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        },
        {
          "name": "Undervoltage Lockout",
          "symbol": "VIN(MIN)",
          "kind": "electrical",
          "unit": "V",
          "min": 3.4,
          "typ": null,
          "max": 3.6,
          "conditions": "l (full operating temperature range)",
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        {
          "name": "Quiescent Current",
          "symbol": "IINQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.8,
          "max": 4.8,
          "conditions": "Not Switching",
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        {
          "name": "Shutdown Current",
          "symbol": "IINSD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 30,
          "max": 45,
          "conditions": "VRUNSS = 0V",
          "source_page": 3,
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        {
          "name": "FB Pin Bias Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 40,
          "max": 100,
          "conditions": "VFB = 800mV, VC = 0.4V",
          "source_page": 3,
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        {
          "name": "Minimum Boost Voltage Above Switch",
          "symbol": "VBOOST(MIN)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": 2.5,
          "conditions": "ISW = 1A",
          "source_page": 3,
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        },
        {
          "name": "BOOST Pin Current",
          "symbol": "IBOOST",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 20,
          "max": 30,
          "conditions": "ISW = 1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RUN/SS Threshold",
          "symbol": "VRUN/SS(THRESH)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PG Voltage Output Low",
          "symbol": "VPG(LOW)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.22,
          "max": 0.4,
          "conditions": "VFB = 640mV, IPG = 250μA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PG Pin Leakage",
          "symbol": "ILPG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VPG = 2V",
          "source_page": 3,
          "source": "datasheet"
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          "name": "VIN Voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 25,
          "conditions": "",
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        },
        {
          "name": "BOOST Pin Above SW Pin",
          "symbol": "VBOOST-VSW",
          "kind": "absolute_maximum",
          "unit": "V",
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          "max": 25,
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        {
          "name": "PG Pin Voltage",
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          "typ": null,
          "max": 25,
          "conditions": "",
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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          "max": 125,
          "conditions": "",
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        {
          "name": "Storage Temperature Range",
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          "unit": "°C",
          "min": -65,
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          "conditions": "",
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        {
          "name": "Operating Temperature Range (I Grade)",
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          "kind": "recommended_operating",
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          "min": -40,
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          "conditions": "I Grade (Note 2)",
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          "name": "Input Voltage Range",
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          "unit": "V",
          "min": 3.6,
          "typ": null,
          "max": 25,
          "conditions": "Wide input voltage range (Features)",
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        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43,
          "max": null,
          "conditions": "DHD package",
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        {
          "name": "Thermal Resistance, Junction-to-Case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 4.3,
          "max": null,
          "conditions": "DHD package",
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