LT8302IS8E#PBF

{
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  "slug": "lt8302is8e-pbf",
  "title": "LT8302IS8E#PBF",
  "brief": "Analog Devices DC-DC Converters, SOIC-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",
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  "component": {
    "mpn": "LT8302IS8E#PBF",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT8302-8302-3.pdf",
    "parts": {
      "symbol": "lt8302is8e-pbf.kicad_sym",
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    "distributor_links": {
      "lcsc": "C673679",
      "digikey": "505-LT8302IS8E#PBF-ND",
      "mouser": "584-LT8302IS8E#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T16:52:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT8302IS8E#PBF-ND",
        "status": "found"
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      "mouser": {
        "pn": "584-LT8302IS8E#PBF",
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    },
    "pins": [
      {
        "number": "1",
        "name": "EN/UVLO",
        "type": "input",
        "description": "Pull below 0.3V to shut the part down, and use the accurate 1.214V threshold with a resistor divider from VIN for UVLO, with a 2.5µA hysteresis current; tie directly to VIN if unused."
      },
      {
        "number": "2",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal 3V linear regulator output supplied from VIN that must not be overdriven by an external supply and needs a minimum 1µF ceramic bypass to GND."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the 3V to 42V range that powers the internal circuitry and sets the RFB reference, and it should be locally bypassed to ground."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that connects to the same ground as the exposed pad and should be tied to the ground plane."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Drain of the internal 3.6A, 65V DMOS power switch, rated to 65V for transients, so trace area at this pin should be minimized to reduce EMI and voltage spikes."
      },
      {
        "number": "6",
        "name": "RFB",
        "type": "input",
        "description": "Connects the external feedback resistor to the transformer primary, with absolute limits of VIN - 0.5V to VIN and 200µA current into the pin."
      },
      {
        "number": "7",
        "name": "RREF",
        "type": "input",
        "description": "Ground-referred reference resistor pin, nominally 10k and allowed from 9.09k to 11.0k, with an absolute maximum of 4V."
      },
      {
        "number": "8",
        "name": "TC",
        "type": "output",
        "description": "Proportional-to-absolute-temperature output at 3.35mV/°K, equal to 1V at 25°C, used to estimate junction temperature and to compensate the output diode via a resistor to RREF, with an absolute maximum of 4V."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad connected to ground that must be soldered directly to the PCB ground plane for electrical and thermal contact."
      }
    ],
    "provenance": {
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        "factory": "2.0.0",
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        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers were mapped from the TOP VIEW text layout on page 2 (1-4 down the left side, 5-8 up the "
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        "at": "2026-11-02T16:52:24"
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      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT8302-8302-3.pdf",
        "pages": 26,
        "sha256": "08515683bcc0fb0a",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
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      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8-EP",
      "Category": "Power Management ICs",
      "Pins": "9"
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          "name": "VIN Voltage Range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 42,
          "conditions": "l: full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Quiescent Current, Sleep Mode",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.5,
          "max": 2,
          "conditions": "VEN/UVLO = 0.2V",
          "source_page": 3,
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        },
        {
          "name": "VIN Quiescent Current, Sleep Mode",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 53,
          "max": 106,
          "conditions": "VEN/UVLO = 1.1V, Sleep Mode (Switch Off)",
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          "source": "datasheet"
        },
        {
          "name": "VIN Quiescent Current, Active Mode",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 380,
          "conditions": "VEN/UVLO = 1.1V, Active Mode (Switch On)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN/UVLO Shutdown Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": null,
          "max": 0.75,
          "conditions": "For Lowest Off IQ",
          "source_page": 3,
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        },
        {
          "name": "EN/UVLO Enable Threshold Falling",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.178,
          "typ": 1.214,
          "max": 1.25,
          "conditions": "Falling (E, I, H, MP Grades)",
          "source_page": 3,
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        },
        {
          "name": "IHYS EN/UVLO Hysteresis Current",
          "symbol": "IHYS",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": 0,
          "max": 0.1,
          "conditions": "VEN/UVLO = 0.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IHYS EN/UVLO Hysteresis Current",
          "symbol": "IHYS",
          "kind": "electrical",
          "unit": "µA",
          "min": 2.3,
          "typ": 2.5,
          "max": 2.7,
          "conditions": "VEN/UVLO = 1.1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VINTVCC INTVCC Regulation Voltage",
          "symbol": "VINTVCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.85,
          "typ": 3,
          "max": 3.1,
          "conditions": "IINTVCC = 0mA to 10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IINTVCC INTVCC Current Limit",
          "symbol": "IINTVCC",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": 13,
          "max": 20,
          "conditions": "VINTVCC = 2.8V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "INTVCC UVLO Threshold Falling",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.39,
          "typ": 2.47,
          "max": 2.55,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "(RFB – VIN) Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "IRFB = 75µA to 125µA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "RREF Regulation Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.98,
          "typ": 1,
          "max": 1.02,
          "conditions": "l: full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "RREF Regulation Voltage Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": -0.01,
          "typ": 0,
          "max": 0.01,
          "conditions": "3V ≤ VIN ≤ 42V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "TC Pin Current (LT8302)",
          "symbol": "ITC",
          "kind": "electrical",
          "unit": "µA",
          "min": 12,
          "typ": 15,
          "max": 18,
          "conditions": "VTC = 1.2V (LT8302)",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "TC Pin Current",
          "symbol": "ITC",
          "kind": "electrical",
          "unit": "µA",
          "min": -200,
          "typ": null,
          "max": null,
          "conditions": "VTC = 0.8V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Switching Frequency",
          "symbol": "fMIN",
          "kind": "electrical",
          "unit": "kHz",
          "min": 11.3,
          "typ": 12,
          "max": 12.7,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Maximum Switch Current Limit",
          "symbol": "ISW(MAX)",
          "kind": "electrical",
          "unit": "A",
          "min": 3.6,
          "typ": 4.5,
          "max": 5.4,
          "conditions": "",
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        {
          "name": "Minimum Switch Current Limit",
          "symbol": "ISW(MIN)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.7,
          "typ": 0.87,
          "max": 1.04,
          "conditions": "",
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        },
        {
          "name": "Switch Leakage Current",
          "symbol": "ILKG",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "VSW = 65V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "SW Pin Voltage (transient rating)",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "Absolute maximum rating",
          "source_page": 2,
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        },
        {
          "name": "VIN Absolute Maximum",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 42,
          "conditions": "Absolute maximum rating",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Into RFB",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Absolute maximum rating",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "INTVCC, RREF, TC Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Absolute maximum rating",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (LT8302I)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "LT8302I",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "INTVCC UVLO Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 105,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VTC TC Pin Voltage",
          "symbol": "VTC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "EN/UVLO Enable Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 14,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Switch-On Time",
          "symbol": "tON(MIN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Switch-Off Time Backup Timer",
          "symbol": "tOFF(MAX)",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "Backup Timer",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "ISW = 1.5A",
          "source_page": 3,
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        },
        {
          "name": "Soft-Start Timer",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 11,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Thermal Resistance Junction-to-Ambient (S8E package)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 33,
          "max": null,
          "conditions": "8-Lead Plastic SO (S8E)",
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