main
Ray Set visibility: public c926b98 1d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm3481qmmx",
  "title": "LM3481QMMX",
  "brief": "Texas Instruments DC-DC Converters, VSSOP-10-0.5mm. 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)",
    "lm3481qmmx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM3481QMMX",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-10-0.5mm",
    "pin_count": 10,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm3481-q1",
    "parts": {
      "symbol": "lm3481qmmx.kicad_sym",
      "footprint": "lm3481qmmx.kicad_mod",
      "model_3d": "lm3481qmmx-hero.glb",
      "model_3d_plain": "lm3481qmmx-etched.glb",
      "model_3d_step": "lm3481qmmx-etched.step",
      "model_3d_step_plain": "lm3481qmmx.step",
      "lbr": "lm3481qmmx.lbr"
    },
    "distributor_links": {
      "lcsc": "C477975"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T20:40:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ISEN",
        "type": "input",
        "description": "Current-sense input pin; the voltage developed across the external sense resistor is fed to this pin."
      },
      {
        "number": "2",
        "name": "UVLO",
        "type": "input",
        "description": "Undervoltage lockout pin; a resistor divider from VIN to ground sets the input voltage at which switching is enabled and the disable hysteresis, compared against the 1.43V internal reference."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation pin; a resistor and capacitor network connected to this pin provides compensation for the control loop."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin connected to the inverting input of the error amplifier; regulated at 1.275V typical with the output divider."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for the internal bias circuit reference; must be connected at a single point to PGND."
      },
      {
        "number": "6",
        "name": "FA/SYNC/SD",
        "type": "input",
        "description": "Frequency adjust, synchronization and shutdown pin; a resistor to ground sets the oscillator frequency, an external clock synchronizes it, and a high level held above 30µs shuts down the device."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the external power circuit reference; must be connected at a single point to AGND."
      },
      {
        "number": "8",
        "name": "DR",
        "type": "output",
        "description": "Gate driver output; the gate of the external MOSFET connects to this pin, with drive voltage up to 6V limited by the input voltage below 6V."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_out",
        "description": "Driver supply voltage pin; a bypass capacitor of 0.47µF to 4.7µF must connect from this pin to PGND and external biasing must be avoided."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input pin; operating supply range is 2.97V to 48V with an absolute maximum of 50V."
      }
    ],
    "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": [],
        "pages_sent": 31,
        "cost_usd": 0.0323,
        "at": "2026-11-05T20:40:21"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm3481-q1",
        "pages": 40,
        "sha256": "4201766373ec1862",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm3481qmmx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b8f88eac3ce221c2ccb0b5048f9ad49c2ef4af148f8ae50c4e232e357683f547",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm3481qmmx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ae7e0ce19574f6f46a7acba034a2d6160440198b7fa1e41bfdc697e64c99e2c",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-10-0.5mm",
      "Category": "Power Management (PMIC)",
      "Pins": "10"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4201766373ec186213cf1109f75e32c3666c1ae869ff0aee254f70259b685d5f",
      "rows": [
        {
          "name": "VIN pin voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FA/SYNC/SD pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COMP pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "UVLO pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DR pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ISEN pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": -400,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Peak driver output current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 220,
          "conditions": "DGS package, soldering only",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Peak body temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "MSL1-260C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD human body model",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM per AEC Q100-002",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD charged device model, corner pins",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -750,
          "typ": null,
          "max": 750,
          "conditions": "CDM per AEC Q100-011, corner pins 1, 5, 6, 10",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD charged device model, other pins",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -750,
          "typ": null,
          "max": 750,
          "conditions": "CDM per AEC Q100-011, other pins",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.97,
          "typ": null,
          "max": 48,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": 100,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "tolerance",
          "unit": "V",
          "min": 1.256,
          "typ": null,
          "max": 1.294,
          "conditions": "VCOMP = 1.4V, 2.97V ≤ VIN ≤ 48V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage load regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "%/A",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "IEAO source/sink",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO reference voltage, falling",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.345,
          "typ": null,
          "max": 1.517,
          "conditions": "VUVLO falling, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO pull-up current, enabled",
          "symbol": "IUVLO",
          "kind": "electrical",
          "unit": "µA",
          "min": 3,
          "typ": null,
          "max": 6,
          "conditions": "enabled, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO shutdown voltage",
          "symbol": "VUVLOSD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.55,
          "typ": 0.7,
          "max": 0.82,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Nominal switching frequency",
          "symbol": "fnom",
          "kind": "electrical",
          "unit": "kHz",
          "min": 406,
          "typ": null,
          "max": 550,
          "conditions": "RFA = 40kΩ, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "Dmax",
          "kind": "electrical",
          "unit": "%",
          "min": 81,
          "typ": null,
          "max": 85,
          "conditions": "RFA = 40kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum on-time",
          "symbol": "tmin (on)",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
          "typ": null,
          "max": 363,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum on-time, worst case",
          "symbol": "tmin (on)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 571,
          "conditions": "worst case over full temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current (switching)",
          "symbol": "ISUPPLY",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "See note (2), –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VFA/SYNC/SD = 3V, VIN = 12V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VFA/SYNC/SD = 3V, VIN = 5V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current sense threshold voltage",
          "symbol": "VSENSE",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": null,
          "max": 190,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit current limit sense voltage",
          "symbol": "VSC",
          "kind": "electrical",
          "unit": "mV",
          "min": 157,
          "typ": null,
          "max": 275,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output overvoltage protection (relative to feedback)",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "mV",
          "min": 26,
          "typ": null,
          "max": 135,
          "conditions": "VCOMP = 1.4V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output overvoltage protection hysteresis",
          "symbol": "VOVP(HYS)",
          "kind": "electrical",
          "unit": "mV",
          "min": 28,
          "typ": null,
          "max": 106,
          "conditions": "VCOMP = 1.4V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier transconductance",
          "symbol": "Gm",
          "kind": "electrical",
          "unit": "µS",
          "min": 216,
          "typ": null,
          "max": 690,
          "conditions": "VCOMP = 1.4V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier voltage gain",
          "symbol": "AVOL",
          "kind": "electrical",
          "unit": "V/V",
          "min": 35,
          "typ": null,
          "max": 66,
          "conditions": "VCOMP = 1.4V, IEAO = 100µA (source/sink), –40°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier output current, source",
          "symbol": "IEAO",
          "kind": "electrical",
          "unit": "µA",
          "min": 475,
          "typ": null,
          "max": 837,
          "conditions": "VCOMP = 1.4V, VFB = 0V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier output current, sink",
          "symbol": "IEAO",
          "kind": "electrical",
          "unit": "µA",
          "min": 31,
          "typ": null,
          "max": 100,
          "conditions": "VCOMP = 1.4V, VFB = 1.4V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier output voltage swing, upper",
          "symbol": "VEAO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 2.93,
          "conditions": "VFB = 0V, COMP pin floating, –40°C ≤ TJ ≤ 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier output voltage swing, lower",
          "symbol": "VEAO",
          "kind": "electrical",
          "unit": "V",
          "min": 0.32,
          "typ": null,
          "max": 0.9,
          "conditions": "VFB = 1.4V, –40°C ≤ TJ ≤ 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Internal soft-start delay",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "ms",
          "min": 8.7,
          "typ": 15,
          "max": 21.3,
          "conditions": "VFB = 1.2V, COMP pin floating",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown threshold, output high (shutdown)",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.31,
          "conditions": "FA/SYNC/SD pin, output = high",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown threshold, output high (shutdown)",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.4,
          "conditions": "FA/SYNC/SD pin, output = high, –40°C ≤ TJ ≤ 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown threshold, output low (enabled)",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.68,
          "typ": null,
          "max": null,
          "conditions": "FA/SYNC/SD pin, output = low",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown threshold, output low (enabled)",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": null,
          "max": null,
          "conditions": "FA/SYNC/SD pin, output = low, –40°C ≤ TJ ≤ 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "FA/SYNC/SD pin, VSD = 5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "FA/SYNC/SD pin, VSD = 0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 151,
          "max": null,
          "conditions": "VSSOP 10-pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 65.6,
          "max": null,
          "conditions": "VSSOP 10-pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 83.5,
          "max": null,
          "conditions": "VSSOP 10-pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage line regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "2.97V ≤ VIN ≤ 48V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "tolerance",
          "unit": "V",
          "min": null,
          "typ": 1.275,
          "max": null,
          "conditions": "VCOMP = 1.4V, 2.97V ≤ VIN ≤ 48V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO reference voltage, falling",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.43,
          "max": null,
          "conditions": "VUVLO falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Nominal switching frequency",
          "symbol": "fnom",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 475,
          "max": null,
          "conditions": "RFA = 40kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver switch on-resistance (top)",
          "symbol": "RDS1 (ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "IDR = 0.2A, VIN = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver switch on-resistance (bottom)",
          "symbol": "RDS2 (ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "IDR = 0.2A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current (switching)",
          "symbol": "ISUPPLY",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.7,
          "max": null,
          "conditions": "See note (2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 9,
          "max": null,
          "conditions": "VFA/SYNC/SD = 3V, VIN = 12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current sense threshold voltage",
          "symbol": "VSENSE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Transconductance of error amplifier",
          "symbol": "Gm",
          "kind": "electrical",
          "unit": "µS",
          "min": null,
          "typ": 450,
          "max": null,
          "conditions": "VCOMP = 1.4V",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm3481qmmx"
  ],
  "discovery_pitch": "LM3481QMMX (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm3481qmmx.kicad_sym",
    "lm3481qmmx.kicad_mod",
    "lm3481qmmx.glb",
    "lm3481qmmx.step",
    "lm3481qmmx.lbr",
    "docs/hero.png",
    "docs/lm3481qmmx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm3481qmmx-hero.glb",
    "lm3481qmmx-hero.overlay.json",
    "lm3481qmmx-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}