LM2736XMKX

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2736xmkx",
  "title": "LM2736XMKX",
  "brief": "Texas Instruments DC-DC Converters, TSOT-23-6. 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 supply chip",
    "lm2736xmkx",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM2736XMKX",
    "manufacturer": "Texas Instruments",
    "package": "TSOT-23-6",
    "pin_count": 6,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2736",
    "parts": {
      "symbol": "lm2736xmkx.kicad_sym",
      "footprint": "lm2736xmkx.kicad_mod",
      "model_3d": "lm2736xmkx-hero.glb",
      "model_3d_plain": "lm2736xmkx-etched.glb",
      "model_3d_step": "lm2736xmkx-etched.step",
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      "lbr": "lm2736xmkx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2867384",
      "digikey": "LM2736XMKX-ND",
      "mouser": "926-LM2736XMKX"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:23:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2736XMKX-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2736XMKX",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOST",
        "type": "input",
        "description": "Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between the BOOST and SW pins (Boost voltage -0.5 V to 23 V recommended, Boost to SW 1.6 V to 5.5 V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Signal and power ground pin; place the bottom resistor of the feedback network as close as possible to this pin for accurate regulation."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin; connect FB to the external resistor divider to set the output voltage (absolute maximum -0.5 V to 3 V)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable control input where logic high enables operation; do not allow this pin to float or be greater than VIN + 0.3 V."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage (3 V to 18 V recommended); connect a bypass capacitor to this pin."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Output switch that connects to the inductor, catch diode, and bootstrap capacitor (-0.5 V to 18 V recommended)."
      }
    ],
    "provenance": {
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        "cost_usd": 0.0738,
        "at": "2026-10-23T03:23:12"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2736",
        "pages": 37,
        "sha256": "adf1c5a775dcaa6f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSOT-23-6",
      "Category": "Power Supply Chip",
      "Pins": "6"
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          "min": 0.3,
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        {
          "name": "Switching Frequency LM2736X",
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        {
          "name": "Minimum Duty Cycle LM2736X",
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        {
          "name": "Switch ON Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
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        {
          "name": "Switch Current Limit",
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          "kind": "electrical",
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          "conditions": "VBOOST - VSW = 3V",
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        {
          "name": "Quiescent Current Switching",
          "symbol": "IQ",
          "kind": "electrical",
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          "conditions": "Switching",
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        },
        {
          "name": "Boost Pin Current LM2736X",
          "symbol": "IBOOST",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": 3.3,
          "conditions": "LM2736X (50% Duty Cycle)",
          "source_page": 5,
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        {
          "name": "Shutdown Threshold Voltage",
          "symbol": "VEN_TH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": null,
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        {
          "name": "Enable Threshold Voltage",
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          "kind": "electrical",
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          "min": null,
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        {
          "name": "Enable Pin Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Sink/Source",
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        },
        {
          "name": "Switch Leakage",
          "symbol": "ISW",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
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          "max": 40,
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          "max": null,
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        {
          "name": "Feedback Voltage Line Regulation",
          "symbol": "ΔVFB/ΔVIN",
          "kind": "electrical",
          "unit": "% / V",
          "min": null,
          "typ": 0.01,
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          "kind": "recommended_operating",
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          "min": 3,
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        {
          "name": "SW Voltage",
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          "min": -0.5,
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          "max": 18,
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        {
          "name": "Boost Voltage",
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          "name": "Boost to SW Voltage",
          "symbol": "",
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          "min": 1.6,
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          "max": 5.5,
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        {
          "name": "Junction Temperature Range",
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          "kind": "recommended_operating",
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          "name": "SW Voltage",
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          "conditions": "",
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          "name": "Boost Voltage",
          "symbol": "BOOST",
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          "min": -0.5,
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        {
          "name": "FB Voltage",
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          "unit": "V",
          "min": -0.5,
          "typ": null,
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        {
          "name": "EN Voltage",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "max is VIN + 0.3 V",
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          "name": "Junction Temperature",
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          "name": "Soldering Infrared/Convection Reflow",
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          "name": "Junction-to-top characterization parameter",
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