XC9236A18CMR

{
  "schema_version": 1,
  "type": "component",
  "slug": "xc9236a18cmr",
  "title": "XC9236A18CMR",
  "brief": "Torex Semicon DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
    "xc9236a18cmr",
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  "component": {
    "mpn": "XC9236A18CMR",
    "manufacturer": "Torex Semicon",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/32b10115833a4654bbad7f5a098b24ad.pdf",
    "parts": {
      "symbol": "xc9236a18cmr.kicad_sym",
      "footprint": "xc9236a18cmr.kicad_mod",
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      "lbr": "xc9236a18cmr.lbr"
    },
    "distributor_links": {
      "lcsc": "C122893"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:35:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with an operating voltage range of 2.0V to 6.0V for the A type, and a bypass capacitor CIN should be connected as close as possible to the VIN and VSS pins."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin for the IC, which should be connected as close as possible to the VIN bypass capacitor and kept on thick, short PCB ground traces."
      },
      {
        "number": "3",
        "name": "CE/MODE",
        "type": "input",
        "description": "High-active enable and mode selection pin, where a level above 0.65V and up to 6.0V enables operation in the PWM/PFM automatic switching mode and a level from 0V to 0.25V puts the IC in stand-by."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Fixed output voltage pin for the A type, which sets the 1.8V output and enters high impedance during shutdown."
      },
      {
        "number": "5",
        "name": "Lx",
        "type": "output",
        "description": "Switching output pin that drives the external coil, with high impedance in shutdown and no CL discharge path on the A type."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: MPN XC9236A18CMR decodes to XC9236 (PWM/PFM auto), A type (VIN 2.0V, no CL discharge, fixed output),"
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        "cost_usd": 0.0125,
        "at": "2026-10-27T01:35:09"
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        "pages": 34,
        "sha256": "8d285a7b969f3d97",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Torex Semicon",
      "Package": "SOT-23-5",
      "Category": "Power Management ICs",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "(2) Sn-AG-Cu is used for the package terminals. If eutectic solder is used, mounting reliability is decreased. Please do not use eutectic solder paste.",
        "page": 20,
        "doc": "ds.pdf",
        "plating": "tin"
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          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.764,
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          "max": 1.836,
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          "typ": null,
          "max": 6,
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        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 600,
          "typ": null,
          "max": null,
          "conditions": "VIN=VOUT(E)+2.0V, VCE=1.0V, When connected to external components (*9)",
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          "source": "datasheet"
        },
        {
          "name": "UVLO Voltage",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.4,
          "max": 1.78,
          "conditions": "VCE=VIN, VOUT=0V, Voltage which Lx pin holding L level (*1, *11)",
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        {
          "name": "Supply Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 15,
          "max": 33,
          "conditions": "VIN=VCE=5.0V, VOUT=VOUT(E)×1.1V",
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          "source": "datasheet"
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        {
          "name": "Stand-by Current",
          "symbol": "ISTB",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 1,
          "conditions": "VIN=5.0V, VCE=0V, VOUT=VOUT(E)×1.1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Oscillation Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 1020,
          "typ": 1200,
          "max": 1380,
          "conditions": "When connected to external components, VIN=VOUT(E)+2.0V, VCE=1.0V, IOUT=100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PFM Switching Current",
          "symbol": "IPFM",
          "kind": "electrical",
          "unit": "mA",
          "min": 120,
          "typ": 160,
          "max": 200,
          "conditions": "When connected to external components, VIN=VOUT(E)+2.0V, VCE=VIN, IOUT=1mA (*12)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PFM Duty Limit",
          "symbol": "DTYLIMIT_PFM",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 200,
          "max": 300,
          "conditions": "VCE=VIN=(C-1), IOUT=1mA (*12)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "DTYMAX",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VIN=VCE=5.0V, VOUT=VOUT(E)×0.9V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum Duty Cycle",
          "symbol": "DTYMIN",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0,
          "conditions": "VIN=VCE=5.0V, VOUT=VOUT(E)×1.1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Efficiency",
          "symbol": "EFFI",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 92,
          "max": null,
          "conditions": "When connected to external components, VCE=VIN=VOUT(E)+1.2V, IOUT=100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lx SW H ON Resistance 1",
          "symbol": "RLxH",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 0.35,
          "max": 0.55,
          "conditions": "VIN=VCE=5.0V, VOUT=0V, ILx=100mA (*3)",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Lx SW H ON Resistance 2",
          "symbol": "RLxH",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 0.42,
          "max": 0.67,
          "conditions": "VIN=VCE=3.6V, VOUT=0V, ILx=100mA (*3)",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Lx SW L ON Resistance 1",
          "symbol": "RLxL",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 0.45,
          "max": 0.65,
          "conditions": "VIN=VCE=5.0V (*4)",
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          "source": "datasheet"
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        {
          "name": "Lx SW L ON Resistance 2",
          "symbol": "RLxL",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 0.52,
          "max": 0.77,
          "conditions": "VIN=VCE=3.6V (*4)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lx SW H Leak Current",
          "symbol": "ILEAKH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VIN=VOUT=5.0V, VCE=0V, Lx=0V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Lx SW L Leak Current",
          "symbol": "ILEAKL",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VIN=VOUT=5.0V, VCE=0V, Lx=5.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 900,
          "typ": 1050,
          "max": 1350,
          "conditions": "VIN=VCE=5.0V, VOUT=VOUT(E)×0.9V (*8)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Characteristics",
          "symbol": "VOUT/(VOUT・△Topr)",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "IOUT=30mA, -40℃≦Topr",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE H Voltage",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.65,
          "typ": null,
          "max": 6,
          "conditions": "VOUT=0V, Applied voltage to VCE, Voltage changes Lx to H level (*11)",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "CE L Voltage",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "VOUT=0V, Applied voltage to VCE, Voltage changes Lx to L level (*11)",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Soft Start Time",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "ms",
          "min": 0.5,
          "typ": 1,
          "max": 2.5,
          "conditions": "When connected to external components, VCE=0V VIN, IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Latch Time",
          "symbol": "tLAT",
          "kind": "timing",
          "unit": "ms",
          "min": 1,
          "typ": null,
          "max": 20,
          "conditions": "VIN=VCE=5.0V, VOUT=0.8×VOUT(E), Short Lx at 1 resistance (*7)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short Protection Threshold Voltage",
          "symbol": "VSHORT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.675,
          "typ": 0.9,
          "max": 1.15,
          "conditions": "Sweeping VOUT, VIN=VCE=5.0V, Short Lx at 1 resistance, VOUT voltage which Lx becomes L level within 1ms",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "VIN Pin Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Lx Pin Voltage",
          "symbol": "VLx",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VIN + 0.3",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "VOUT Pin Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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          "conditions": "",
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          "name": "FB Pin Voltage",
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          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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          "name": "CE/MODE Pin Voltage",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Lx Pin Current",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -1500,
          "typ": null,
          "max": 1500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Power Dissipation SOT-25",
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          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "SOT-25 package",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Operating Ambient Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Storage Temperature",
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          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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