XC6366B103MR-G

{
  "schema_version": 1,
  "type": "component",
  "slug": "xc6366b103mr-g",
  "title": "XC6366B103MR-G",
  "brief": "Torex Semicon DC-DC Converters, SOT-25. 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 (pmic)",
    "xc6366b103mr-g",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "XC6366B103MR-G",
    "manufacturer": "Torex Semicon",
    "package": "SOT-25",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603058483067428864",
    "parts": {
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      "footprint": "xc6366b103mr-g.kicad_mod",
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      "model_3d_step": "xc6366b103mr-g-etched.step",
      "model_3d_step_plain": "xc6366b103mr-g.step",
      "lbr": "xc6366b103mr-g.lbr"
    },
    "distributor_links": {
      "lcsc": "C7427432"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:01:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "EXT/",
        "type": "output",
        "description": "External transistor connection that drives the gate of the external switching transistor, with EXT/ pin voltage limited to -0.3 to VIN+0.3 V and EXT/ pin current limited to ±100 mA."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, operating from 2.2 V to 10 V for the VOUT type, with an absolute maximum rating of -0.3 to +12 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the controller; the datasheet notes that switching ground current can destabilize operation, so the GND pin surroundings should be strengthened."
      },
      {
        "number": "4",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input, with CE High at 0.65 V minimum and CE Low at 0.20 V maximum, where standby current is below 0.5 μA when CE is Low; the soft-start capacitor connection on this pin applies only to the C and D types."
      },
      {
        "number": "5",
        "name": "VOUT (FB)",
        "type": "input",
        "description": "Feedback input for the externally set-up FB type (B and D), where the output is set by RFB1/RFB2 with the pin rated at -0.3 to VIN+0.3 V."
      }
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        "cost_usd": 0.0554,
        "at": "2026-10-18T21:59:38"
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        "sha256": "f4d9169e1d5af8d2",
        "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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    "models_3d": [
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        "units": "mm",
        "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,
        "footprint_binding": "identity",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Torex Semicon",
      "Package": "SOT-25",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
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          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 2.925,
          "typ": 3,
          "max": 3.075,
          "conditions": "Ta=25℃ (table header)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃ (table header)",
          "source_page": 7,
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        },
        {
          "name": "UVLO Voltage (Minimum Operating Voltage)",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": 2.2,
          "conditions": "Same as IDD1; voltage which EXT/ pin voltage holding H level",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply Current 1",
          "symbol": "IDD1",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 55,
          "max": 100,
          "conditions": "No external components, CE=VIN, VOUT=0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply Current 2 (XC6366)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 15,
          "max": 27,
          "conditions": "CE=VDD, FB=1.2V (XC6366)",
          "source_page": 7,
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        },
        {
          "name": "Stand-by Current",
          "symbol": "ISTB",
          "kind": "electrical",
          "unit": "μA",
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          "typ": null,
          "max": 0.5,
          "conditions": "No external components, CE=FB=0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillation Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 255,
          "typ": 300,
          "max": 345,
          "conditions": "Measuring of EXT/ waveform, VIN=output voltage + 0.1V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Ratio",
          "symbol": "MAXDTY",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃ (table header)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PFM Duty Ratio",
          "symbol": "PFMDTY",
          "kind": "electrical",
          "unit": "%",
          "min": 15,
          "typ": 25,
          "max": 35,
          "conditions": "No load (XC6366 only)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "CE High Voltage",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.65,
          "typ": null,
          "max": null,
          "conditions": "No external components, FB=0V; voltage which EXT/ pin holding L level",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "CE Low Voltage",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "No external components, VOUT=0V; voltage which EXT/ pin holding H level",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EXT High ON Resistance",
          "symbol": "REXTBH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 17,
          "max": 24,
          "conditions": "Same as IDD2, VEXT/=VIN-0.4V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EXT Low ON Resistance",
          "symbol": "REXTBL",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 15,
          "max": 20,
          "conditions": "Same as IDD1, VEXT/=0.4V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Time",
          "symbol": "tSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 5,
          "typ": 10,
          "max": 20,
          "conditions": "Connect RSS, CSS, CE, 0V→3.0V (When VIN≦3.0V, VIN=3.0V)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIN Pin Voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 12,
          "conditions": "Voltage all ground standardized",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VOUT Pin Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN +0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB Pin Voltage",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN +0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE Pin Voltage",
          "symbol": "VCE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN +0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EXT/ Pin Voltage",
          "symbol": "VEXT/",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN +0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EXT/ Pin Current",
          "symbol": "IEXT/",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "Printed as ±100",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation SOT-25",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "SOT-25 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -30,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range (VOUT type)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 10,
          "conditions": "VOUT type, per Features section; not stated separately for FB type",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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    "name": "Ray",
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