XL4005E1

{
  "schema_version": 1,
  "type": "component",
  "slug": "xl4005e1",
  "title": "XL4005E1",
  "brief": "XLSEMI DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "xl4005e1"
  ],
  "component": {
    "mpn": "XL4005E1",
    "manufacturer": "XLSEMI",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c07e791923eb31fd54eea7ed5aec6300.pdf",
    "parts": {
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      "model_3d_step_plain": "xl4005e1.step",
      "lbr": "xl4005e1.lbr"
    },
    "distributor_links": {
      "lcsc": "C73332"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin. Should be placed outside the Schottky diode-to-output-capacitor ground path to prevent switching current spikes from inducing voltage noise into the XL4005."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin. Senses the output voltage through an external resistor divider network and regulates it. Feedback threshold voltage is 0.8V."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Power switch output pin. Switch node connected to the internal power MOSFET (25 mΩ) that supplies power to the output inductor. Also connected to the exposed metal tab of the TO263-5L package."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable pin. Drive high (>1.4V) to turn the device on; drive low (<0.8V) to turn it off. TTL-compatible with hysteresis."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input pin. Operates from 5V to 32V DC (absolute max 35V). Bypass VIN to GND with a suitably large capacitor (e.g. 220µF/50V) to eliminate input noise."
      },
      {
        "number": "6",
        "name": "TAB",
        "type": "power_in",
        "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
        "source": "derived-from-footprint"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c07e791923eb31fd54eea7ed5aec6300.pdf",
        "pages": 10,
        "sha256": "dccfa80a42b888ff",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -7.65,
        -3.4
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-263-5_TabPin6@sha256:77e8ff2d643255fc",
      "mark": "drawn"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "223e8e12a6294463299d2041b83ec376f2d89b78c456074e4edb1d7c9203a377",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XLSEMI",
      "Package": "TO-263-5",
      "Category": "PMIC",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dccfa80a42b888ff",
      "rows": [
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.776,
          "typ": 0.8,
          "max": 0.824,
          "conditions": "Vin = 5V to 32V, Vout=5V, Iload=0.5A to 5A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input operation voltage",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 60,
          "max": 200,
          "conditions": "VEN=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Supply Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 5,
          "conditions": "VEN =2V, VFB =Vin",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "Fosc",
          "kind": "electrical",
          "unit": "Khz",
          "min": 240,
          "typ": 300,
          "max": 360,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Threshold High (Regulator ON)",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "High (Regulator ON)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Threshold Low (Regulator OFF)",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Low (Regulator OFF)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Input Leakage Current (ON)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": 15,
          "conditions": "VEN =2V (ON)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Input Leakage Current (OFF)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": 15,
          "conditions": "VEN =0V (OFF)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum)",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Pin Voltage",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Switch Pin Voltage",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (TO263-5L) Junction to Ambient",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "Junction to Ambient, No Heatsink, Free Air",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD (HBM)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "HBM",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "XL4005E1 (XLSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "variants": [
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      "mpn": "XL4005E1",
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  "updated_at": "2026-09-25T14:33:14.574Z"
}