XL7056E1

{
  "schema_version": 1,
  "type": "component",
  "slug": "xl7056e1",
  "title": "XL7056E1",
  "brief": "XLSEMI DC-DC Converters, TO-263-7. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "xl7056e1"
  ],
  "component": {
    "mpn": "XL7056E1",
    "manufacturer": "XLSEMI",
    "package": "TO-263-7",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6730228993ca136dc7575a54dbad301b.pdf",
    "parts": {
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      "footprint": "xl7056e1.kicad_mod",
      "model_3d": "xl7056e1-etched.glb",
      "model_3d_plain": "xl7056e1.glb",
      "model_3d_step": "xl7056e1-etched.step",
      "model_3d_step_plain": "xl7056e1.step",
      "lbr": "xl7056e1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2798028"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin. Reference for all internal circuitry."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin. Senses the output voltage through an external resistor divider network for regulation. Internal reference voltage is 1.25 V."
      },
      {
        "number": "3",
        "name": "CSN",
        "type": "input",
        "description": "Current sense negative input. Connects to the low side of the external current-sense resistor for over-current/limit detection."
      },
      {
        "number": "4",
        "name": "SW",
        "type": "output",
        "description": "Switch node output pin from the internal high-side power MOSFET. Connects to the external inductor and freewheeling Schottky diode. Also tied to the metal tab of the TO263-7L package."
      },
      {
        "number": "5",
        "name": "CSP",
        "type": "input",
        "description": "Current sense positive input. Connects to the high side of the external current-sense resistor for output current limiting."
      },
      {
        "number": "6",
        "name": "VC",
        "type": "passive",
        "description": "Internal voltage regulator bypass pin. Requires a 1 uF bypass capacitor between VC and VIN."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input pin. Accepts 8 V to 80 V DC input. A bypass capacitor between VIN and GND is required for noise suppression."
      },
      {
        "number": "8",
        "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",
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        "pages": 11,
        "sha256": "fa827ef1aee9b233",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -7.65,
        -3.81
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-263-7_TabPin8@sha256:777bb53188f3029e",
      "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": "34b8121b216e7b6490402befe573a69b06919acafd33d6e8da88bd238574da52",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "91fb18df1933b5a5c60d198f7b1aaf436725585ece00d0f9fb9f283bd517ef27",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XLSEMI",
      "Package": "TO-263-7",
      "Category": "PMIC",
      "Pins": "7"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fa827ef1aee9b233",
      "rows": [
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          "name": "反馈电压",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.225,
          "typ": 1.25,
          "max": 1.275,
          "conditions": "Vin =20V 至 80V, Vout=15V Iload=0.5A",
          "source_page": 5,
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        {
          "name": "输入电压",
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        {
          "name": "静态电源电流",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.1,
          "max": 5,
          "conditions": "VFB=2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "振荡频率",
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          "unit": "KHz",
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          "typ": 100,
          "max": 135,
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        },
        {
          "name": "输入引脚电压",
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        },
        {
          "name": "输出开关引脚电压",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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        },
        {
          "name": "最大结温",
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          "unit": "ºC",
          "min": -40,
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          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "贮存温度范围",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "引脚温度(焊接10秒)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "焊接10秒",
          "source_page": 4,
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        },
        {
          "name": "ESD (人体模型)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 3000,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "热阻 (TO263-7L)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "ºC/W",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "结到环境，无外部散热片",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "XL7056E1 (XLSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "variants": [
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      "mpn": "XL7056E1",
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  "updated_at": "2026-09-25T14:36:19.989Z"
}