WD1035DH-8

{
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  "type": "component",
  "slug": "wd1035dh-8",
  "title": "WD1035DH-8",
  "brief": "WILLSEMI Will Semicon DC-DC Converters, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power management (pmic)",
    "wd1035dh-8",
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  "component": {
    "mpn": "WD1035DH-8",
    "manufacturer": "WILLSEMI Will Semicon",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
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    "distributor_links": {
      "lcsc": "C2939856"
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    "distributor_check": {
      "checked_at": "2026-10-18T06:06:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin connected to the feedback resistor for the adjustable version or to VOUT for the fixed-output version."
      },
      {
        "number": "2",
        "name": "PG",
        "type": "output",
        "description": "Power-good open-drain output with an external pull-up resistor; it is high when FB is within 90% of nominal and low otherwise, and is specified to sink up to 1 mA."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input pin with an operating range of 2.7V to 5.5V that must be decoupled to GND with at least 10uF ceramic capacitance."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, which must be connected to the exposed pad and a large copper area for maximum power dissipation."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "output",
        "description": "Inductor pin (switching node) connecting the internal power switches to the output inductor."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable control that turns the regulator on when pulled high (VIH 1.4V min, VIL 0.4V max) and must not be left floating."
      },
      {
        "number": "8",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground for the control circuitry."
      },
      {
        "number": "9",
        "name": "Exposed Pad",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "at": "2026-10-18T06:02:23"
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    "specs": {
      "Manufacturer": "WILLSEMI Will Semicon",
      "Package": "DFN-8-EP(2x2)",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
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    "appearance": {
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        "material": "copper"
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          "name": "Lead Temperature (Soldering,10 sec)",
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          "name": "PFET Current Limit",
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        {
          "name": "Oscillator Frequency",
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          "unit": "MHz",
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        {
          "name": "Soft Start Time",
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          "name": "Power on delay time",
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