SK6627

{
  "schema_version": 1,
  "type": "component",
  "slug": "sk6627",
  "title": "SK6627",
  "brief": "Suntek DC-DC Converters, SOT-563. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "sk6627",
    "factory-2.0.0",
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  "component": {
    "mpn": "SK6627",
    "manufacturer": "Suntek",
    "package": "SOT-563",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590269020575465472",
    "parts": {
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      "footprint": "sk6627.kicad_mod",
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      "model_3d_step": "sk6627-etched.step",
      "model_3d_step_plain": "sk6627.step",
      "lbr": "sk6627.lbr"
    },
    "distributor_links": {
      "lcsc": "C5120329"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:55:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Power supply pin with a 4.5 V to 17 V operating input range and an absolute maximum VIN of -0.3 V to 19 V."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switching pin connecting the internal power MOSFETs to the inductor, with an absolute maximum of -0.3 V to VIN+1 V (-5 V to VIN+2 V for 10 ns transients)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "4",
        "name": "BS",
        "type": "power_out",
        "description": "Bootstrap pin; a capacitor connected between SW and BS forms the floating supply for the high-side switch driver, with an absolute maximum of -0.3 V to VSW+5 V."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive to logic-high (rising threshold 1.4 V) to enable the IC and to logic-low (falling threshold 0.8 V) to disable it into micro-power shutdown, with an absolute maximum of -0.3 V to 19 V."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Adjustable-version feedback input, connected to the center point of the external resistor divider, with a 0.805 V typical reference and an absolute maximum of -0.3 V to 6 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT563 package drawing (page 13) is an image with no extractable text, so pin-1 orientation and ; Pin types for SW (output), BS (power_out) and the EN/FB inputs are inferred from their functions des"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0604,
        "at": "2026-10-18T15:53:55"
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        "pages": 13,
        "sha256": "d1d4f912a6b37dba",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Suntek",
      "Package": "SOT-563",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
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        {
          "name": "Lead temperature (soldering)",
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        {
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        {
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        {
          "name": "Under-voltage lockout threshold, wake up VIN voltage",
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        {
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          "name": "High-side switch on-resistance",
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          "name": "Valley switch current limit",
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          "name": "Over voltage protection threshold",
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          "unit": "V",
          "min": null,
          "typ": 19,
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        {
          "name": "Switching frequency",
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          "unit": "KHz",
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          "conditions": "",
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        {
          "name": "Maximum duty cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 94,
          "max": null,
          "conditions": "VFB=90%",
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        {
          "name": "Minimum off-time",
          "symbol": "",
          "kind": "timing",
          "unit": "nS",
          "min": null,
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        {
          "name": "EN rising threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
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        {
          "name": "EN falling threshold",
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          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
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        },
        {
          "name": "Hysteresis VIN voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
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        {
          "name": "Soft start",
          "symbol": "",
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          "unit": "mS",
          "min": null,
          "typ": 1.5,
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        {
          "name": "Thermal shutdown",
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          "kind": "electrical",
          "unit": "℃",
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          "name": "Thermal hysteresis",
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        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 155,
          "max": null,
          "conditions": "JESD 51-7, 4-layer JEDEC board",
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        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
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        {
          "name": "Junction-to-top characterization parameter",
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          "name": "Junction-to-board characterization parameter",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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