SCT2630ASTER

{
  "schema_version": 1,
  "type": "component",
  "slug": "sct2630aster",
  "title": "SCT2630ASTER",
  "brief": "SCT DC-DC Converters, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "sct2630aster"
  ],
  "component": {
    "mpn": "SCT2630ASTER",
    "manufacturer": "SCT",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/56d1acd1ca98d7258b963bc23c796dfb.pdf",
    "parts": {
      "symbol": "sct2630aster.kicad_sym",
      "footprint": "sct2630aster.kicad_mod",
      "model_3d": "sct2630aster-etched.glb",
      "model_3d_plain": "sct2630aster.glb",
      "model_3d_step": "sct2630aster-etched.step",
      "model_3d_step_plain": "sct2630aster.step",
      "lbr": "sct2630aster.lbr"
    },
    "distributor_links": {
      "lcsc": "C2693818"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "power_in",
        "description": "Power supply bias for high-side power MOSFET gate driver. Connect a 0.1µF bootstrap capacitor from BOOT to SW. Bootstrap capacitor is charged when SW is low. Absolute max 72V; BOOT-SW rated -0.3 to 6V, UVLO threshold ~2.52V."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 4.5V to 60V operating range (absolute max 65V). Connect a local high-frequency bypass capacitor from VIN to GND as close as possible to the pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input with internal 1µA pull-up current source (3.6µA once above threshold). Pull below 1.2V to disable the converter; float or tie to VIN to enable. A VIN-to-GND resistor divider on EN sets a programmable input UVLO threshold. High-voltage tolerant to 65V."
      },
      {
        "number": "4",
        "name": "RT/CLK",
        "type": "bidirectional",
        "description": "Sets internal oscillator frequency or accepts an external synchronization clock. A resistor from RT/CLK to GND sets fSW from 100kHz to 1.2MHz (RT(kΩ) = 100000/fSW(kHz), typical pin voltage 0.5V). Alternatively, drive an external clock (100kHz-1.2MHz, high ≥2V, low ≤0.4V, pulse width >80ns) directly into RT/CLK; internal PLL locks to it. On loss of clock, reverts to resistor-set frequency."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the transconductance error amplifier. Connect the tap of an external feedback resistor divider from VOUT to GND. Device regulates FB to the internal 0.8V ±1% reference. OVP triggers at 110% of VREF (rising), releases at 105% (falling)."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output. Connect an external frequency compensation network (R-C) to GND to shape the control loop. Typical clamps: high 2.25V, low 0.47V. Transconductance gm ≈ 300µS, ±30µA source/sink."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the device. Electrically connected to the exposed thermal pad."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Regulator switching output - source of the integrated 80mΩ high-side MOSFET. Connect to the external power inductor and to the external low-side (catch) Schottky diode. Absolute max -1V to 65V. Also serves as the BOOT capacitor return."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Exposed thermal pad on the underside of the ESOP-8 package. Heat-dissipation path of the die; electrically connected to the GND pin. Must be soldered to a ground copper plane on the PCB for proper operation and optimized thermal performance (θJA ≈ 42°C/W)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/56d1acd1ca98d7258b963bc23c796dfb.pdf",
        "pages": 23,
        "sha256": "616843ced2651fa2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sct2630aster.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sct2630aster-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ab17e8cbcece0782292e0e00227549286f7f309df9480ff333871996fb37127a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SCT",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "616843ced2651fa2",
      "rows": [
        {
          "name": "VIN Operating input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input UVLO Threshold (VIN rising)",
          "symbol": "VIN_UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.2,
          "max": 4.4,
          "conditions": "VIN rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current from VIN pin",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "EN=0, no load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage of FB",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.792,
          "typ": 0.8,
          "max": 0.808,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-side power MOSFET peak current limit threshold",
          "symbol": "ILIM_HS",
          "kind": "electrical",
          "unit": "A",
          "min": 4.7,
          "typ": 5.5,
          "max": 6.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency range using RT mode",
          "symbol": "FRANGE_RT",
          "kind": "electrical",
          "unit": "kHz",
          "min": 100,
          "typ": null,
          "max": 1200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 450,
          "typ": 500,
          "max": 550,
          "conditions": "RRT=200 kΩ(1%)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature (recommended)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Over operating free-air temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range (recommended)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 57,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN, EN",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 65,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BOOT",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 72,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 65,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BOOT-SW",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "COMP, FB, RT/CLK",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "standard board",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5.9,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (VIN UVLO)",
          "symbol": "VIN_UVLO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 320,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current from VIN pin",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 175,
          "max": null,
          "conditions": "EN floating, no load, non-switching, BOOT-SW=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-side MOSFET on-resistance",
          "symbol": "RDSON_H",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VBOOT-VSW=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier trans-conductance",
          "symbol": "GEA",
          "kind": "electrical",
          "unit": "μS",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "-2μA<ICOMP<2μA, VCOMP=1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EA maximum source current",
          "symbol": "ICOMP_SRC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VFB=VREF-100mV, VCOMP=1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EA maximum sink current",
          "symbol": "ICOMP_SNK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VFB=VREF+100mV, VCOMP=1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "COMP high clamp",
          "symbol": "VCOMP_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.25,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COMP low clamp",
          "symbol": "VCOMP_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.47,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable pin pull-up current",
          "symbol": "IEN_L",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "EN=1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable pin pull-up current",
          "symbol": "IEN_H",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 3.6,
          "max": null,
          "conditions": "EN=1.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable high threshold",
          "symbol": "VEN_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft start time",
          "symbol": "TSS",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum on-time",
          "symbol": "tON_MIN",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "VIN=24V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback overvoltage threshold (rising)",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "VFB/VREF rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback overvoltage threshold (falling)",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 105,
          "max": null,
          "conditions": "VFB/VREF falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BOOT-SW UVLO threshold",
          "symbol": "VBOOTUV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.52,
          "max": null,
          "conditions": "BOOT-SW falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BOOT-SW UVLO hysteresis",
          "symbol": "VBOOTUV",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 230,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown threshold",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 172,
          "max": null,
          "conditions": "TJ rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sct2630aster"
  ],
  "discovery_pitch": "SCT2630ASTER (SCT) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sct2630aster.kicad_sym",
    "sct2630aster.kicad_mod",
    "sct2630aster.glb",
    "sct2630aster.step",
    "sct2630aster-etched.step",
    "sct2630aster.lbr",
    "docs/hero.png",
    "docs/sct2630aster-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "SCT2630ASTER",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T05:35:03.925Z"
}