SCT2321TVBR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sct2321tvbr",
  "title": "SCT2321TVBR",
  "brief": "SCT DC-DC Converters, TSOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
    "sct2321tvbr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SCT2321TVBR",
    "manufacturer": "SCT",
    "package": "TSOT-23-6L",
    "pin_count": 6,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2ece87fa1f62a7cc3faa30b253bd669b.pdf",
    "parts": {
      "symbol": "sct2321tvbr.kicad_sym",
      "footprint": "sct2321tvbr.kicad_mod",
      "model_3d": "sct2321tvbr-hero.glb",
      "model_3d_plain": "sct2321tvbr-etched.glb",
      "model_3d_step": "sct2321tvbr-etched.step",
      "model_3d_step_plain": "sct2321tvbr.step",
      "lbr": "sct2321tvbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C509061"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:11:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Buck converter output feedback sensing pin; connect a resistor divider from VOUT to set the output voltage, regulated to the internal 0.8V typical reference."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable logic input; floating enables the device, tolerates up to VIN, with precision thresholds of 1.18V rising / 1.1V falling for programmable UVLO and hysteresis."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input (3.8V to 32V operating) that must be locally bypassed."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground that must be soldered directly to the ground plane."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Switching node of the buck converter."
      },
      {
        "number": "6",
        "name": "BST",
        "type": "passive",
        "description": "Power supply for the high-side MOSFET gate driver; connect a 0.1uF or greater ceramic capacitor between BST and SW."
      }
    ],
    "provenance": {
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 6,
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1007b8f67a3e81e2c5182bfd1fd27afe4d8d3710e0bfa1a14b8a91db8b595eb5",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "SCT",
      "Package": "TSOT-23-6L",
      "Category": "Power Management ICs",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8aac15f8b026da704ededbed06bbcec7c109e2f27f9910bfb5361d349556196b",
      "rows": [
        {
          "name": "Input UVLO rising",
          "symbol": "VIN_UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.5,
          "max": 3.7,
          "conditions": "VIN rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": 3,
          "conditions": "EN=0, No load, VIN=12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable high threshold",
          "symbol": "VEN_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.18,
          "max": 1.25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable low threshold",
          "symbol": "VEN_L",
          "kind": "electrical",
          "unit": "V",
          "min": 1.03,
          "typ": 1.1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable pin input current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "uA",
          "min": 1,
          "typ": 1.5,
          "max": 2,
          "conditions": "EN=1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.792,
          "typ": 0.8,
          "max": 0.808,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HSD peak current limit",
          "symbol": "ILIM_HSD",
          "kind": "electrical",
          "unit": "A",
          "min": 2.5,
          "typ": 2.8,
          "max": 3.1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LSD valley current limit",
          "symbol": "ILIM_LSD",
          "kind": "electrical",
          "unit": "A",
          "min": 2.8,
          "typ": 3.2,
          "max": 3.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 450,
          "typ": 500,
          "max": 550,
          "conditions": "VIN=12V, VOUT=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BST voltage",
          "symbol": "BST",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VIN, SW, EN voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 34,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VS, FB voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 125,
          "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,
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        },
        {
          "name": "ESD HBM",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Human Body Model, all pins",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Charged Device Model, all pins",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 89,
          "max": null,
          "conditions": "TSOT23-6L",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to case thermal resistance",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 39,
          "max": null,
          "conditions": "TSOT23-6L",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "UVLO hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 420,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "EN=floating, No load, No switching. VIN=12V. BST-SW=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable pin hysteresis current",
          "symbol": "IEN_HYS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "EN=1.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High side FET on-resistance",
          "symbol": "RDSON_H",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low side FET on-resistance",
          "symbol": "RDSON_L",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum on-time",
          "symbol": "tON_MIN",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Internal soft-start time",
          "symbol": "tSS",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output OVP threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "VOUT rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown threshold",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "TJ rising",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "SCT2321TVBR (SCT) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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