main
Ray Set visibility: public ef183d7 6h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sl2733",
  "title": "SL2733",
  "brief": "Slkor(SLKORMICRO Elec.) DC-DC Converters, SOT-23-5. 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",
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    "manufacturer": "Slkor(SLKORMICRO Elec.)",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f25c3d660e501686750cabdd796a3b03.pdf",
    "parts": {
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      "footprint": "sl2733.kicad_mod",
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      "model_3d_plain": "sl2733-etched.glb",
      "model_3d_step": "sl2733-etched.step",
      "model_3d_step_plain": "sl2733.step",
      "lbr": "sl2733.lbr"
    },
    "distributor_links": {
      "lcsc": "C2681394"
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    "distributor_check": {
      "checked_at": "2026-10-22T21:03:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal power switch, connected to the inductor and Schottky diode anode; enters low-power safe mode when SW reaches 37V overvoltage detection, with 40V absolute maximum."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin, to be connected directly to the PCB ground plane."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin clamped at 0.3V, connected to the cathode of the lowest LED with resistor R1 to GND setting ILED = 0.3V/R1."
      },
      {
        "number": "4",
        "name": "SHDN",
        "type": "input",
        "description": "Active-high shutdown logic input; device is off below 0.4V and enabled above 1.5V, with -0.3 to 40V absolute maximum."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input for internal logic, 3.3V to 32V input range with a 4.7uF ceramic bypass capacitor to GND recommended; device stops below 3.3V."
      }
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
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        "cost_usd": 0.0652,
        "at": "2026-10-22T21:03:43"
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        "pages": 15,
        "sha256": "7f009a53569e1d44",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
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  "metadata": {
    "specs": {
      "Manufacturer": "Slkor(SLKORMICRO Elec.)",
      "Package": "SOT-23-5",
      "Category": "Power Management ICs",
      "Pins": "5"
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    "characteristics": {
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      "rows": [
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          "name": "FB pin voltage",
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          "unit": "mV",
          "min": 285,
          "typ": 300,
          "max": 315,
          "conditions": "IOUT = 180mA, VIN=3.6V, Ta=25C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "VSHDN=0V",
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        },
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          "name": "Operating current",
          "symbol": "IQ",
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          "typ": 0.8,
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          "conditions": "VFB = 0.4V",
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        {
          "name": "FB input current",
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          "max": 1,
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        {
          "name": "Enable turn-on voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.5,
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        {
          "name": "Enable turn-off voltage",
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          "typ": 0.4,
          "max": 0.5,
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        },
        {
          "name": "Switching frequency",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.8,
          "typ": 1,
          "max": 1.3,
          "conditions": "",
          "source_page": 6,
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        {
          "name": "Switch on-resistance",
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          "max": 2,
          "conditions": "ISW = 100 mA",
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          "source": "datasheet"
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        {
          "name": "Switch leakage current",
          "symbol": "LLEAK",
          "kind": "electrical",
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          "typ": null,
          "max": 1,
          "conditions": "EN=0V, VSW=5V",
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          "source": "datasheet"
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        {
          "name": "Switch current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 600,
          "max": null,
          "conditions": "VIN=3.6V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Switch current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 750,
          "max": null,
          "conditions": "VIN=5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis",
          "symbol": "THYST",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 6,
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        },
        {
          "name": "UVLO threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage detection threshold",
          "symbol": "VOV-DET",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 37,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output clamp voltage",
          "symbol": "VOCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 37,
          "max": null,
          "conditions": "LED open, FB<0.2",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 92,
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          "source_page": 6,
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          "name": "Minimum duty cycle",
          "symbol": "DC",
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          "typ": 16,
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        {
          "name": "VIN voltage",
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          "name": "Storage temperature",
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          "name": "Junction temperature",
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          "name": "Soldering temperature",
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          "conditions": "Human body model, JESD22-A114",
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          "name": "ESD CDM",
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          "kind": "absolute_maximum",
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          "min": -1000,
          "typ": null,
          "max": 1000,
          "conditions": "Charged device model, JESD22-C101E",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VIN pin voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
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          "min": 3.6,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 5,
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          "name": "SW pin voltage",
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          "kind": "recommended_operating",
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          "source_page": 5,
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        {
          "name": "Thermal resistance junction-ambient",
          "symbol": "Rthj-a",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "SOT23-5, soldered on PCB",
          "source_page": 5,
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      ]
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  },
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  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SL2733 (Slkor(SLKORMICRO Elec.)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}