OB3635AMP

{
  "schema_version": 1,
  "type": "component",
  "slug": "ob3635amp",
  "title": "OB3635AMP",
  "brief": "OB On Bright Elec LED Drivers, SOT-23-6. 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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    "led drivers",
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  "component": {
    "mpn": "OB3635AMP",
    "manufacturer": "OB On Bright Elec",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226639394410496",
    "parts": {
      "symbol": "ob3635amp.kicad_sym",
      "footprint": "ob3635amp.kicad_mod",
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      "lbr": "ob3635amp.lbr"
    },
    "distributor_links": {
      "lcsc": "C2924666"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:27:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "error"
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    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback from the auxiliary winding through a resistor divider reflecting the output voltage; the FB pin falling below 0.05V (typical) starts a new switching cycle for quasi-resonant operation, and FB above 1.5V (typical) triggers LED open-circuit protection."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input supplied from the transformer auxiliary winding; VDD over-voltage protection triggers above 32V (typical) and the absolute maximum VDD voltage is 40V."
      },
      {
        "number": "4",
        "name": "GATE",
        "type": "output",
        "description": "Gate driver output for the external power MOSFET, internally clamped at 12V (typical) and pulled low when VDD falls below UVLO(ON)."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "Current sensing terminal, connected through a sense resistor between the MOSFET source and GND; the internal leading edge blanking time is 0.4 us and the over-current threshold is 1.1V (typical) when FB is above 0.25V."
      },
      {
        "number": "6",
        "name": "CMP",
        "type": "output",
        "description": "Loop compensation pin with a large external capacitor connected between CMP and GND, whose clamp-down voltage is 1.0V."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The physical pin map for SOT-23-6 is shown only as an image in the datasheet (page 2 'Pin Configurat; The datasheet lists CMP as type O (output) but describes it as a compensation capacitor node; the ty"
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        "cost_usd": 0.037,
        "at": "2026-10-18T00:27:07"
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        "sha256": "34e18cfb0a835ae6",
        "source_tier": "lcsc"
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      "pins": {
        "total": 6,
        "described": 6,
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        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "OB On Bright Elec",
      "Package": "SOT-23-6",
      "Category": "LED Drivers",
      "Pins": "6"
    },
    "characteristics": {
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          "name": "Maximum Clamping Frequency",
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          "name": "Maximum On Time",
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        {
          "name": "Error Amplifier Transconductance",
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          "unit": "uS",
          "min": null,
          "typ": 40,
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          "name": "CMP Pin Down_clamp Voltage",
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        {
          "name": "Output Low Level",
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          "name": "Rising Edge Time",
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          "min": null,
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          "max": null,
          "conditions": "Cl=1nF",
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          "name": "Thermal regulation threshold",
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        {
          "name": "Package thermal resistance junction-to-ambient",
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          "unit": "℃/W",
          "min": null,
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          "max": null,
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  "discovery_pitch": "OB3635AMP (OB On Bright Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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