FAN5333ASX

{
  "slug": "fan5333asx",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi LED Drivers, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "fan5333asx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fan5333asx.kicad_sym",
    "fan5333asx.kicad_mod",
    "fan5333asx.glb",
    "fan5333asx.step",
    "fan5333asx.lbr",
    "docs/hero.png",
    "docs/fan5333asx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fan5333asx-hero.glb",
    "fan5333asx-hero.overlay.json",
    "fan5333asx-etched.glb"
  ],
  "component": {
    "mpn": "FAN5333ASX",
    "manufacturer": "onsemi",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589977327133224961",
    "parts": {
      "symbol": "fan5333asx.kicad_sym",
      "footprint": "fan5333asx.kicad_mod",
      "model_3d": "fan5333asx-hero.glb",
      "model_3d_plain": "fan5333asx-etched.glb",
      "model_3d_step": "fan5333asx-etched.step",
      "model_3d_step_plain": "fan5333asx.step",
      "lbr": "fan5333asx.lbr"
    },
    "distributor_links": {
      "lcsc": "C890747",
      "digikey": "FAN5333ASXTR-ND",
      "mouser": "512-FAN5333ASX"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T10:00:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "FAN5333ASXTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "512-FAN5333ASX",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connected to the internal N-channel switch; the datasheet gives an SW to GND absolute maximum range of −0.3 V to 35 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Analog and power ground; the datasheet recommends a PCB ground plane connected to this pin as an EMI shield."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that connects to the external current-set resistor divider; for the FAN5333A (this MPN) the feedback voltage is 110 mV typical (99 mV to 121 mV), and FB to GND is limited to −0.3 V to VIN + 0.3 V."
      },
      {
        "number": "4",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown control where logic HIGH enables and logic LOW disables the device, with a device-on threshold of 1.5 V and device-off threshold of 0.5 V; SHDN to GND is limited to −0.3 V to VIN + 0.3 V."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin with a recommended operating range of 1.8 V to 5.5 V and an absolute maximum VIN to GND of 6.0 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not assign an ERC class to SW; 'passive' was chosen as the KiCad type for the swi; The datasheet lists both FAN5333A (110 mV) and FAN5333B (315 mV) feedback voltages. The description "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0468,
        "at": "2026-10-20T09:59:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589977327133224961",
        "pages": 10,
        "sha256": "48c0d98df2bf045f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fan5333asx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fan5333asx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c201f6b9f37cfd6dd3d599117817f503676fa12887e47f5a88f6589f67a542f5",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}