main
Ray Set visibility: public ea73f61 12d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "xh2576-3-3",
  "title": "XH2576-3.3",
  "brief": "XINLUDA DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "xh2576-3.3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "XH2576-3.3",
    "manufacturer": "XINLUDA",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2ad99875cd6e803ca59f194483e51862.pdf",
    "parts": {
      "symbol": "xh2576-3-3.kicad_sym",
      "footprint": "xh2576-3-3.kicad_mod",
      "model_3d": "xh2576-3-3-hero.glb",
      "model_3d_plain": "xh2576-3-3-etched.glb",
      "model_3d_step": "xh2576-3-3-etched.step",
      "model_3d_step_plain": "xh2576-3-3.step",
      "lbr": "xh2576-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C609787"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T05:51:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input pin to the collector of the high-side transistor; connect to the power supply and input bypass capacitor CIN, keeping the VIN to CIN and GND path as short as possible."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "Emitter of the power transistor and switching node; attach to the inductor and the cathode of the external diode."
      },
      {
        "number": "3",
        "name": "GROUND",
        "type": "power_in",
        "description": "Ground pin; the path to CIN must be as short as possible."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Feedback sense input; connect to the midpoint of the feedback divider to set VOUT for the ADJ version, or connect directly to the output capacitor for fixed output versions."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable input to the regulator: high = OFF, low = ON; connect to GND to enable the regulator and do not leave this pin floating."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 gives the TO-263 five-lead pin table (pins 1 to 5) for the XH2576-3.3, which is the va"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0215,
        "at": "2026-10-27T05:51:00"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2ad99875cd6e803ca59f194483e51862.pdf",
        "pages": 22,
        "sha256": "e5e68f874b1bfac3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "TO-263-5",
      "Category": "Power Management ICs",
      "Pins": "6"
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    "appearance": {
      "contacts": {
        "quote": "Figure 26 and Figure 32). For the TO-263 style package, both the tab and pin 3 are ground and either connection may be used, as they are both part of the same copper lead frame",
        "page": 19,
        "doc": "ds.pdf",
        "material": "copper"
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          "name": "Output voltage",
          "symbol": "VOUT",
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          "source_page": 4,
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        {
          "name": "Oscillator frequency",
          "symbol": "fO",
          "kind": "electrical",
          "unit": "kHz",
          "min": 47,
          "typ": 52,
          "max": 58,
          "conditions": "TJ = 25 C",
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        {
          "name": "Oscillator frequency",
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          "name": "Saturation voltage",
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          "conditions": "IOUT = 3 A, TJ = 25 C",
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        {
          "name": "Saturation voltage",
          "symbol": "VSAT",
          "kind": "electrical",
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          "typ": null,
          "max": 2,
          "conditions": "IOUT = 3 A, applies over full operating temperature range",
          "source_page": 6,
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        {
          "name": "DC max duty cycle (ON)",
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          "unit": "%",
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        {
          "name": "Current limit",
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          "conditions": "Applies over full operating temperature range",
          "source_page": 6,
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        },
        {
          "name": "Output leakage current",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 7.5,
          "conditions": "Output = 0 V",
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          "name": "Output leakage current",
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          "conditions": "Output = -1 V",
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          "name": "Quiescent current",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
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          "name": "Standby quiescent current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 50,
          "max": 200,
          "conditions": "ON/OFF Pin = 5 V (OFF)",
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        {
          "name": "ON/OFF pin logic input level high",
          "symbol": "VIH",
          "kind": "electrical",
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          "min": 2.2,
          "typ": null,
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          "name": "ON/OFF pin logic input level high",
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          "symbol": "VIL",
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          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -40,
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          "max": 125,
          "conditions": "Recommended operating junction temperature range",
          "source_page": 3,
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        {
          "name": "Supply voltage",
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          "source_page": 3,
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          "name": "Maximum supply voltage",
          "symbol": "",
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          "unit": "V",
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          "max": 45,
          "conditions": "XH2576",
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        },
        {
          "name": "ON/OFF pin input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3 V <= V <= +VIN",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage to ground (steady-state)",
          "symbol": "",
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        {
          "name": "ESD human-body model",
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          "conditions": "HBM, per ANSI/ESDA/JEDEC JS-001",
          "source_page": 3,
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          "name": "Maximum junction temperature",
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          "source_page": 3,
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          "name": "Junction-to-ambient thermal resistance",
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          "conditions": "TO-263",
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        },
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          "name": "Junction-to-top characterization parameter",
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          "name": "Junction-to-board characterization parameter",
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        {
          "name": "Junction-to-case (bottom) thermal resistance",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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