XH2576-5.0

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  "type": "component",
  "slug": "xh2576-5-0",
  "title": "XH2576-5.0",
  "brief": "XINLUDA XH2576 5 0 DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "xh2576-5.0"
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  "component": {
    "mpn": "XH2576-5.0",
    "manufacturer": "XINLUDA XH2576 5 0",
    "package": "TO-263-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/28c2268df7df49c9a34a54b9ca0d4218.pdf",
    "parts": {
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      "lbr": "xh2576-5-0.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input supply. Operating range 7 V to 40 V (60 V for HV version); absolute maximum 45 V. Requires a local bypass capacitor (typ. 100 uF aluminum electrolytic) close to the pin for stable operation."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "Internal 3 A NPN power switch emitter output. Connects to the external inductor and to the catch (Schottky) diode cathode; this is the switching node of the buck converter."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground and thermal reference. On the TO-263 (DDPAK) package this pin is tied to the exposed tab; PCB copper area around this pad sets thermal resistance (theta_JA = 32-73 C/W depending on copper)."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Regulation feedback input to the internal error amplifier. On the fixed 5.0 V version this pin is internally divided (R2 = 3.1 k, R1 = 1.0 k) and is connected directly to the regulated output node. On the ADJ version an external divider sets VOUT (Vref = 1.230 V)."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "TTL-compatible active-low shutdown control (bar over ON/OFF). Logic LOW (or tied to GND) enables the regulator; logic HIGH forces low-power standby (~50 uA typ). Input voltage range: -0.3 V to +VIN. Do not float."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/28c2268df7df49c9a34a54b9ca0d4218.pdf",
        "pages": 14,
        "sha256": "e75d17fa64d7c551",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 5,
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "centre_offset_mm": 0.0,
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        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xh2576-5-0-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "TO-263-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
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  "discovery_pitch": "XH2576-5.0 (XINLUDA XH2576 5 0) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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  "visibility": {
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  "updated_at": "2026-09-25T14:26:20.326Z"
}