NCP4305DDR2G

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  "type": "component",
  "slug": "ncp4305ddr2g",
  "title": "NCP4305DDR2G",
  "brief": "onsemi AC-DC Controllers and Regulators, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "NCP4305DDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp4305d-d.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin. Operating range up to 35 V (absolute max 37 V). Requires a local decoupling capacitor to GND."
      },
      {
        "number": "2",
        "name": "MIN_TOFF",
        "type": "input",
        "description": "Adjusts the minimum off-time period by connecting a resistor to ground. Input voltage range -0.3 V to VCC; current -10 to 10 mA."
      },
      {
        "number": "3",
        "name": "MIN_TON",
        "type": "input",
        "description": "Adjusts the minimum on-time period by connecting a resistor to ground. Input voltage range -0.3 V to VCC."
      },
      {
        "number": "4",
        "name": "LLD",
        "type": "input",
        "description": "Light-Load Detection input. Modulates the driver clamp level and/or disables the driver during light-load conditions. Input voltage range -0.3 V to VCC."
      },
      {
        "number": "5",
        "name": "TRIG/DIS",
        "type": "input",
        "description": "Ultrafast (7.5 ns) turn-off trigger input used to turn off the SR MOSFET in CCM applications to improve efficiency. Activates disable mode when pulled up for more than 100 μs. Input range -0.3 V to VCC."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Current sense pin - detects current flow through the SR MOSFET and/or its body diode. Basic turn-off detection threshold is 0 mV. A series resistor may decrease the turn-off threshold. Rated -4 V to 200 V dynamic (tPW = 200 ns). Reduced ESD rating vs other pins (1 kV HBM)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the SR MOSFET driver and VCC decoupling capacitor. Also ground return for MIN_TON/MIN_TOFF, LLD and TRIG timing resistors. Should be wired directly to the SR MOSFET source terminal using a Kelvin connection."
      },
      {
        "number": "8",
        "name": "DRV",
        "type": "output",
        "description": "Gate driver output for the SR MOSFET. 8 A / 4 A peak sink/source capability; 5 V clamped output enables GaN FET drive. Absolute max output -0.3 V to 17 V."
      }
    ],
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      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp4305d-d.pdf",
        "pages": 54,
        "sha256": "52605c5620289283",
        "source_tier": "mfr"
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      "pins": {
        "total": 8,
        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "NCP4305DDR2G",
      "kind": "packaging"
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    {
      "mpn": "NCP4305ADR2G",
      "kind": "unknown"
    },
    {
      "mpn": "NCP4305BDR2G",
      "kind": "unknown"
    },
    {
      "mpn": "NCP4305CDR2G",
      "kind": "unknown"
    },
    {
      "mpn": "NCP4305AMNTWG",
      "kind": "unknown"
    },
    {
      "mpn": "NCP4305DMNTWG",
      "kind": "unknown"
    },
    {
      "mpn": "NCP4305xMT",
      "kind": "unknown"
    },
    {
      "mpn": "NCP4305QDR2G",
      "kind": "unknown"
    }
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  "discovery_pitch": "NCP4305DDR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-25T02:58:58.992Z"
}