NCP1200D100R2G

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  "type": "component",
  "slug": "ncp1200d100r2g",
  "title": "NCP1200D100R2G",
  "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": "NCP1200D100R2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2309151413_onsemi-NCP1200D100R2G_C904384.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "Adj",
        "type": "input",
        "description": "Skip-cycle peak-current adjust. Sets the level below which the controller enters skip-cycle mode for light-load efficiency. Default Vskip ~1.4 V; internal output impedance ~25 kOhm."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback input; connect an optocoupler collector here to adjust the peak-current setpoint according to output power demand. Internally pulled up (Rup ~8 kOhm) to internal reference; FB-to-Ipk division ratio ~4."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense input. Senses the primary switch current via a sense resistor and routes it through a 250 ns leading-edge blanking network to the internal PWM comparator. Max internal current setpoint ~1.0 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "IC ground reference for all internal circuitry."
      },
      {
        "number": "5",
        "name": "Drv",
        "type": "output",
        "description": "Gate drive output to an external MOSFET or IGBT. +/-250 mA peak source/sink; Roh ~40 Ohm (typ), Rol ~12 Ohm (typ). Rise ~67 ns, fall ~28 ns into 1 nF."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin for the IC. Connect an external bulk capacitor of typically 10 uF. UVLO: VCCON ~9.8 V (start), VCCOFF ~11.4 V (stop during dynamic self-supply). Absolute max 16 V."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Left un-connected to ensure adequate creepage distance between the low-voltage side (VCC) and the high-voltage HV pin."
      },
      {
        "number": "8",
        "name": "HV",
        "type": "power_in",
        "description": "High-voltage start-up / self-supply pin. Connect directly to the rectified high-voltage rail; injects a constant current (~4 mA) into the VCC bulk cap to eliminate the auxiliary winding. Minimum operating voltage 30 V; max 450 V (VCC grounded) or 500 V (VCC decoupled with 10 uF)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2309151413_onsemi-NCP1200D100R2G_C904384.pdf",
        "pages": 18,
        "sha256": "6af2476d5e861a8b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "NCP1200D100R2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1200D100R2GP100G",
      "kind": "packaging"
    }
  ],
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  "discovery_triggers": [
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  "discovery_pitch": "NCP1200D100R2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "visibility": {
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  "updated_at": "2026-09-25T02:53:40.995Z"
}