MC33063ADR

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc33063adr",
  "title": "MC33063ADR",
  "brief": "Texas Instruments DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "mc33063adr"
  ],
  "component": {
    "mpn": "MC33063ADR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/mc33063a.pdf",
    "parts": {
      "symbol": "mc33063adr.kicad_sym",
      "footprint": "mc33063adr.kicad_mod",
      "model_3d": "mc33063adr-etched.glb",
      "model_3d_plain": "mc33063adr.glb",
      "model_3d_step": "mc33063adr-etched.step",
      "model_3d_step_plain": "mc33063adr.step",
      "lbr": "mc33063adr.lbr"
    },
    "distributor_links": {
      "lcsc": "C127837"
    },
    "pins": [
      {
        "number": "1",
        "name": "Switch Collector",
        "type": "output",
        "description": "High-current internal output switch collector. Rated for up to 1.5 A switch current and 40 V collector-emitter voltage; typically tied to the boost inductor or buck catch node."
      },
      {
        "number": "2",
        "name": "Switch Emitter",
        "type": "output",
        "description": "High-current internal output switch emitter. Handles up to 1.5 A of switch current; connect to the switching node or ground depending on topology (boost/buck/inverting)."
      },
      {
        "number": "3",
        "name": "Timing Capacitor",
        "type": "passive",
        "description": "External timing capacitor (CT) node that sets the oscillator switching frequency (up to 100 kHz). Charge current ~35 uA typ, discharge ~220 uA typ."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. On the DRJ (QFN) package the exposed thermal pad is electrically bonded internally to this pin."
      },
      {
        "number": "5",
        "name": "Comparator Inverting Input",
        "type": "input",
        "description": "Inverting input of the internal error comparator, referenced to the internal 1.25 V regulator (Vth = 1.225-1.275 V). Connect to a resistor-divider feedback network from the regulator output. Input range -0.3 V to 40 V; input bias current up to -400 nA."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic supply voltage input. Operating range 3 V to 40 V (abs max 40 V). Typically tied to VIN. Supply current <= 4 mA."
      },
      {
        "number": "7",
        "name": "Ipk Sense",
        "type": "input",
        "description": "Current-limit sense input. An external sense resistor from VCC to this pin sets the peak switch current limit; internal threshold Vipk = 300 mV typ (250-350 mV)."
      },
      {
        "number": "8",
        "name": "Driver Collector",
        "type": "output",
        "description": "Darlington pair driver transistor collector. Can be tied to pin 1 for Darlington operation, or biased separately through a resistor to VCC for non-Darlington operation (lower Vce(sat) ~0.45 V). Ic(driver) abs max 100 mA at 40 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/mc33063a.pdf",
        "pages": 32,
        "sha256": "bad86a3b68c35766",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mc33063adr"
  ],
  "discovery_pitch": "MC33063ADR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc33063adr.kicad_sym",
    "mc33063adr.kicad_mod",
    "mc33063adr.glb",
    "mc33063adr.step",
    "mc33063adr-etched.step",
    "mc33063adr.lbr",
    "docs/hero.png",
    "docs/mc33063adr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MC33063ADR",
      "kind": "packaging"
    },
    {
      "mpn": "MC33063ADRD",
      "kind": "packaging"
    },
    {
      "mpn": "MC33063ADRJR",
      "kind": "packaging"
    },
    {
      "mpn": "MC33063ADRJ",
      "kind": "packaging"
    },
    {
      "mpn": "MC33063ADRP",
      "kind": "packaging"
    },
    {
      "mpn": "MC33063ADRPE4",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:44:42.228Z"
}