MC34063AD

{
  "slug": "mc34063ad",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "mc34063ad",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "component": {
    "mpn": "MC34063AD",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/mc33063a",
    "parts": {
      "symbol": "mc34063ad.kicad_sym",
      "footprint": "mc34063ad.kicad_mod",
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      "model_3d_step": "mc34063ad-etched.step",
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      "lbr": "mc34063ad.lbr"
    },
    "distributor_links": {
      "lcsc": 2873086,
      "mouser": "595-MC34063AD"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T01:53:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "595-MC34063AD",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Switch Collector",
        "type": "output",
        "description": "High-current internal switch collector output with maximum voltage rating of 40 V; provides switching stage output for DC-DC conversion topologies."
      },
      {
        "number": "2",
        "name": "Switch Emitter",
        "type": "output",
        "description": "High-current internal switch emitter output with maximum voltage rating of 40 V; provides return path for the switching stage."
      },
      {
        "number": "3",
        "name": "Timing Capacitor",
        "type": "passive",
        "description": "Attach an external timing capacitor to set the oscillator frequency; frequency is inversely proportional to capacitor value."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "Comparator Inverting Input",
        "type": "input",
        "description": "Comparator inverting input for feedback from resistor divider network; internal threshold voltage is 1.25 V with 2% accuracy."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic and driver supply voltage with operating range from 3 V to 40 V; should be tied to input voltage VIN."
      },
      {
        "number": "7",
        "name": "IPK",
        "type": "input",
        "description": "Current-limit sense input with threshold voltage of 250 mV to 350 mV; monitors internal switch current for short-circuit and overcurrent protection."
      },
      {
        "number": "8",
        "name": "Driver Collector",
        "type": "output",
        "description": "Darlington pair driver collector output to drive external high-current switch transistor; maximum collector current is 100 mA."
      }
    ],
    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 32,
        "cost_usd": 0.145,
        "at": "2026-10-03T01:52:50"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/mc33063a",
        "pages": 32,
        "sha256": "bad86a3b68c35766",
        "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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}