MC34063AL-D08-T

{
  "slug": "mc34063al-d08-t",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC(Unisonic Tech) DC-DC Converters, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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  "component": {
    "mpn": "MC34063AL-D08-T",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/810ee0202e9f4bf2a72ce22dfa184c9a.pdf",
    "parts": {
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      "lbr": "mc34063al-d08-t.lbr"
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    "distributor_links": {
      "lcsc": "C71110"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:13:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "Switch Collector",
        "type": "passive",
        "description": "Collector of the internal Darlington output switch pair; maximum switch collector voltage is 40 V."
      },
      {
        "number": "2",
        "name": "Switch Emitter",
        "type": "passive",
        "description": "Emitter of the internal Darlington output switch pair; maximum switch emitter voltage is 40 V."
      },
      {
        "number": "3",
        "name": "Timing Capacitor",
        "type": "passive",
        "description": "The value of the selected timing capacitor controls the internal oscillator run rate."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the device."
      },
      {
        "number": "5",
        "name": "Comparator Inverting Input",
        "type": "input",
        "description": "Inverting input of the comparator that sets and initiates the Darlington output switch, with a 1.25 V threshold (1.21 to 1.29 V) and an input range of -0.3 to +40 V."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin, operating from 3.0 V to 40 V with an absolute maximum of 40 V."
      },
      {
        "number": "7",
        "name": "IPEAK Sense",
        "type": "input",
        "description": "Current sense input monitoring the voltage drop across an external resistor placed in series with VCC."
      },
      {
        "number": "8",
        "name": "Driver Collector",
        "type": "passive",
        "description": "Collector of the internal Darlington driver transistor; maximum driver collector voltage is 40 V."
      }
    ],
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        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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}