MC34063AP1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc34063ap1g",
  "title": "MC34063AP1G",
  "brief": "onsemi DC-DC Converters, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "mc34063ap1g",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "MC34063AP1G",
    "manufacturer": "onsemi",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907224001892352",
    "parts": {
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      "lbr": "mc34063ap1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C5288",
      "digikey": "MC34063AP1GOS-ND",
      "mouser": "863-MC34063AP1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T12:53:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MC34063AP1GOS-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MC34063AP1G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Switch Collector",
        "type": "output",
        "description": "Collector of the internal output switch, rated at 40 Vdc maximum switch collector voltage with switch current up to 1.5 A."
      },
      {
        "number": "2",
        "name": "Switch Emitter",
        "type": "passive",
        "description": "Emitter of the internal output switch, rated at 40 Vdc maximum switch emitter voltage (VPin 1 = 40 V)."
      },
      {
        "number": "3",
        "name": "Timing Capacitor",
        "type": "passive",
        "description": "Connection for the timing capacitor CT that sets the oscillator frequency and on/off times."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "5",
        "name": "Comparator Inverting Input",
        "type": "input",
        "description": "Inverting input of the comparator against the internal 1.25 V reference, with comparator input voltage range of -0.3 V to +40 Vdc."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; power supply voltage is rated at 40 Vdc maximum, with operation from 3.0 V to 40 V input."
      },
      {
        "number": "7",
        "name": "Ipk Sense",
        "type": "input",
        "description": "Current-limit sense input; the current limit sense voltage is 300 mV typical (250 mV to 350 mV)."
      },
      {
        "number": "8",
        "name": "Driver Collector",
        "type": "output",
        "description": "Collector of the internal driver stage, rated at 40 Vdc maximum driver collector voltage and 100 mA maximum driver collector current."
      }
    ],
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        "at": "2026-10-14T12:52:55"
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "DIP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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          "name": "Frequency (VPin 5 = 0 V, CT = 1.0 nF, TA = 25°C)",
          "symbol": "fosc",
          "kind": "electrical",
          "unit": "kHz",
          "min": 24,
          "typ": 33,
          "max": 42,
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          "source_page": 3,
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        {
          "name": "Charge Current",
          "symbol": "Ichg",
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          "unit": "A",
          "min": 24,
          "typ": 35,
          "max": 42,
          "conditions": "VCC = 5.0 V to 40 V, TA = 25°C",
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        {
          "name": "Discharge Current",
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          "kind": "electrical",
          "unit": "A",
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          "typ": 220,
          "max": 260,
          "conditions": "VCC = 5.0 V to 40 V, TA = 25°C",
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          "unit": "−",
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          "typ": 6.5,
          "max": 7.5,
          "conditions": "Pin 7 to VCC, TA = 25°C",
          "source_page": 3,
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        },
        {
          "name": "Current Limit Sense Voltage",
          "symbol": "Vipk(sense)",
          "kind": "electrical",
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          "min": 250,
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        {
          "name": "Saturation Voltage, Darlington Connection",
          "symbol": "VCE(sat)",
          "kind": "electrical",
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          "min": null,
          "typ": 1,
          "max": 1.3,
          "conditions": "ISW = 1.0 A, Pins 1, 8 connected",
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        {
          "name": "Saturation Voltage (non-Darlington, Note 6)",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.45,
          "max": 0.7,
          "conditions": "ISW = 1.0 A, RPin 8 = 82 to VCC, Forced beta 20 (symbols lost in extraction)",
          "source_page": 3,
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        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "−",
          "min": 50,
          "typ": 75,
          "max": null,
          "conditions": "ISW = 1.0 A, VCE = 5.0 V, TA = 25°C",
          "source_page": 3,
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        },
        {
          "name": "Collector Off-State Current",
          "symbol": "IC(off)",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.01,
          "max": 100,
          "conditions": "VCE = 40 V",
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        {
          "name": "Threshold Voltage (TA = 25°C)",
          "symbol": "Vth",
          "kind": "electrical",
          "unit": "V",
          "min": 1.225,
          "typ": 1.25,
          "max": 1.275,
          "conditions": "TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Threshold Voltage (over temperature)",
          "symbol": "Vth",
          "kind": "electrical",
          "unit": "V",
          "min": 1.21,
          "typ": null,
          "max": 1.29,
          "conditions": "TA = Tlow to Thigh",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Threshold Voltage Line Regulation (MC34063 row)",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.4,
          "max": 5,
          "conditions": "VCC = 3.0 V to 40 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": -20,
          "max": -400,
          "conditions": "Vin = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VCC = 5.0 V to 40 V, CT = 1.0 nF, Pin 7 = VCC, VPin 5 > Vth, Pin 2 = GND, remaining pins open",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltage",
          "symbol": "VCC",
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          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Comparator Input Voltage Range",
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          "unit": "Vdc",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Switch Collector Voltage",
          "symbol": "VC(switch)",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Switch Emitter Voltage",
          "symbol": "VE(switch)",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "VPin 1 = 40 V",
          "source_page": 2,
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        },
        {
          "name": "Switch Collector to Emitter Voltage",
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          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
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        {
          "name": "Driver Collector Voltage",
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          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
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        },
        {
          "name": "Driver Collector Current",
          "symbol": "IC(driver)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Switch Current",
          "symbol": "ISW",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation (P, P1 suffix, PDIP-8)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (P, P1 suffix, PDIP-8)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 115,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "MC34063A, SC34063A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operation Input Voltage Range (Features)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 40,
          "conditions": "Features bullet: Operation from 3.0 V to 40 V Input",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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    "email": "[email protected]"
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