MC33063ADR2G

{
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  "type": "component",
  "slug": "mc33063adr2g",
  "title": "MC33063ADR2G",
  "brief": "onsemi 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",
    "mc33063adr2g"
  ],
  "component": {
    "mpn": "MC33063ADR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc33063a-d.pdf",
    "parts": {
      "symbol": "mc33063adr2g.kicad_sym",
      "footprint": "mc33063adr2g.kicad_mod",
      "model_3d": "mc33063adr2g-etched.glb",
      "model_3d_plain": "mc33063adr2g.glb",
      "model_3d_step": "mc33063adr2g-etched.step",
      "model_3d_step_plain": "mc33063adr2g.step",
      "lbr": "mc33063adr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C7296"
    },
    "pins": [
      {
        "number": "1",
        "name": "Switch Collector",
        "type": "output",
        "description": "Collector of the internal high-current NPN output switch transistor Q1. Rated 40 V, 1.5 A peak. Connects to the switching node of the boost/buck/inverting topology."
      },
      {
        "number": "2",
        "name": "Switch Emitter",
        "type": "output",
        "description": "Emitter of the internal output switch transistor Q1. Rated 40 V, 1.5 A peak. Tied to GND for step-up topology or to the switch node for step-down/inverting topologies."
      },
      {
        "number": "3",
        "name": "Timing Capacitor",
        "type": "passive",
        "description": "Oscillator timing capacitor pin (CT). External capacitor to GND sets the switching frequency (typ. 24-100 kHz, e.g. 1.0 nF ≈ 33 kHz)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground / negative power supply return."
      },
      {
        "number": "5",
        "name": "Comparator Inverting Input",
        "type": "input",
        "description": "Inverting input of the internal error comparator. Connected to the feedback divider from the regulated output; regulates when the pin reaches the 1.25 V internal reference (Vth typ 1.25 V, 1.225-1.275 V at 25 °C)."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage input, 3.0 V to 40 V. Standby supply current typically 3.2 mA (max 4.0 mA)."
      },
      {
        "number": "7",
        "name": "Ipk Sense",
        "type": "input",
        "description": "Peak switch-current sense input. External sense resistor between VCC and this pin sets the peak switch current limit; the internal comparator trips at Vipk(sense) typ. 300 mV (250-350 mV)."
      },
      {
        "number": "8",
        "name": "Driver Collector",
        "type": "output",
        "description": "Collector of the internal driver transistor Q2 that drives the base of the output switch Q1. Rated 40 V, 100 mA. Can be tied to VCC for a Darlington configuration or through a resistor to VCC/switch node for a common-emitter configuration."
      }
    ],
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      "pins": {
        "total": 8,
        "described": 8,
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        "refuses_to_fabricate": true
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    "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"
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    "models_3d": [
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        "extents_mm": [
          6,
          4.9,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6a2cb6e527edd54e",
      "rows": [
        {
          "name": "Oscillator Frequency",
          "symbol": "fosc",
          "kind": "electrical",
          "unit": "kHz",
          "min": 24,
          "typ": 33,
          "max": 42,
          "conditions": "VPin 5 = 0 V, CT = 1.0 nF, TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Charge Current",
          "symbol": "Ichg",
          "kind": "electrical",
          "unit": "A",
          "min": 24,
          "typ": 35,
          "max": 42,
          "conditions": "VCC = 5.0 V to 40 V, TA = 25°C",
          "source_page": 3,
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        },
        {
          "name": "Discharge Current",
          "symbol": "Idischg",
          "kind": "electrical",
          "unit": "A",
          "min": 140,
          "typ": 220,
          "max": 260,
          "conditions": "VCC = 5.0 V to 40 V, TA = 25°C",
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        {
          "name": "Discharge to Charge Current Ratio",
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          "kind": "electrical",
          "unit": "−",
          "min": 5.2,
          "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",
          "unit": "mV",
          "min": 250,
          "typ": 300,
          "max": 350,
          "conditions": "Ichg = Idischg, TA = 25°C",
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        },
        {
          "name": "Saturation Voltage, Darlington Connection",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "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)",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.45,
          "max": 0.7,
          "conditions": "ISW = 1.0 A, RPin 8 = 82 Ω to VCC, Forced β (symbols lost in extraction) 20",
          "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,
          "source": "datasheet"
        },
        {
          "name": "Collector Off-State Current",
          "symbol": "IC(off)",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.01,
          "max": 100,
          "conditions": "VCE = 40 V",
          "source_page": 3,
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        },
        {
          "name": "Threshold Voltage",
          "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",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.4,
          "max": 5,
          "conditions": "VCC = 3.0 V to 40 V (MC33063 row)",
          "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",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Comparator Input Voltage Range",
          "symbol": "VIR",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "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,
          "source": "datasheet"
        },
        {
          "name": "Switch Collector to Emitter Voltage",
          "symbol": "VCE(switch)",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver Collector Voltage",
          "symbol": "VC(driver)",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver Collector Current",
          "symbol": "IC(driver)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Note 1",
          "source_page": 2,
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        },
        {
          "name": "Switch Current",
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          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 2,
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        },
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          "name": "Operating Ambient Temperature Range (MC33063A, SC33063A)",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "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, SOIC package (D suffix)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, junction-to-ambient, SOIC package (D suffix)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 2,
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        }
      ]
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  "variants": [
    {
      "mpn": "MC33063ADR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC33063ADR2GDG",
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    {
      "mpn": "MC33063ADR2GPG",
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    {
      "mpn": "MC33063ADR2GP1G",
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  "updated_at": "2026-09-28T18:44:50.072Z"
}