MC33269ST-3.3T3G

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  "title": "MC33269ST-3.3T3G",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "mouser": "863-MC33269ST-3.3T3G"
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    "pins": [
      {
        "number": "1",
        "name": "GND/Adj",
        "type": "power_in",
        "description": "Ground reference terminal for the fixed 3.3 V version; the datasheet labels this pin GND/Adj, and the Adj function applies only to the adjustable versions."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated 3.3 V output (3.27 V to 3.33 V at 10 mA and 25°C), which needs an output capacitor of at least 10 µF with ESR between 0.2 Ω and 10 Ω for stability."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Unregulated input supply with a maximum rating of 20 V; a bypass capacitor of 0.33 µF or larger is recommended for transient response."
      },
      {
        "number": "4",
        "name": "Vout",
        "type": "power_out",
        "description": "Heatsink surface shown as terminal 4 in the case outline, internally connected to pin 2 (Vout), so it carries the regulated output potential."
      }
    ],
    "provenance": {
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        "guard_notes": [
          "extractor flagged: The datasheet lists the SOT-223 pinout for the family as 1 GND/Adj, 2 Vout, 3 Vin, with the heatsink"
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      "pins": {
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        "described": 4,
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-223-4",
      "Category": "Power Management (PMIC)",
      "Pins": "4"
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    "characteristics": {
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          "name": "Output Voltage (3.3 Suffix)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.27,
          "typ": 3.3,
          "max": 3.33,
          "conditions": "Iout = 10 mA, TA = 25°C, VCC = 5.3 V",
          "source_page": 2,
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        {
          "name": "Output Voltage (Line, Load and Temperature, 3.3 Suffix)",
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          "kind": "electrical",
          "unit": "V",
          "min": 3.23,
          "typ": 3.3,
          "max": 3.37,
          "conditions": "(1.25 V ≤ Vin − Vout ≤ 15 V, Iout = 500 mA) or (1.35 V ≤ Vin − Vout ≤ 10 V, Iout = 800 mA)",
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        {
          "name": "Line Regulation",
          "symbol": "Regline",
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        {
          "name": "Load Regulation",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Vin = Vout + 3.0 V, Iout = 10 mA to 800 mA, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vin − Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": 1.25,
          "conditions": "Iout = 500 mA",
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        {
          "name": "Dropout Voltage",
          "symbol": "Vin − Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": 1.35,
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        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 55,
          "typ": null,
          "max": null,
          "conditions": "10 Vpp, 120 Hz sinewave; Iout = 500 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILimit",
          "kind": "electrical",
          "unit": "mA",
          "min": 800,
          "typ": null,
          "max": null,
          "conditions": "Vin − Vout = 10 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (Fixed Output)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.5,
          "max": 8,
          "conditions": "1.5 V ≤ Vout ≤ 3.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Input Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Electrostatic Discharge Sensitivity, Human Body Model",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
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          "conditions": "Human Body Model (HBM)",
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          "name": "Electrostatic Discharge Sensitivity, Machine Model",
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          "conditions": "Machine Model (MM)",
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        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
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          "conditions": "MC33269",
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        {
          "name": "Operating Die Junction Temperature Range",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Minimum Required Load Current, Fixed Output Voltage",
          "symbol": "ILoad",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "Fixed output voltage",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance, Junction-to-Ambient (SOT-223)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 156,
          "max": null,
          "conditions": "Case 318E (SOT-223), TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance, Junction-to-Case (SOT-223)",
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          "min": null,
          "typ": 15,
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          "conditions": "Case 318E (SOT-223), TA = 25°C",
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