L78L05ABZ

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  "title": "L78L05ABZ",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-92-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "STMicroelectronics",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "digikey": "497-1009-ND",
      "lcsc": "C2802522"
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      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated +5 V output. Delivers up to 100 mA with adequate heat-sinking. A 0.1 µF output capacitor is recommended for transient response and stability."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground return for input and output. Quiescent current (~6 mA max) flows out this pin."
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      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input, typically 7 V to 20 V for a 5 V output (absolute max 30 V for VO = 3.3-9 V variants). A 0.33 µF input capacitor is recommended if the regulator is located far from the supply filter."
      }
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      "at": [
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        0
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      "corner": "bottom-right",
      "source": "pad-position",
      "derived_from": "TO-92_Inline@sha256:19731cf8b8c297aa",
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  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TO-92-3",
      "Category": "PMIC",
      "Pins": "3"
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    "characteristics": {
      "version": 1,
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      "rows": [
        {
          "name": "Output voltage, TJ = 25 °C",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.8,
          "typ": 5,
          "max": 5.2,
          "conditions": "TJ = 25 °C",
          "source_page": 10,
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        {
          "name": "Output voltage over line and load",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 5.25,
          "conditions": "IO = 1 to 40 mA, VI = 7 to 20 V",
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        {
          "name": "Output voltage over load at 70 mA",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
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          "conditions": "IO = 1 to 70 mA, VI = 10 V",
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          "kind": "electrical",
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          "max": 150,
          "conditions": "VI = 7.3 to 20 V, TJ = 25 °C",
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        {
          "name": "Line regulation",
          "symbol": "∆VO",
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          "max": 100,
          "conditions": "VI = 8 to 20 V, TJ = 25 °C",
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        {
          "name": "Load regulation",
          "symbol": "∆VO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "IO = 1 to 100 mA, TJ = 25 °C",
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          "name": "Load regulation",
          "symbol": "∆VO",
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          "typ": null,
          "max": 30,
          "conditions": "IO = 1 to 40 mA, TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "TJ = 125 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change",
          "symbol": "∆Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IO = 1 to 40 mA",
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        },
        {
          "name": "Quiescent current change",
          "symbol": "∆Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VI = 8 to 20 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "µV",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "B = 10 Hz to 100 kHz, TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": 41,
          "typ": 49,
          "max": null,
          "conditions": "VI = 8 to 18 V, f = 120 Hz, IO = 40 mA, TJ = 25 °C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage (VO = 3.3 to 9 V, applies to 5 V output)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "VO = 3.3 to 9 V",
          "source_page": 4,
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        },
        {
          "name": "Output current",
          "symbol": "IO",
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          "unit": "mA",
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          "conditions": "",
          "source_page": 4,
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          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -65,
          "typ": null,
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          "conditions": "",
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          "name": "Operating junction temperature range (L78LxxAB)",
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "for L78LxxAB",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-ambient (TO-92)",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
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    {
      "mpn": "L78L05ABZZ",
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    {
      "mpn": "L78L05ABZ",
      "kind": "packaging"
    },
    {
      "mpn": "L78L05ABZACZ",
      "kind": "packaging"
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    {
      "mpn": "L78L05ABZD",
      "kind": "packaging"
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    {
      "mpn": "L78L05ABZABD",
      "kind": "packaging"
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    {
      "mpn": "L78L05ABZACD",
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    {
      "mpn": "L78L05ABZ13TR",
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  "updated_at": "2026-09-24T23:33:54.836Z"
}