main
Ray Publish 0.2.1 c9846cd
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  "title": "L7809CV-DG",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "digikey": "497-14786-5-ND",
      "lcsc": "C3794"
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        "type": "power_in",
        "description": "Unregulated positive supply input (V_I). Recommended input range for a 9 V output part is roughly 11.5 V to 35 V (V_O + dropout, up to absolute-max 35 V). A 0.33 uF ceramic bypass capacitor to GND is recommended when the regulator is located far from the power supply filter."
      },
      {
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        "name": "GROUND",
        "type": "power_in",
        "description": "Common ground reference for both input and output. Also electrically connected to the mounting tab of the TO-220 package."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated +9 V output (V_O). Capable of delivering up to 1.5 A with adequate heatsinking. A 0.1 uF ceramic output capacitor is recommended for transient response."
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      "at": [
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      "Package": "TO-220",
      "Category": "PMIC",
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          "kind": "electrical",
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          "typ": 9,
          "max": 9.36,
          "conditions": "TJ = 25°C",
          "source_page": 20,
          "source": "datasheet"
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          "kind": "electrical",
          "unit": "V",
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          "typ": 9,
          "max": 9.45,
          "conditions": "IO = 5 mA to 1 A, VI = 11.5 to 22 V",
          "source_page": 20,
          "source": "datasheet"
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        {
          "name": "Line regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "VI = 11.5 to 26 V, TJ = 25°C",
          "source_page": 20,
          "source": "datasheet"
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        {
          "name": "Line regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "VI = 12 to 18 V, TJ = 25°C",
          "source_page": 20,
          "source": "datasheet"
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        {
          "name": "Load regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
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          "min": null,
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          "max": 180,
          "conditions": "IO = 5 mA to 1.5 A, TJ = 25°C",
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          "source": "datasheet"
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          "name": "Load regulation",
          "symbol": "ΔVO",
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          "unit": "mV",
          "min": null,
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          "conditions": "IO = 250 to 750 mA, TJ = 25°C",
          "source_page": 20,
          "source": "datasheet"
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        {
          "name": "Quiescent current",
          "symbol": "Id",
          "kind": "electrical",
          "unit": "mA",
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          "max": 8,
          "conditions": "TJ = 25°C",
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          "source": "datasheet"
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        {
          "name": "Quiescent current change",
          "symbol": "ΔId",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IO = 5 mA to 1 A",
          "source_page": 20,
          "source": "datasheet"
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          "name": "Quiescent current change",
          "symbol": "ΔId",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VI = 11.5 to 26 V",
          "source_page": 20,
          "source": "datasheet"
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        {
          "name": "DC input voltage (for VO = 5 to 18 V)",
          "symbol": "VI",
          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "for VO = 5 to 18 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range (L78xxC, L78xxAC)",
          "symbol": "TOP",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
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        {
          "name": "Storage temperature range",
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          "kind": "absolute_maximum",
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          "typ": null,
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          "conditions": "",
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        {
          "name": "Thermal resistance junction-case (TO-220)",
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          "unit": "°C/W",
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          "name": "Thermal resistance junction-ambient (TO-220)",
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          "kind": "thermal",
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          "typ": 50,
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          "source": "datasheet"
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          "name": "Input voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": 35,
          "conditions": "for VO = 5 to 18 V",
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  "author": {
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  "variants": [
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      "mpn": "L7809CV-DG",
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      "mpn": "L7809CP",
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  "updated_at": "2026-09-24T23:32:02.417Z",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}