CJ6101A39M

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  "title": "CJ6101A39M",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Changjing",
    "package": "SOT-23-3L",
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    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2202131900_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--CJ6101A39M_C2829341.pdf",
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      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground / negative supply return. Connect to system ground; all voltages are referenced to this pin."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated positive output, fixed 3.9 V (A39 suffix) at up to 300 mA. Requires a 1 µF (ceramic or tantalum) output capacitor from VOUT to VSS close to the pin for loop stability and transient response."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated positive supply input, 1.8 V to 8 V (absolute max 9 V). Bypass with a 1 µF ceramic capacitor to VSS; a small series resistor (~3 Ω) with an X5R MLCC is recommended to suppress start-up voltage spikes when hot-plugging to a live source."
      }
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 3,
        "described": 3,
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  },
  "metadata": {
    "characteristics": {
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      "rows": [
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 550,
          "typ": 700,
          "max": 850,
          "conditions": "VOUT=0.5 x VOUT(Normal), VIN=5V",
          "source_page": 3,
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        {
          "name": "Input voltage",
          "symbol": "VIN",
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          "max": 9,
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        {
          "name": "Input voltage",
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  "variants": [
    {
      "mpn": "CJ6101A39MM",
      "kind": "packaging"
    },
    {
      "mpn": "CJ6101A39MP",
      "kind": "packaging"
    },
    {
      "mpn": "CJ6101A39MF",
      "kind": "packaging"
    }
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  "author": {
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  "updated_at": "2026-09-24T19:06:42.022Z",
  "description": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}