CJ6211A12N

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  "title": "CJ6211A12N",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Changjing",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204111630_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--CJ6211A12N_C2992063.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply reference for the regulator."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output. Fixed 1.2V nominal (per '12' MPN suffix); rated 500mA min / 700mA typ output current when VOUT >= 1.8V (300mA min / 500mA typ for VOUT >= 0.8V). Requires a >=1µF ceramic output capacitor. Internally current-limited and short-circuit protected (ISHORT ~= 100mA when VOUT is shorted to VSS)."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated power input. Operating range 1.8V to 6.0V (absolute max -0.3V to 7V). Requires a >=1µF ceramic input capacitor. Typical dropout 55mV at IOUT=100mA (VOUT=3.3V)."
      }
    ],
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      "pins": {
        "total": 3,
        "described": 3,
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        "zmin_mm": 0,
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  },
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          "name": "Input voltage",
          "symbol": "VIN",
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          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "All voltages with respect to network ground terminal",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Output current",
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          "typ": null,
          "max": 700,
          "conditions": "",
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        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 300,
          "typ": null,
          "max": 500,
          "conditions": "VOUT≥0.8V (applies to the 1.2V variant)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [
    {
      "mpn": "CJ6211A12NN",
      "kind": "packaging"
    },
    {
      "mpn": "CJ6211A12NM",
      "kind": "packaging"
    },
    {
      "mpn": "CJ6211A12NF",
      "kind": "packaging"
    }
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  "author": {
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  "visibility": "public",
  "updated_at": "2026-09-24T19:07:53.909Z",
  "description": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}