CJ6211B28M

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  "title": "CJ6211B28M",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "CJ6211B28M",
    "manufacturer": "Changjing",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "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--CJ6211B28M_C2992067.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated power input. Operating range 1.8 V to 6.0 V, absolute max 7 V. Bypass with a 1 µF ceramic CIN to VSS close to the pin."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply return for the regulator. All voltages are referenced to this network ground."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "TTL-logic chip-enable input, active high. VCE high threshold ≥1.5 V (up to VIN), VCE low ≤0.3 V. B-variant integrates a pull-down resistor so the part defaults off when CE floats; driving CE low enables the internal N-channel discharge FET across VOUT-VSS (≈60 Ω typ.)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to VSS on the board."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output, 2.8 V for the '28' ordering code. Up to 700 mA (VOUT ≥ 1.8 V) / 500 mA (VOUT ≥ 0.8 V). Requires a 1 µF ceramic COUT to VSS; internal current limit and short-circuit protection to ~100 mA short current."
      }
    ],
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        "pages": 11,
        "sha256": "805289572b9842e1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
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        "refuses_to_fabricate": true
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        "centre_offset_mm": 0,
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          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
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          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
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          "max": 700,
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        {
          "name": "Input voltage",
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        {
          "name": "Output current",
          "symbol": "IOUT",
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          "conditions": "VOUT≥1.8V",
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  "discovery_pitch": "CJ6211B28M (Changjing) component page with datasheet-verified CAD.",
  "author": {
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  "variants": [
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      "mpn": "CJ6211B28MM",
      "kind": "packaging"
    },
    {
      "mpn": "CJ6211B28MN",
      "kind": "packaging"
    },
    {
      "mpn": "CJ6211B28MF",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:08:10.062Z",
  "description": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}