CJU1117B-3.3

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  "title": "CJU1117B-3.3",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "package": "TO-252-2",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2206081716_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--CJU1117B-3-3_C3031942.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin. On the fixed-voltage CJU1117B-3.3, pin 1 is the device ground reference. A 10uF tantalum bypass on the input side is referenced to this pin."
      },
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        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 3.3V output pin (3.234V to 3.366V over 10mA-1A load, 4.8V <= VIN <= 12V). Requires a 22uF tantalum output capacitor for stability. Electrically shorted to the DPAK thermal tab."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input supply pin. Operating range 4.8V to 12V for the -3.3 variant (absolute max 20V). Requires a 10uF tantalum input capacitor for line-transient stability."
      },
      {
        "number": "4",
        "name": "OUTPUT (TAB)",
        "type": "power_out",
        "description": "Exposed thermal tab on the back of the TO-252-2L package. Electrically connected to OUTPUT (pin 2) and used as the primary heat-sinking path; solder to a copper pour to reach the rated RthetaJA (46 C/W with adequate copper)."
      }
    ],
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "TO-252-2",
      "Category": "PMIC",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
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          "name": "Output Voltage (CJU1117B-3.3), 25 C row",
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          "conditions": "VIN≤10V, TJ=25℃ unless otherwise specified",
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        {
          "name": "Output Voltage (CJU1117B-3.3), second row",
          "symbol": "VO",
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          "min": 3.234,
          "typ": 3.3,
          "max": 3.366,
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        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
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          "max": 1.3,
          "conditions": "ΔVREF=1%, IOUT=1.0A",
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        {
          "name": "Ripple Rejection (PSRR)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 70,
          "max": null,
          "conditions": "f=10kHz, COUT=22μF Tantalum, VIN-VOUT=3V, IOUT=1A",
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        {
          "name": "Temperature Stability",
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          "name": "Long-Term Stability",
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          "kind": "electrical",
          "unit": "%",
          "min": null,
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          "conditions": "TA=125℃, 1000h",
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        },
        {
          "name": "RMS Output Noise (% of VOUT)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.003,
          "conditions": "TA=25℃, 10Hz≤f≤10kHz",
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        },
        {
          "name": "Input Voltage (absolute maximum)",
          "symbol": "Vi",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": 20,
          "conditions": "",
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ Max",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature",
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          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
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        },
        {
          "name": "Operating Ambient Temperature",
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          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        },
        {
          "name": "ESD Voltage (Machine Model)",
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          "unit": "V",
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        },
        {
          "name": "Lead Temperature (Soldering, 10 sec.)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
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          "conditions": "10 s soldering",
          "source_page": 2,
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          "name": "Input Voltage (recommended)",
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          "unit": "V",
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          "typ": null,
          "max": 15,
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        {
          "name": "Operating Junction Temperature",
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          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Thermal Resistance from Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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