CJ7812

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  "slug": "cj7812",
  "title": "CJ7812",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "CJ7812",
    "manufacturer": "Changjing",
    "package": "TO-252-2",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8babe80f1d4f57618ead30c9cfd79ab5.pdf",
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated positive input voltage. Operating range 14.5 V to 30 V (absolute maximum 35 V) with respect to GND. Bypass with a 0.33 µF capacitor located as close as possible to the regulator for stability."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for the input and output. On the TO-252-2L package this terminal is also fused to the exposed thermal tab (drain pad)."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated +12 V output (11.4 V to 12.6 V over temperature). Delivers up to 1.5 A peak with typical dropout of 2 V at 1.0 A. Bypass with a 0.1 µF capacitor for optimum transient response."
      }
    ],
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        "pages": 4,
        "sha256": "8c91d1a4faef8059",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
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        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
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        "centre_offset_mm": 0,
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        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
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        "sha256": "6ca30a53a7ed19a418d1028da9f2ee9c4cd974bb31d363dcdb0c03d7fb69f348",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
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      ]
    }
  },
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  "discovery_pitch": "CJ7812 (Changjing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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    "docs/hero.png",
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    "pads.json",
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  "visibility": "public",
  "updated_at": "2026-09-24T19:10:01.701Z",
  "description": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}