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Ray Set visibility: public 037c074 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cj7815",
  "title": "CJ7815",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "extractor-text"
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    "mpn": "CJ7815",
    "manufacturer": "Changjing",
    "package": "TO-252-2(DPAK)",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203525152190464",
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      "lbr": "cj7815.lbr"
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    "distributor_links": {
      "lcsc": "C139827"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:57:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input voltage, with an absolute maximum Vi of 35 V and regulation specified for 17.5 V to 30 V input, with bypass capacitor Ci 0.33 µF to be located as close to the regulator as possible."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin shared by the input and output bypass capacitors (Ci 0.33 µF, Co 0.1 µF) in the typical application circuit."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 15 V output (Vo 14.25 V to 15.75 V over 17.5 V to 30 V input and 5 mA to 1 A load), with output bypass capacitor Co 0.1 µF recommended for stability and transient response."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no electrical limit for the GND pin itself; its description is taken from the ty; The package is labeled TO-252-2L but the datasheet prints only three pins (1.IN, 2.GND, 3.OUT). Pin "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0253,
        "at": "2026-10-19T08:52:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203525152190464",
        "pages": 4,
        "sha256": "2de73eab9c17a8cf",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "TO-252-2(DPAK)",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2de73eab9c17a8cfbf914e456d27d009fe891631d901dca5d62f56d9f49bfce7",
      "rows": [
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 14.4,
          "typ": 15,
          "max": 15.6,
          "conditions": "TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 14.25,
          "typ": 15,
          "max": 15.75,
          "conditions": "17.5V≤Vi≤30V, Io=5mA-1A, P≤15W",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "∆Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 12,
          "max": 300,
          "conditions": "TJ=25℃, Io=5mA-1.5A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "∆Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 150,
          "conditions": "TJ=25℃, Io=250mA-750mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "∆Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 12,
          "max": 300,
          "conditions": "17.5V≤Vi≤30V, TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "∆Vo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 150,
          "conditions": "20V≤Vi≤26V, TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.3,
          "max": 8,
          "conditions": "TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "∆Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "17.5V≤Vi≤30V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "∆Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "5mA≤IO≤1A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage drift",
          "symbol": "△Vo/△T",
          "kind": "temperature_coefficient",
          "unit": "mV/℃",
          "min": null,
          "typ": -1,
          "max": null,
          "conditions": "IO=5mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "μV",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "10Hz≤f≤100KHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 54,
          "typ": 70,
          "max": null,
          "conditions": "18.5V≤Vi≤28.5V, f=120Hz, TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "TJ=25℃, Io=1A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output resistance",
          "symbol": "RO",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "f=1KHZ",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "Isc",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 230,
          "max": null,
          "conditions": "TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Current",
          "symbol": "Ipk",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2.1,
          "max": null,
          "conditions": "TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "Vi",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance from Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -25,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous total dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "cj7815"
  ],
  "discovery_pitch": "CJ7815 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}