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Ray Set visibility: public 0eaf86b 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cj9117c33t5",
  "title": "CJ9117C33T5",
  "brief": "Changjing DC-DC Converters, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "cj9117c33t5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CJ9117C33T5",
    "manufacturer": "Changjing",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943986450419712",
    "parts": {
      "symbol": "cj9117c33t5.kicad_sym",
      "footprint": "cj9117c33t5.kicad_mod",
      "model_3d": "cj9117c33t5-hero.glb",
      "model_3d_plain": "cj9117c33t5-etched.glb",
      "model_3d_step": "cj9117c33t5-etched.step",
      "model_3d_step_plain": "cj9117c33t5.step",
      "lbr": "cj9117c33t5.lbr"
    },
    "distributor_links": {
      "lcsc": "C2829452"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:47:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Shutdown pin: driving it High (H) gives normal operation and Low (L) stops the step-up; the EN pin voltage is limited to VSS-0.3 to VSS+8 V."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage pin, with a VOUT pin voltage limit of VSS-0.3 to VSS+8 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (N.C.) on the CJ9117C SOT-23-5L variant."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "GND pin, the circuit ground reference for the converter."
      },
      {
        "number": "5",
        "name": "LX",
        "type": "passive",
        "description": "External inductor connection pin for the built-in switching MOSFET; the LX pin voltage is limited to VSS-0.3 to VSS+8 V and LX pin current to 1000 mA."
      }
    ],
    "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: MPN CJ9117C33T5 decodes to the C-type (with shutdown, LX) variant in the SOT-23-5L package (T5), so ; The LX pin type ('passive') is an engineering classification of the inductor/switch-node connection;; The datasheet gives no separate pin-level limits for NC (pin 3); its description is taken directly f"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0405,
        "at": "2026-10-17T15:45:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943986450419712",
        "pages": 12,
        "sha256": "fbc3a00f08c55c0d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cj9117c33t5.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cj9117c33t5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2e30461766e5d111cd3025ed15907e322d9ace9107968d3d1df076da75d29495",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fbc3a00f08c55c0d5d33a1c5dd4799bd5e4df74b885fb2453c4bc89b3a0d81bb",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operation start voltage",
          "symbol": "VST1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "IOUT= 1 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillation start voltage",
          "symbol": "VST2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "No external parts, voltage applied to VOUT LX pulled up to VOUT via 300Ω resistor",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current consumption 2",
          "symbol": "ISS2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "VOUT=VOUT+0.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current consumption during shutdown",
          "symbol": "ISSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching current",
          "symbol": "ISW",
          "kind": "electrical",
          "unit": "mA",
          "min": 100,
          "typ": 200,
          "max": null,
          "conditions": "VLX= 0.4 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching transistor leakage current",
          "symbol": "ISWQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "No external parts, VLX=VOUT =8 V, VEN = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVOUT1",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "VIN= 0.4×VOUT~0.6×VOUT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "IOUT= 10 µA ~ 50mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum oscillation frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VOUT= 0.95×VOUT, measure waveform at LX pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Duty ratio 1",
          "symbol": "Duty1",
          "kind": "electrical",
          "unit": "%",
          "min": 70,
          "typ": 78,
          "max": 85,
          "conditions": "VOUT= 0.95×VOUT, measure waveform at LX pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin input voltage (oscillation)",
          "symbol": "VSH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.75,
          "typ": null,
          "max": null,
          "conditions": "VOUT=0.95×VOUT, judge oscillation at LX pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin input voltage (stop)",
          "symbol": "VSL1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "VOUT= 0.95×VOUT, judge stop at LX pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin input current (high)",
          "symbol": "ISH",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VEN=6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin input current (low)",
          "symbol": "ISL",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VEN=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOUT pin voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "Referenced to VSS (printed VSS-0.3 ~ VSS+8)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN pin voltage",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "Referenced to VSS (printed VSS-0.3 ~ VSS+8)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "LX pin voltage",
          "symbol": "VLX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "Referenced to VSS (printed VSS-0.3 ~ VSS+8)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "LX pin current",
          "symbol": "ILX",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "SOT-23-5L package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "Tsolder",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Duty ratio 2",
          "symbol": "Duty2",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 66,
          "max": null,
          "conditions": "Measure waveform at LX pin with light load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Efficiency",
          "symbol": "EFFI",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 85,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "CJ9117C33T5 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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