KA3525

{
  "schema_version": 1,
  "type": "component",
  "slug": "ka3525",
  "title": "KA3525",
  "brief": "lingxingic AC-DC Controllers And Regulators, SOP-16. 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)",
    "ka3525",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "KA3525",
    "manufacturer": "lingxingic",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/62d60871de9bb07f09eca9fe2cf75209.pdf",
    "parts": {
      "symbol": "ka3525.kicad_sym",
      "footprint": "ka3525.kicad_mod",
      "model_3d": "ka3525-hero.glb",
      "model_3d_plain": "ka3525-etched.glb",
      "model_3d_step": "ka3525-etched.step",
      "model_3d_step_plain": "ka3525.step",
      "lbr": "ka3525.lbr"
    },
    "distributor_links": {
      "lcsc": "C48533493"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:15:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EA(-)",
        "type": "input",
        "description": "Error amplifier inverting input."
      },
      {
        "number": "2",
        "name": "EA(+)",
        "type": "input",
        "description": "Error amplifier non-inverting input; CMRR is specified for a common-mode voltage of 1.5 V to 5.2 V."
      },
      {
        "number": "3",
        "name": "SYNC",
        "type": "input",
        "description": "External synchronous signal input of the oscillator; sync threshold is 1.2 V min, 2 V typ, 2.8 V max."
      },
      {
        "number": "4",
        "name": "OSC OUTPUT",
        "type": "output",
        "description": "Oscillator output; clock amplitude is 3 V min and 4 V typ under RT=3.6 kΩ, CT=0.01 µF."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor access."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator timing resistor access."
      },
      {
        "number": "7",
        "name": "DISCHARGE",
        "type": "passive",
        "description": "Oscillator discharge terminal."
      },
      {
        "number": "8",
        "name": "SOFT START",
        "type": "passive",
        "description": "Soft-start capacitor access; soft-start current is 25 µA min, 51 µA typ, 80 µA max."
      },
      {
        "number": "9",
        "name": "EA_OUT",
        "type": "input",
        "description": "Input for the PWM relatively strong compensation signal."
      },
      {
        "number": "10",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "External shutdown signal input; shutdown threshold is 0.7 V min, 1.3 V typ, 1.7 V max."
      },
      {
        "number": "11",
        "name": "OUTPUT A",
        "type": "output",
        "description": "Output A; absolute maximum sink or source output current is 500 mA."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Output stage bias voltage access point; absolute maximum collector supply voltage is 40 V."
      },
      {
        "number": "14",
        "name": "OUTPUT B",
        "type": "output",
        "description": "Output B; absolute maximum sink or source output current is 500 mA."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Bias power access; absolute maximum supply voltage is 40 V, and electrical characteristics are specified at VCC=20 V."
      },
      {
        "number": "16",
        "name": "VREF",
        "type": "power_out",
        "description": "Reference voltage output of 5.0 V min, 5.1 V typ, 5.2 V max at TJ=+25 °C; absolute maximum reference output current is 50 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: Pin 10 is printed as 'SHUTDOWM' in the pin description table (page 4) and 'SHUTDOWN' in the pin conf; Pin types for CT, RT, DISCHARGE and SOFT START are not stated in the datasheet; they are classed as ; The SOP16/DIP16 pin configuration drawing on page 3 is garbled in the text extraction; the pinout wa"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0453,
        "at": "2026-10-19T07:13:23"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/62d60871de9bb07f09eca9fe2cf75209.pdf",
        "pages": 9,
        "sha256": "f68044d884e5c414",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "8d8747af837a1ab3acd5a758b49d3a0af76b70f9bfa8f973ac52f1be1c4f24b3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "lingxingic",
      "Package": "SOP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f68044d884e5c41446da14e509ed0f06b58aa40bb658197045daacaf7d15de93",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Supply Voltage",
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        {
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        {
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        {
          "name": "Oscillator Charging Current",
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          "name": "Power Dissipation",
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          "conditions": "Tamb=25℃",
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          "min": 0,
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        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
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          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Soldering Temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "10s (SOP)",
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        },
        {
          "name": "Frequency Change With Voltage",
          "symbol": "△f/△VCC",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": 0.8,
          "max": 2,
          "conditions": "VCC=8 to 35V, RT=3.6KΩ,CT=0.01uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Frequency",
          "symbol": "f(MAX)",
          "kind": "electrical",
          "unit": "KHz",
          "min": 400,
          "typ": 430,
          "max": null,
          "conditions": "RT=2KΩ,CT=470pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum Frequency",
          "symbol": "f(MIN)",
          "kind": "electrical",
          "unit": "Hz",
          "min": null,
          "typ": 60,
          "max": 120,
          "conditions": "RT=200KΩ,CT=0.1uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Clock Amplitude",
          "symbol": "V(CLK)",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 4,
          "max": null,
          "conditions": "RT=3.6KΩ,CT=0.01uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Clock Width",
          "symbol": "tW(CLK)",
          "kind": "electrical",
          "unit": "us",
          "min": 0.3,
          "typ": 0.6,
          "max": 1,
          "conditions": "RT=3.6KΩ,CT=0.01uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Sync Threshold",
          "symbol": "VTH(SYNC)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 2,
          "max": 2.8,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Sync Input Current",
          "symbol": "II(SYNC)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.3,
          "max": 2.5,
          "conditions": "Sync＝3.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.5,
          "max": 10,
          "conditions": "",
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        },
        {
          "name": "Input Bias Current",
          "symbol": "IBAIS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
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          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Open Loop Voltage Gain",
          "symbol": "GVO",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 80,
          "max": null,
          "conditions": "RL10MΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Common Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 90,
          "max": null,
          "conditions": "VCM＝1.5 to 5.2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum Duty Cycle",
          "symbol": "D(MIN)",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "D(MAX)",
          "kind": "electrical",
          "unit": "%",
          "min": 45,
          "typ": 49,
          "max": null,
          "conditions": "RT=3.6KΩ,CT=1nF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Threshold Voltage (Zero Duty Cycle)",
          "symbol": "VTH1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": 0.9,
          "max": null,
          "conditions": "Zero Duty Cycle, RT=3.6KΩ,CT=0.01uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Threshold Voltage (Max Duty Cycle)",
          "symbol": "VTH2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.2,
          "max": 3.6,
          "conditions": "Max Duty Cycle, RT=3.6KΩ,CT=0.01uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Current",
          "symbol": "ISOFT",
          "kind": "electrical",
          "unit": "uA",
          "min": 25,
          "typ": 51,
          "max": 80,
          "conditions": "VSD=0V,VSS=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Low Level Voltage",
          "symbol": "VSL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": 0.7,
          "conditions": "VSD=25V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Threshold Voltage",
          "symbol": "VTH(SD)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": 1.3,
          "max": 1.7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Input Current",
          "symbol": "IN(SD)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "VSD=2.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low Output Voltage I",
          "symbol": "VOL I",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.1,
          "max": 0.4,
          "conditions": "ISINK=20mA, RT=3.6KΩ,CT=0.1uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low Output Voltage II",
          "symbol": "VOL II",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.05,
          "max": 2,
          "conditions": "ISINK=100mA, RT=3.6KΩ,CT=0.1uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High Output Voltage I",
          "symbol": "VOH I",
          "kind": "electrical",
          "unit": "V",
          "min": 18,
          "typ": 19,
          "max": null,
          "conditions": "ISOURCE=20mA, RT=3.6KΩ,CT=0.1uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High Output Voltage II",
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          "kind": "electrical",
          "unit": "V",
          "min": 17,
          "typ": 18,
          "max": null,
          "conditions": "ISOURCE=100mA, RT=3.6KΩ,CT=0.1uF",
          "source_page": 5,
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          "name": "Reference Output Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 5.1,
          "max": 5.2,
          "conditions": "TJ=+25℃",
          "source_page": 5,
          "source": "datasheet"
        },
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          "name": "Line Regulation",
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          "unit": "mV",
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          "max": 20,
          "conditions": "VCC=8 to 35V",
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          "name": "Load Regulation",
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          "max": 100,
          "conditions": "VREF=0V,TJ=+25℃",
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          "name": "Under Voltage Lockout",
          "symbol": "VUV",
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          "unit": "V",
          "min": 6,
          "typ": 7,
          "max": 8,
          "conditions": "V8 and V9=High",
          "source_page": 6,
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          "name": "Rise Time",
          "symbol": "tR",
          "kind": "electrical",
          "unit": "us",
          "min": null,
          "typ": 80,
          "max": 600,
          "conditions": "CL=1nF,TJ=+25℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "tF",
          "kind": "electrical",
          "unit": "us",
          "min": null,
          "typ": 70,
          "max": 300,
          "conditions": "CL=1nF,TJ=+25℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 12,
          "max": 20,
          "conditions": "VCC=35V, RT=3.6KΩ,CT=1nF",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
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