SG3525N

{
  "schema_version": 1,
  "type": "component",
  "slug": "sg3525n",
  "title": "SG3525N",
  "brief": "HGSEMI AC-DC Controllers And Regulators, DIP-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "sg3525n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SG3525N",
    "manufacturer": "HGSEMI",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603068006549504000",
    "parts": {
      "symbol": "sg3525n.kicad_sym",
      "footprint": "sg3525n.kicad_mod",
      "model_3d": "sg3525n-hero.glb",
      "model_3d_plain": "sg3525n-etched.glb",
      "model_3d_step": "sg3525n-etched.step",
      "model_3d_step_plain": "sg3525n.step",
      "lbr": "sg3525n.lbr"
    },
    "distributor_links": {
      "lcsc": "C2835212"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:42:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Inv. Input",
        "type": "input",
        "description": "Inverting input of the error amplifier; the 5.1V reference lies within the amplifier's common-mode range so no external divider is needed for it."
      },
      {
        "number": "2",
        "name": "Noninv. Input",
        "type": "input",
        "description": "Non-inverting input of the error amplifier, with input common-mode range of 1.5 to 5.2V."
      },
      {
        "number": "3",
        "name": "Sync",
        "type": "input",
        "description": "Oscillator synchronization input allowing external clock sync, with sync threshold of 1.2 to 2.8V (2V typical)."
      },
      {
        "number": "4",
        "name": "OSC. Output",
        "type": "output",
        "description": "Oscillator output providing the clock signal, with typical clock amplitude of 3V min to 4V."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor connection that sets the oscillator frequency together with RT, within a 100Hz to 500kHz range."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor connection that sets the oscillator frequency together with CT."
      },
      {
        "number": "7",
        "name": "Discharge",
        "type": "passive",
        "description": "Oscillator discharge terminal; the resistor between CT and this pin adjusts the dead time."
      },
      {
        "number": "8",
        "name": "Soft-Start",
        "type": "passive",
        "description": "Soft-start capacitor connection driven by a 50µA (51µA typical) internal current source."
      },
      {
        "number": "9",
        "name": "Compensation",
        "type": "bidirectional",
        "description": "Error amplifier output for loop compensation, feeding the PWM comparator."
      },
      {
        "number": "10",
        "name": "Shutdown",
        "type": "input",
        "description": "Shutdown input that turns off the outputs, with a threshold of 0.6 to 1.0V (0.8V typical)."
      },
      {
        "number": "11",
        "name": "Output A",
        "type": "output",
        "description": "Totem-pole output A (NOR logic, low in the off state), sourcing and sinking over 150mA."
      },
      {
        "number": "12",
        "name": "Ground",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Collector supply voltage for the output stage, rated to 40V maximum."
      },
      {
        "number": "14",
        "name": "Output B",
        "type": "output",
        "description": "Totem-pole output B (NOR logic, low in the off state), sourcing and sinking over 150mA."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, operating range 8 to 35V with 40V absolute maximum."
      },
      {
        "number": "16",
        "name": "Vref",
        "type": "power_out",
        "description": "5.1V reference output (±1%), with maximum reference output current of 50mA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603068006549504000",
        "pages": 6,
        "sha256": "73f1f5a84d20bdb8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sg3525n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sg3525n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fa70237d4673527f3e1fb2f267cf23db279274fee98b5e34b6ee8bd633318507",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "DIP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "73f1f5a84d20bdb8323824cad996fc61e4ebcd5ffe32c2e839545fae1254fcc4",
      "rows": [
        {
          "name": "Supply voltage (operating voltage range)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 8,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "Top",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "Vi",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector supply voltage",
          "symbol": "VC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Oscillator charging current",
          "symbol": "IOSC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output source current",
          "symbol": "Io",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference output current",
          "symbol": "IR",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "Tamb= 70°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature range",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference output voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 5.1,
          "max": 5.2,
          "conditions": "TJ = 25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "∆ VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 9,
          "max": 20,
          "conditions": "VCC = 8 to 35V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "∆ VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "IREF = 0 to 20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit output current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 80,
          "max": 100,
          "conditions": "VREF = 0, TJ = 25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total output variation (line, load and temperature)",
          "symbol": "∆ VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 4.95,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature stability",
          "symbol": "STT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Long-term stability",
          "symbol": "ST",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "TJ = 125℃, 1 KHRS",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Initial accuracy",
          "symbol": "ACCUR",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 3,
          "max": 6,
          "conditions": "TJ = 25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Frequency variation with voltage",
          "symbol": "∆ f/∆ VCC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.8,
          "max": 2,
          "conditions": "VCC = 8 to 35V",
          "source_page": 3,
          "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": 3,
          "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": 3,
          "source": "datasheet"
        },
        {
          "name": "Clock amplitude",
          "symbol": "V(CLK)",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Clock width",
          "symbol": "tW(CLK)",
          "kind": "electrical",
          "unit": "us",
          "min": 0.3,
          "typ": 0.6,
          "max": 1,
          "conditions": "TJ = 25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Synchronization threshold voltage",
          "symbol": "VTH(SYNC)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 2,
          "max": 2.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Synchronization input current",
          "symbol": "II(SYNC)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.3,
          "max": 2.5,
          "conditions": "Sync = 3.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.5,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input bias current",
          "symbol": "IBIAS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input offset current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Open-loop voltage gain",
          "symbol": "GVO",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 80,
          "max": null,
          "conditions": "RL ≥ 10MΩ",
          "source_page": 3,
          "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": 3,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 50,
          "typ": 60,
          "max": null,
          "conditions": "VCC = 8 to 3.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum duty cycle",
          "symbol": "D(MIN)",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "D(MAX)",
          "kind": "electrical",
          "unit": "%",
          "min": 45,
          "typ": 49,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input threshold voltage at zero duty cycle",
          "symbol": "VTH1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": 0.9,
          "max": null,
          "conditions": "Zero duty cycle",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input threshold voltage at maximum duty cycle",
          "symbol": "VTH2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.2,
          "max": 3.6,
          "conditions": "Maximum duty cycle",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft-start current",
          "symbol": "ISOFT",
          "kind": "electrical",
          "unit": "µA",
          "min": 25,
          "typ": 51,
          "max": 80,
          "conditions": "VSD = 0V, VSS = 0V",
          "source_page": 3,
          "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": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown threshold voltage",
          "symbol": "VTH(SD)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": 0.8,
          "max": 1,
          "conditions": "",
          "source_page": 3,
          "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": 3,
          "source": "datasheet"
        },
        {
          "name": "Low output voltage I",
          "symbol": "VOL I",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": 0.4,
          "conditions": "ISINK = 20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low output voltage II",
          "symbol": "VOL II",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.05,
          "max": 2,
          "conditions": "ISINK = 100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High output voltage I",
          "symbol": "VOH I",
          "kind": "electrical",
          "unit": "V",
          "min": 18,
          "typ": 19,
          "max": null,
          "conditions": "ISOURCE = 20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High output voltage II",
          "symbol": "VOH II",
          "kind": "electrical",
          "unit": "V",
          "min": 17,
          "typ": 18,
          "max": null,
          "conditions": "ISOURCE = 100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout threshold",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": 7,
          "max": 8,
          "conditions": "V8 and V9 = High",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector leakage current",
          "symbol": "ILKG",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 80,
          "max": 200,
          "conditions": "VCC = 35V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Rise time",
          "symbol": "tR",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 80,
          "max": 600,
          "conditions": "CL = 1uF, TJ = 25℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tF",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 70,
          "max": 300,
          "conditions": "CL = 1uF, TJ = 25℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 12,
          "max": 20,
          "conditions": "VCC = 35V",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sg3525n"
  ],
  "discovery_pitch": "SG3525N (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sg3525n.kicad_sym",
    "sg3525n.kicad_mod",
    "sg3525n.glb",
    "sg3525n.step",
    "sg3525n.lbr",
    "docs/hero.png",
    "docs/sg3525n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sg3525n-hero.glb",
    "sg3525n-hero.overlay.json",
    "sg3525n-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}