LD7535BL

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  "type": "component",
  "slug": "ld7535bl",
  "title": "LD7535BL",
  "brief": "Leadtrend Tech AC-DC Controllers And Regulators, SOT-23-6. 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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    "power management (pmic)",
    "ld7535bl",
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  "component": {
    "mpn": "LD7535BL",
    "manufacturer": "Leadtrend Tech",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881241508614144",
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      "lbr": "ld7535bl.lbr"
    },
    "distributor_links": {
      "lcsc": "C114262"
    },
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      "checked_at": "2026-10-18T13:40:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller (the datasheet lists only 'Ground' as its function)."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "input",
        "description": "Voltage feedback pin, same as the COMP pin in UC384X, driven from a photo-coupler to close the control loop; pulling it below 1.2V turns the gate output off, and the OLP trip level is 5.0V."
      },
      {
        "number": "3",
        "name": "RT",
        "type": "input",
        "description": "Sets the switching frequency through a resistor to ground, with f_SW = 65.0 × (100 kΩ / RT) kHz and a recommended range of 50 kHz to 130 kHz; the gate output turns off if RT is shorted to ground or left floating."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input that senses the MOSFET current for peak current mode control and pulse-by-pulse limit, with a maximum threshold of 0.85V and 350 ns leading-edge blanking; the gate output turns off if CS is left floating."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin with a recommended range of 11V to 25V for the LD7535 (absolute maximum 30V), UVLO thresholds of 16.0V on and 10.0V off, and OVP at 28.0V ±1.5V."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Gate drive output that drives the external power MOSFET with a typical 300mA drive capability, with the maximum duty cycle limited to 75%."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0652,
        "at": "2026-10-18T13:38:47"
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      "pins": {
        "total": 6,
        "described": 6,
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      "Package": "SOT-23-6",
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          "typ": 0.85,
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        {
          "name": "Leading Edge Blanking Time",
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          "name": "Input impedance (CS pin)",
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          "name": "Temp. Stability",
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          "conditions": "Load Capacitance=1000pF",
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          "name": "OLP Delay Time",
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          "name": "Junction Temperature",
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