TL3843BP-TUDI

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  "slug": "tl3843bp-tudi",
  "title": "TL3843BP-TUDI",
  "brief": "Tudi AC-DC Controllers And Regulators, DIP-8. 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)",
    "tl3843bp-tudi",
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  "component": {
    "mpn": "TL3843BP-TUDI",
    "manufacturer": "Tudi",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
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      "lbr": "tl3843bp-tudi.lbr"
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    "distributor_links": {
      "lcsc": "C42372701"
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      "checked_at": "2026-10-15T20:35:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output used for loop compensation, with an error amplifier output sink current absolute maximum of 10 mA."
      },
      {
        "number": "2",
        "name": "VFB",
        "type": "input",
        "description": "Inverting input of the error amplifier, normally connected to the switching supply output through a resistor divider, with analog input voltage limited to -0.3 V to 5.5 V."
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      {
        "number": "3",
        "name": "ISENSE",
        "type": "input",
        "description": "Current-sense input carrying a voltage proportional to inductor current that the PWM uses to terminate output conduction, with analog input voltage limited to -0.3 V to 5.5 V and a maximum input signal of about 1.0 V typical."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "passive",
        "description": "Oscillator timing pin where resistor RT connects to Vref and capacitor CT connects to ground, programming the oscillator frequency and maximum output duty cycle."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Combined control circuitry and power ground for the IC (listed as GROUND in the pin function table)."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "Totem-pole output that directly drives a power MOSFET gate, sourcing and sinking peak currents up to 1 A, and is low when in the off state."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin of the IC, with a supply voltage absolute maximum of 30 V from a low-impedance source."
      },
      {
        "number": "8",
        "name": "Vref",
        "type": "power_out",
        "description": "Reference output providing 5.0 V typical (4.9 V to 5.1 V at 1 mA) and the charging current for CT through RT."
      }
    ],
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    "specs": {
      "Manufacturer": "Tudi",
      "Package": "DIP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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          "max": 3.15,
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