UC3845L-D08-T

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  "slug": "uc3845l-d08-t",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC(Unisonic Tech) AC-DC Controllers & Regulators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "UC3845L-D08-T",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d1f77e9f04de45b9ab124ae22f6add26.pdf",
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    "distributor_links": {
      "lcsc": "C71116"
    },
    "distributor_check": {
      "checked_at": "2026-11-08T00:28:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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    "pins": [
      {
        "number": "1",
        "name": "Compensation",
        "type": "output",
        "description": "Error amplifier output, made available for loop compensation; error amp output sink current is limited to 10 mA maximum."
      },
      {
        "number": "2",
        "name": "VFB",
        "type": "input",
        "description": "Voltage feedback, the inverting input of the error amplifier, normally connected to the power supply output through a resistor divider; input range -0.3 to +5.5 V."
      },
      {
        "number": "3",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense input where a voltage proportional to inductor current is applied so the PWM can terminate output switch conduction; input range -0.3 to +5.5 V."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "passive",
        "description": "Oscillator frequency and maximum output duty cycle are programmed by connecting resistor RT to VREF and capacitor CT to ground; operation to 1 MHz is possible."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "6",
        "name": "Output",
        "type": "output",
        "description": "Directly drives the gate of a power MOSFET, sourcing and sinking peak currents up to 1 A and switching at one-half the oscillator frequency."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; total supply and zener current (ICC+IZ) is limited to 30 mA maximum."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "Reference output of 5.0 V typical that provides charging current for capacitor CT through resistor RT."
      }
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      "pins": {
        "total": 8,
        "described": 8,
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