UC3526ADWTR

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  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-18-300mil. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "UC3526ADWTR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-18-300mil",
    "pin_count": 18,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/uc2526a",
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    "distributor_links": {
      "lcsc": "C2865089"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:35:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    "pins": [
      {
        "number": "1",
        "name": "+ERROR",
        "type": "input",
        "description": "Non-inverting input of the transconductance error amplifier, with common-mode voltage of +5.0V for positive supplies and analog input range -0.3V to +VIN."
      },
      {
        "number": "2",
        "name": "-ERROR",
        "type": "input",
        "description": "Inverting input of the error amplifier, where the feedback divider connects, with analog input range -0.3V to +VIN."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and compensation node (2MΩ output impedance) where shunt reactance to ground sets the loop gain/frequency response."
      },
      {
        "number": "4",
        "name": "CSS",
        "type": "passive",
        "description": "Soft-start capacitor connection, charged by an internal 100µA current source (50 to 150µA) once RESET goes HIGH."
      },
      {
        "number": "5",
        "name": "RESET",
        "type": "bidirectional",
        "description": "Active-low digital port held LOW by under-voltage lockout and discharging the soft-start capacitor when pulled LOW, TTL compatible with logic thresholds of +1.1V."
      },
      {
        "number": "6",
        "name": "-CURRENT SENSE",
        "type": "input",
        "description": "Inverting input of the current limit comparator, with 100mV sense threshold and common-mode range of 0 to +12V."
      },
      {
        "number": "7",
        "name": "+CURRENT SENSE",
        "type": "input",
        "description": "Non-inverting input of the current limit comparator, with 100mV sense threshold and common-mode range of 0 to +12V."
      },
      {
        "number": "8",
        "name": "SHUTDOWN",
        "type": "bidirectional",
        "description": "Active-low digital port that immediately inhibits all PWM output pulses when pulled LOW, TTL compatible."
      },
      {
        "number": "9",
        "name": "RTIMING",
        "type": "passive",
        "description": "Oscillator timing resistor connection (2kΩ to 150kΩ) that with CT and RD sets the oscillator frequency."
      },
      {
        "number": "10",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor connection (400pF to 20µF) that carries the sawtooth waveform used for pulse width modulation."
      },
      {
        "number": "11",
        "name": "RD",
        "type": "passive",
        "description": "Deadtime resistor connection that sets output deadtime, increasing by 400ns/Ω at 40kHz, with RD = 0Ω when shorted to ground."
      },
      {
        "number": "12",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Active-low oscillator synchronization port where a LOW pulse about 0.5µs wide locks the oscillator to an external clock, TTL compatible."
      },
      {
        "number": "13",
        "name": "OUTPUT A",
        "type": "output",
        "description": "Totem-pole driver output A that sources and sinks 100mA continuously and 200mA peak."
      },
      {
        "number": "14",
        "name": "VC",
        "type": "power_in",
        "description": "Collector supply for the output drivers, 4.5V to 35V recommended and 40V maximum, with capacitor decoupling recommended."
      },
      {
        "number": "15",
        "name": "GROUND",
        "type": "power_in",
        "description": "Ground return for the device and output drivers, needing careful grounding to avoid transients from high peak sink currents."
      },
      {
        "number": "16",
        "name": "OUTPUT B",
        "type": "output",
        "description": "Totem-pole driver output B that sources and sinks 100mA continuously and 200mA peak."
      },
      {
        "number": "17",
        "name": "+VIN",
        "type": "power_in",
        "description": "Input supply voltage, 7V to 35V recommended operating and 40V maximum."
      },
      {
        "number": "18",
        "name": "VREF",
        "type": "power_out",
        "description": "Precision 5.0V band-gap reference output providing 0 to 20mA of load current, 50mA maximum."
      }
    ],
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        "url": "https://www.ti.com/cn/lit/gpn/uc2526a",
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      "pins": {
        "total": 18,
        "described": 18,
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