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UC3525ADW +BOM

SO16 Modulating Reg PULSE WIDTH

UC3525ADW General Description

The UC3525ADW is a highly versatile and efficient pulse width modulation (PWM) controller designed specifically for power supply applications. Offering a wide input voltage range of 8V to 35V, this device is capable of driving power MOSFETs or IGBTs with up to 500mA peak current, making it suitable for a wide range of industrial and automotive applications

Key Features

  • Precision voltage reference
  • Error amplifier
  • PWM control circuit
  • Oscillator
  • PWM latch
  • Pulsed current generator
  • Soft-start circuit
  • Undervoltage lockout
  • Thermal shutdown circuit
  • 0. Frequency control with a single resistor
  • Application

    • Motor speed regulation
    • Lighting system control
    • Versatile power management

    Specifications

    Topology Boost, Buck, Flyback, Forward, Full bridge, Half bridge, Push pull Control mode Voltage
    Duty cycle (max) (%) 49 Switching frequency (max) (kHz) 500
    Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology, Soft start, Synchronization pin UVLO thresholds on/off (V) 7/6.5
    Operating temperature range (°C) 0 to 70 Rating Catalog
    Gate drive (typ) (A) 0.4 Vin (max) (V) 40

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