UC3842 - Current Mode PWM Controller

The UC3842 IC is a current Mode PWM Controller, meaning it can be used to provide a constant current by varying the output voltage to the load. This IC features a trimmed oscillator for precise duty cycle control, a temperature compensated reference, a high gain error amplifier, a current sensing comparator, and a high current totem pole output for driving a Power MOSFET.

The UC3842 can be used to regulate or limit current in applications like SMPS, RPS, DC-DC Converters, Line voltage regulators, etc. So if you are looking for an IC to produce PWM signals for controlling a power switch based on the current flowing through the circuit, then this IC might be the right choice for you.

 

UC3842 IC Specifications

  • Current-Mode PWM controller
  • Operating Voltage: 12V to 28V
  • Output pin current: 200 mA
  • Switching Frequency: 500 kHz
  • Duty Cycle - Max: 100 %
  • Operating Supply Current:25 mA
  • Optimized for Off-line and DC-to-DC Converters
  • High-Current Totem-Pole Output

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UC3842 - Current Mode PWM Controller

  • Product Code: E1035
  • Availability: In Stock
  • MVR 20.00


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Tags: current mode pwm controller - uc3842, e1035, integrated circuits, electronic components