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UC3844B Datasheet High Performance Current Mode Controller

Manufacturer: onsemi

Overview: High Performance Current Mode Controllers UC3844B, UC3845B, UC2844B, UC2845B The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.

Key Features

  • consisting of input and reference undervoltage lockouts each with hysteresis, cycle.
  • by.
  • cycle current limiting, a latch for single pulse metering, and a flip.
  • flop which blanks the output off every other oscillator cycle, allowing output deadtimes to be programmed from 50% to 70%. These devices are available in an 8.
  • pin dual.
  • in.
  • line and surface mount (SOIC.
  • 8) plastic package as well as the 14.
  • pin plastic surface mount (SOIC.
  • 14.

UC3844B Distributor

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