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UC2845 - High Performance Current-Mode Controller

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Datasheet Details

Part number UC2845
Manufacturer onsemi
File Size 610.57 KB
Description High Performance Current-Mode Controller
Datasheet download datasheet UC2845 Datasheet

Overview

UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 series are high performance fixed frequency current mode controllers.

They are specifically designed for Off−Line and DC−to−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 dead times to be programmed for 50% to 70%. These devices are available in an 8.
  • pin dual.
  • in.
  • line plastic package as well as the 14.
  • pin plastic surface mount (SOIC.
  • 14). The SOIC.
  • 14 package has.

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