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UC3843B Datasheet High-performance Controller

Manufacturer: onsemi

Overview: DATA SHEET www.onsemi.com High Performance Current Mode Controllers UC3842B, UC3843B, 8 1 PDIP−8 N SUFFIX CASE 626 UC2842B, UC2843B The UC3842B, UC3843B 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 a trimmed oscillator for precise duty cycle control, 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.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • consisting of input and reference undervoltage lockouts each with hysteresis, cycle.
  • by.
  • cycle current limiting, programmable output deadtime, and a latch for single pulse metering. 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). The SOIC.
  • 14 package has separate power and ground pins for the totem pole output stage. The UCX84.

UC3843B Distributor

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