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UC3845D Datasheet High Performance Current-Mode Controller

Manufacturer: onsemi

Download the UC3845D datasheet PDF. This datasheet also includes the UC3844 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (UC3844_ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UC3845D
Manufacturer onsemi
File Size 642.70 KB
Description High Performance Current-Mode Controller
Download UC3845D Download (PDF)

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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