New Industry Products

High-Frequency Wire-Wound Transformers for Discontinuous-Mode Flybacks

December 13, 2018 by Paul Shepard

Pulse Electronics’ Power Business Unit has introduced its new series of PA4470.XXXNL High Frequency Wire Wound Transformers.  Designed to deliver high reliability and performance, the PA4470.XXXNL is a low-power transformer for use in a discontinuous mode flyback circuit which provides both the regulation and the isolation required for datacom and industrial applications.

Applications are expected to include: Isolated power design; Sensor interfaces; Isolated telecom converters ; Power over Ethernet; Industrial controls; Motor control; and Switched-mode power supplies.

“We’re always expanding our product line to support the growing needs of our customers,” said Geoffrey Wildman, Global Marketing Manager, Pulse Power Business Unit.   “The addition of our PA4470.XXXNL High Frequency Wire Wound Transformers is a testament to our expertise in applications and engineering support.”

The new series of transformers are suited for low power isolated designs where 3.3V, 5V, and 12V is needed to be converted from 24V or 48V bus architectures. They support a variety of applications in the datacom and industrial industries.

Key Features and Benefits:

  • 5 8-Pin SMD platform
  • Power Range: Up to 1.8 W
  • Topology: Flyback
  • Isolation Voltage: 1650 Vdc
  • Easy design-in solution
  • Small board space
  • Low cost
  • No optocoupler needed