By: Robert Schillinger and Dr. Richard Blakey, Wuerth Elektronik
The USB connector and standard are one of the most widely implemented and successful interfaces ever used. The applications are commercial and industrial, and both have been pushing the standard to be faster. The USB standard has been updated to version 3.1. This standard increases data transfer speeds to 5
Randy Skinner, Staff Product Marketing Engineer, Lattice Semiconductor
For some designs, reducing circuit-board power dissipation by 25% to 30% would just be a nice outcome. For other designs, it's an absolute necessity.
Designers of products using the latest high-performance
Figure 1: One-Stage Approach: The driver converts an AC-rectified line voltage to the necessary DC current through a flyback transformer and filter. Unfortunately, the rectified voltage contains ripple at twice the line frequency (100 or 120 Hz).