EDN

How to supply, load, and test power-management circuits (Part 1 of 2)

To help power supply development, semiconductor companies offer evaluation boards which show a typical application of a power-management IC. This gives design engineers the opportunity to start their ...
EDN

Introduction to a two-transistor forward topology for 80 PLUS efficient power supplies

ATX power-supply designers tend to favor single-switch forward-converter topologies because they are simple and can power multiple, isolated outputs. However, the drawback of these approaches is that ...
Electronic Design

System-level test contends with billions of untested transistors

Why might you need semiconductor system-level test (SLT)? As Karthik Ranganathan, director for semiconductor solutions at Astronics Test Systems, points out, if you test a 22-nm, ...
Semiconductor Engineering

Power-Supply Card Targets High-Voltage PMIC Test

The electronics industry is seeing a move toward higher voltages and currents to deliver sufficient supply and charging power in products ranging from handheld cellphones and tablets to workstations.
Electronic Design

GaN Devices Raising the Output-Power Performance Bar

What are the different materials are used in creating GaN power transistors? The impact of heat on performance. A rundown of high-power RF GaN transistors currently on the market. Solid-state power ...