Build or buy? That question tops the list when systems designers decide how to supply dc power at the growing number of voltage and current levels present in virtually every type of electronic system.

Voltage regulator modules (VRMs) are being called on to more than double their previous load currents to keep on top of advanced Intel processor designs in the PC desktop environment. That's sending ...

Driven by fast changing VRM specs, vendors are rushing to market with a new generation of single-chip multiphase controllers. The new offerings, which operate at up to 2 MHz per phase and can provide ...