The Electrical Engineering Handbook

1

Investigation of Power Management Issues for Future Generation Microprocessors^**

Fred C. Lee and Xunwei Zhou,     Center for Power Electronics Systems, The Bradley Department of Electrical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA

1.1. Introduction

1.2. Limitations of Today’s Technologies

1.2.1. Limitations of Present VRM Topologies

•1.2.2. Limitations from Power Devices

1.3. Advanced VRM Topologies

1.3.1. Low-Input-Voltage VRM Topologies

•1.3.2. High-Input-Voltage VRM Topologies

1.3.3. A Nonisolated, High-Input-Voltage VRM Topology: The Center-Tapped Inductor VRM

1.3.4. An Isolated High-Input-Voltage VRM Topology: The Push-Pull Forward Topology

1.4. Future VRMs

1.4.1. High-Frequency ...