Comparative study of hysteretic controllers for single-phase voltage regulators
- 1 January 2008
- journal article
- Published by Institution of Engineering and Technology (IET) in IET Power Electronics
- Vol. 1 (1), 132-143
- https://doi.org/10.1049/iet-pel:20070151
Abstract
A comparative study of hysteretic controllers for single-phase voltage regulators used in low-voltage applications is presented. The voltage-mode (VM) and current-mode (CM) control schemes considered here are designed with identical specifications. The regulator performance is evaluated in aspects such as load transient response, switching frequency design and component tolerance effects. Other aspects such as complexity and cost are also considered. Experimental results are reported in order to validate the theoretical predictions. Essentially the study demonstrates that: (1) both VM and CM controllers exhibit high performance for nominal power components, (2) the operation of the CM controller is extremely robust with respect to power-component tolerance and (3) the VM controller is a simple, low-cost control solution.Keywords
This publication has 13 references indexed in Scilit:
- Issues in the Delivery of RF Current Pulses to a MicroprocessorIEEE Transactions on Power Electronics, 2007
- Load-Line Regulation With Estimated Load-Current Feedforward: Application to Microprocessor Voltage RegulatorsIEEE Transactions on Power Electronics, 2006
- Current-mode variable-frequency control architecture for high-current low-voltage DC–DC converters [Letters]IEEE Transactions on Power Electronics, 2006
- Adaptive two-loop Voltage-mode control of DC-DC switching convertersIEEE Transactions on Industrial Electronics, 2006
- Sliding-mode control for dc–dc converters with constant switching frequencyIEE Proceedings - Control Theory and Applications, 2006
- Synthesis and design of integrated-magnetic-circuit transformer for VRM applicationIEE Proceedings - Electric Power Applications, 2006
- Synthetic-Ripple Modulator for Synchronous Buck ConverterIEEE Power Electronics Letters, 2005
- Multiphase Voltage-Mode Hysteretic Controlled DC–DC Converter With Novel Current SharingIEEE Transactions on Power Electronics, 2004
- Design considerations for VRM transient response based on the output impedanceIEEE Transactions on Power Electronics, 2003
- Resonant free power network design using extended adaptive voltage positioning (EAVP) methodologyIEEE Transactions on Advanced Packaging, 2001