VR transient improvement at high slew rate load - Active transient voltage compensator

IEEE Transactions on Power Electronics

Volumn 22, Issue 4, 2007, Pages 1472-1479

  Wang, Xiangcheng ^a   Batarseh, Issa ^a   Chickamenahalli, Shamala A ^b   Standford, Edward ^b  

^a University of Central Florida   (United States)

^b INTEL CORPORATION   (United States)

Author keywords

Active transient voltage compensator (ATVC); High slew rate; Load line; Synchronous buck converter; Voltage regulator (VR)

Indexed keywords

AC CURRENT; ACTIVE TRANSIENT VOLTAGE COMPENSATOR; DC CURRENT; SYNCHRONOUS BUCK CONVERTER;

CAPACITORS; ELECTRIC IMPEDANCE; ELECTRIC LOADS; ELECTRIC NETWORK TOPOLOGY; TRANSIENT ANALYSIS;

VOLTAGE REGULATORS;

EID: 34547127155     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPEL.2007.900601     Document Type: Article

References (20)

1. R. Miftakhutdinov, "Analysis and optimization of synchronous buck converter at high slewrate current transient," in Proc. IEEE Power Electron. Spec. Conf., Jun. 2000, pp. 714-721.
2. Intel Pentium 4 Processor in the 478-pin Package and Intel 845 Chipset Platform for DDR Platform Design Guide, Intel 845 Chipset [Online]. Available: http://www.intel.com/design/Pentium4/ documentation.htm
3. A. Soto et al., "Optimum control design of PWM buck topology to minimize output impedance," in Proc. IEEE Appl. Power Electron. Conf., Mar. 2002, pp. 426-432.
4. K. Yao, "Design considerations for VRM transient response based on the output impedance," in Proc. IEEE Appl. Power Electron. Conf., Mar. 2002, pp. 14-20.
5. K. Lee et al., "A novel control method for multiphase voltage regulators," in Proc. IEEE Appl. Power Electron. Conf., 2003, pp. 738-743.
6. 2 controlled buck regulator," in Proc. IEEE Power Electron. Spec. Conf., 2001, pp. 507-513.
7. A. Barrado et al., "New dc-dc converter with low output voltage and fast response," in Proc. IEEE Appl. Power Electron. Conf., Feb. 2003, pp. 432-437.
8. L. Amoroso et al., "Single shot transient suppressor (SSTS) for high current slew rate microprocessor," in Proc. IEEE Appl. Power Electron. Conf., Mar. 1999, pp. 284-288.
9. A. Consoli et al., "A new VRM topology for next generation microprocessors," in Proc. IEEE Power Electron. Spec. Conf., 2001, pp. 339-344.
10. N. K. Poon et al., "A low cost dc-dc stepping inductance voltage regulator with fast transient loading response," in Proc. IEEE Power Electron. Spec. Conf., 2001, pp. 368-272.
11. M. Hirokawa et al., "Improvement of transient response in high-current output dc-dc converters," in Proc. IEEE Power Electron. Spec. Conf., 2003, pp. 705-710.
12. T. Senanayake et al., "Multiphase voltage regulator module with current amplifier and absorption technique," in Proc. IEEE Appl. Power Electron. Conf., 2004, pp. 1269-1274.
13. L. Jieli et al., "Using coupling inductors to enhance transient performance of multi-phase buck converters," in Proc. IEEE Appl. Power Electron. Conf., 2004, pp. 1289-1293.
14. Y. Ren et al., "Two-stage approach for 12V VR," in Proc. IEEE Appl. Power Electron. Conf., 2004, pp. 1306-1312.
15. R. B. Redely, "Secondary LC filter Analysis and design techniques for current-mode-controlled converters," IEEE Trans. Power Electron., vol. PE-3, no. 4, pp. 499-507, Oct. 1988.
16. Voltage regulator-Down (VRD) 10.1 Design Guide for Desktop LGA775 Socket, 302356-003 [Online]. Available: http://www/intel.com/design/ Petium4/documentation.html
17. S. A. Chickamenahalli et al., "Effect of target impedance and control loop design on VRM stability," in Proc. IEEE Appl. Power Electron. Conf., Mar. 2002, pp. 196-202.
18. Cadence Design Systems, VTT tools 2007 [Online]. Available: http://www.cadencesystem.com/lga775.html
19. Transient voltage regulator decapacitor, HIP6200, Intersil Semiconductor, 2007.
20. S. A. Chickamenahalli et al., "Microprocessor platform impedance Characteriestization using VTT tools," in Proc. IEEE Appl. Power Electron. Conf., 2005, pp. 1466-1469.