12V VR efficiency improvement based on two-stage approach and a novel gate driver

PESC Record - IEEE Annual Power Electronics Specialists Conference

Volumn 2005, Issue , 2005, Pages 2635-2641

  Ren, Yuancheng ^a   Xu, Ming ^a   Meng, Yu ^a   Lee, Fred C ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

Author keywords

Gate driver; Two stage VR

Indexed keywords

GATE DRIVE LOSS; SWITCHING LOSS;

CAPACITORS; DIODE AMPLIFIERS; MICROPROCESSOR CHIPS; SWITCHING CIRCUITS;

FIELD EFFECT TRANSISTORS;

EID: 33847725204     PISSN: 02759306     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/PESC.2005.1582005     Document Type: Conference Paper

References (13)

1. Yuancheng Ren, Kaiwei Yao, Ming Xu and Fred C. Lee, "The Analysis of the Power Delivery Path from 12V VR to the Microprocessor," in Proc. IEEE APEC, 2004.
2. X. Zhou, X. Zhang, J. Liu, P. Wong, J. Chen, H. Wu, L. Amoroso, F. C. Lee, and D. Chen, "Investigation of Candidate VRM Topologies for Fututre Microprocessors," IEEE APEC, 1998.
3. Y. Panvo and M. M. Jovanovic, "Design Consideration for 12-V/1.5-V, 50-A Voltage Regulator Modules," IEEE APEC, 2000.
4. R. Miftakhutdinov, "Optimal Design of Interleaved Synchronous Buck Converter at High Slew-Rate Load Current Transients," IEEE PESC, 2001.
5. P. Xu, J. Wei and F.C. Lee, "The active-clamp couple-buck converter-a novel high efficiency voltage regulator module," in Proc. IEEE APEC, 2001. pp. 252-257.
6. K. Yao, Y. Meng and F.C. Lee, "A novel winding coupled buck converter for high step-down DC/DC conversion," in Proc. IEEE PESC, 2002, pp. 651-656.
7. J. Wei, P. Xu and F.C. Lee, "A high efficiency topology for 12 V VRM-push-pull buck and its integrated magnetics implementations," in Proc. IEEE APEC, 2002, pp. 679-685.
8. Yuancheng Ren, Ming Xu, Kaiwei Yao, Yu Meng and Fred C. Lee, "Two-Stage Approach for 12V VR," in Proc. IEEE APEC 2004.
9. Yuancheng Ren, Ming Xu, Fred C. Lee and Peng Xu, "The Optimal Bus Voltage Study for 12V Two-Stage VR Based on an Accurate Analytical Loss Model," in Proc. IEEE PESC 2004.
10. Duncan A. Grant and John Gowar, "Power MOSFET Theory and Applications," A Wiley-Interscience Publication, Feb. 1989.
11. D. Maksimovic, "A MOS gate drive with resonant transitions," in Proc. IEEE PESC'91 Conf., 1991, pp. 527-532.
12. Kaiwei Yao and Fred C. Lee, "A novel resonant gate driver for high frequency synchronous buck converters," IEEE Transactions on Power Electronics, Volume: 17 Issue: 2, March 2002 Page(s): 180-186.
13. Y. Chen, "Resonant gate drive techniques for power MOSFETs," Ph.D.dissertation. Virginia Polytech. Inst. And State Univ., Blacksburg, May 2000.