Microfabricated coupled inductors for DC-DC converters for microprocessor power delivery

PESC Record - IEEE Annual Power Electronics Specialists Conference

Volumn 6, Issue , 2004, Pages 4467-4472

  Prabhakaran, Satish ^a   Sullivan, Charles R ^a   O'Donnell, Terence ^b   Brunet, Magali ^b   Roy, Saibal ^b  

^a DARTMOUTH COLLEGE   (United States)

^b UNIVERSITY COLLEGE CORK   (Ireland)

Author keywords

[No Author keywords available]

Indexed keywords

COUPLED INDUCTORS; DC-DC CONVERTERS; MICROFABRICATED DEVICES; MICROPROCESSOR POWER DELIVERY;

COPPER; DIGITAL INSTRUMENTS; ELECTRIC POTENTIAL; INDUCTANCE; IRON; MAGNETIC DEVICES; MATHEMATICAL MODELS; MICROPROCESSOR CHIPS; NICKEL; SILICON; SOFTWARE PROTOTYPING; SUBSTRATES;

POWER CONVERTERS;

EID: 8744234185     PISSN: 02759306     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/PESC.2004.1354790     Document Type: Conference Paper

References (19)

1. B. Rose, "Voltage regulator technology requirements," in 4th Annual Intel technology Symposium, Sept. 1990.
2. K. H. Kim, J. Kim, H. J. Kim, S. H. Han, and H. J. Kim, "A megahertz switching DC/DC converter using FeBN thin film inductor," IEEE Transactions on Magnetics, vol. 38, pp. 3162-3164, Sept. 2002.
3. J. Boggetto, Y. Lembeye, J. Ferrieux, and J. Keradec, "Microfabricated power inductors on silicon," in 33rd Annual Power Electronics Specialists Conf., 2002.
4. M. Brunet, T. O'Donnell, J. O'Brien, P. McCloskey, and C. O'Mathuna, "Design study and fabrication techniques for high power density microtransformers," in 16th Annual IEEE Applied Power Electronics Conference and Exposition, pp. 1189-1195, 2001.
5. M. Allen, J. Y. Park, J.-W. Park, and Y.-H. Joung;, "Fabrication of high current and low profile micromachined inductor with laminated Ni/Fe core," IEEE Transactions on Magnetics, vol. 25, no. 1, pp. 106-111, 2002.
6. M. Edo, M. Gekinozu, Z. Hayashi, Y. Katayama, K. Kuroki, K. Matsuzaki, H. Nakazawa, S. Sugahara, and E. Yonezawa, "Micro DC-DC converter that integrates planar inductor on power IC," IEEE Transactions on Magnetics, vol. 36, no. 5, pp. 3518-3521, 2000.
7. V. Korenivski and R. B. van Dover, "Design of high frequency inductors based on magnetic films," IEEE Transactions on Magnetics, vol. 34, no. 4, pp. 1375-1377, 1998.
8. M. Xy, T. M. Liakopoulos, C. H. Ahn, S. H. Han, and H. J. Kim, "A microfabricated transformer for high-frequency power or signal conversion," IEEE Transactions on Magnetics, vol. 34, no. 4, pp. 1369-1371, 1998.
9. Y. Sasaki, S. Morita, T. Hatanai, A. Makino, T. Sato, and K. Yamasawa, "High frequency soft magnetic properties of nanocrystallien Fe-(Co)-Hf-O films with high electrical resistivity and their applicationto micro DC-DC converter," NanoStructured Materials, vol. 8, no. 8, pp. 1025-1032, 1997.
10. M. Mino, K. Tsukamoto, K. Yanagisawa, A. Tago, and T. Yachi, "A compact buck-converter using a thin-film inductor," in Proceedings of Applied Power Electronics Conference, APEC'96, pp. 422-426, Mar. 1996.
11. C. R. Sullivan and S. R. Sanders, "Measured performance of a high-power-density microfabricated transformer in a DC-DC converter," in 27th Annual Power Electronics Specialists Conf., vol. 1, pp. 287-294, June 1996.
12. P.-L. Wong, P. Xu, P. Yang, and F. Lee, "Investigating coupling inductors in the interleaving QSW VRM," in IEEE Applied Power Electronics Conference, pp. 973-978, Mar. 2000.
13. P.-L. Wong, P. Xu, P. Yang, and F. Lee, "Performance improvements of interleaving VRMs with coupling inductors," IEEE Transactions on Power Electronics, vol. 16, no. 4, p. 499507, 2001.
14. J. Li, C. R. Sullivan, and A. Schultz, "Coupled-inductor design optimization for fast-response low-voltage dc-dc convertesr," in 17th Annual IEEE Applied Power Electronics Conference and Exposition, 2002.
15. A. M. Schultz and C. Sullivan, "Voltage converter with coupled inductive windings, and associated methods, U.S. Patent number 6,362,986, Volterra Semiconductor Corp," 2002.
16. J. Li, A. Stratakos, and A. Schultz, "Using coupled inductors to enhance transient performance of multi-phase buck converters," in 19th Annual IEEE Applied Power Electronics Conference and Exposition, 2004.
17. P. Zumel, O. Garca, J. Cobos, and J. Uceda, "Magnetic integration for interleaved converters," in IEEE Applied Power Electronics Conference, 2002.
18. E. C. Snelling, Soft Ferrites, Properties and Applications. Butterworths, second ed., 1988.
19. G. J. Mehas, K. D. Coonley, and C. R. Sullivan, "Design of microfabricated inductors for microprocessor power delivery," in IEEE Applied Power Electronics Conference, pp. 1181-1187, Mar. 1999.