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13th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems
An integrated low power buck converter with a comparator controlled low-side switch
Vienna, Austria
April 14-April 16
ISBN: 978-1-4244-6612-2
| ASCII Text | x | ||
| Reinhard Enne, Horst Zimmermann, "An integrated low power buck converter with a comparator controlled low-side switch," 13th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems, pp. 84-87, 13th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems, 2010. | |||
| BibTex | x | ||
| @article{ 10.1109/DDECS.2010.5491813, author = {Reinhard Enne and Horst Zimmermann}, title = {An integrated low power buck converter with a comparator controlled low-side switch}, journal ={13th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems}, volume = {0}, year = {2010}, isbn = {978-1-4244-6612-2}, pages = {84-87}, doi = {http://doi.ieeecomputersociety.org/10.1109/DDECS.2010.5491813}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, } | |||
| RefWorks Procite/RefMan/Endnote | x | ||
| TY - CONF JO - 13th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems TI - An integrated low power buck converter with a comparator controlled low-side switch SN - 978-1-4244-6612-2 SP84 EP87 A1 - Reinhard Enne, A1 - Horst Zimmermann, PY - 2010 VL - 0 JA - 13th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems ER - | |||
Here the design of an integrated buck-converter leg is presented in which the free-wheeling diode is replaced by a comparator controlled N-MOSFET. This allows eliminating the efficiency reducing voltage drop at the diode while the discontinuous conducting mode (DCM) is still applicable. For this issue, besides the control block also a fast comparator with a special offset reduction circuit is presented. A layout for a converter bridge was done and simulated which is optimized for the best efficiency at a statistically often used point of operation (3.3V output, 27.5% duty ratio, 1MHz, 170mA).
Citation:
Reinhard Enne, Horst Zimmermann, "An integrated low power buck converter with a comparator controlled low-side switch," ddecs, pp.84-87, 13th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems, 2010
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