An auto-selectable-frequency pulse-width modulator for buck converters with improved light-load efficiency

Digest of Technical Papers - IEEE International Solid-State Circuits Conference

Volumn 51, Issue , 2008, Pages 440-626

  Man, Tsz Yin ^a   Mok, Philip K T ^a   Chan, Mansun ^a  

^a HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Hong Kong)

Author keywords

[No Author keywords available]

Indexed keywords

DC-DC CONVERTERS; EFFICIENCY; FREQUENCY MODULATION; PULSE WIDTH MODULATION; SWITCHING FREQUENCY; VOLTAGE CONTROL;

BUCK CONVERTERS; CMOS PROCESSS; LIGHT-LOAD EFFICIENCY; OUTPUT SPECTRUM; PEAK EFFICIENCY; PULSE WIDTH MODULATORS;

LIGHT MODULATORS;

EID: 49549112931     PISSN: 01936530     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ISSCC.2008.4523246     Document Type: Conference Paper

References (5)

1. P. Hazucha, G. Schrom, J. Hahn et al., "A 233-MHz 80%-87% Efficient Four-Phase DC-DC Converter Utilizing Air-Core Inductors on Package," IEEE J. Solid State Circuits, pp. 838-845, Apr. 2005.
2. M. Alimadadi, S. Sheikhaei, G. Lemieux et al., "A 3GHz Switching DC-DC Converter Using Clock-Tree Charge-Recycling in 90nm CMOS with Integrated Output Filter," ISSCC Dig. Tech. Papers, pp. 532-533, 2007.
3. S. Musunuri and P. Chapman, "Improvement of Light-Load Efficiency Using Width-Switching Scheme for CMOS Transistors," IEEE Power Electronics Letters, pp. 105-110, Sept. 2005.
4. M. D. Mulligan, B. Broach and T H. Lee, "A 3MHz Low-Voltage Buck Converter with Improved Light Load Efficiency," ISSCC Dig. Tech. Papers, pp. 528-529, 2007.
5. T. Y. Man, P. K. T. Mok and M. Chan, "A CMOS-Control Rectifier for Discontinuous-Conduction Mode Switching DC-DC Converters," ISSCC Dig. Tech. Papers, pp. 358-359, 2006.