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A high efficiency full-wave rectifier in standard CMOS Technology

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3 Author(s)
Bawa, G. ; North Carolina State Univ., Raleigh ; Uei-Ming Jow ; Ghovanloo, M.

In this paper, a high efficiency full-wave integrated voltage rectifier, implemented in AMI 0.5-mum 3M/2P n-well standard CMOS process, is presented. The rectifier takes advantage of the dynamic voltage control of separated n-well regions, where the main rectifying PMOS elements have been implemented, to eliminate latchup and body effect. In measurements, an AC input sinusoid of 5 V peak at 0.5 MHz yield a 4.36 V DC output across a 1 kOmega load, resulting in a measured power conversion efficiency of 85%.

Published in:

Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on

Date of Conference:

5-8 Aug. 2007