Title :
Subthreshold voltage startup module for stepup DC-DC converter
Author :
Sun, Y.M. ; Wu, X.B.
Author_Institution :
Dept. of Electr. Eng., Zhejiang Univ., Hangzhou, China
Abstract :
The design of a subthreshold voltage startup module for low input voltage applications, down to 0.55 V, is introduced. The proposed startup module can generate a relatively high voltage from input to assist a stepup DC-DC converter to start. It employs a dynamic substrate biasing technique to realise subthreshold operation. The design was verified by simulation and measurement in a commercial 0.35 ??m CMOS process.
Keywords :
CMOS integrated circuits; DC-DC power convertors; CMOS process; dynamic substrate biasing technique; low input voltage applications; size 0.35 mum; stepup DC-DC converter; subthreshold voltage startup module design;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2010.3448
