✦ LIBER ✦

Monolithic voltage conversion in low-voltage CMOS technologies

✍ Scribed by Volkan Kursun; Vivek K. De; Eby G. Friedman; Siva G. Narendra

Book ID: 104051029
Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 100 KB
Volume: 36
Category: Article
ISSN: 0026-2692
DOI: 10.1016/j.mejo.2005.03.008

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✦ Synopsis

A high-to-low switching DC-DC converter that operates at input voltages up to two times as high as the maximum voltage permitted in a low-voltage CMOS technology is proposed in this paper. The proposed circuit technique is based on a cascode bridge that maintains the steady-state voltage differences among the terminals of all of the transistors within a range imposed by a specific low-voltage CMOS technology. An efficiency of 87.8% is achieved for 3.6-0.9 V conversion assuming a 0.18 mm CMOS technology. The DC-DC converter operates at a switching frequency of 97 MHz while supplying a DC current of 250 mA to the load.

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