Voltage up-conversion circuit using low voltage transistors

Details Voltage up-conversion circuit using low voltage transistors Voltage up-conversion circuit using low voltage transistors

2006-06-06

2008-08-05

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S288000

Reexamination Certificate

active

07408330

ABSTRACT:
According to one exemplary embodiment, a voltage up-conversion circuit includes a modulated voltage generator circuit, where the modulated voltage generator circuit is configured to receive an input voltage and generate a modulated voltage, and where the modulated voltage generator circuit includes at least one transistor. The voltage up-conversion circuit further includes a switching circuit coupled to the modulated voltage generator circuit, where the switching circuit is configured to couple the modulated voltage to a load capacitor when the modulated voltage is at a high level and decouple the modulated voltage to the load capacitor when the modulated voltage is at a low level. In the voltage up-conversion circuit, the load capacitor reaches a voltage greater a breakdown voltage of the at least one transistor in the modulated voltage generator circuit. The breakdown voltage can be a reliability breakdown voltage.

REFERENCES:
patent: 2005/0024126 (2005-02-01), Suwa et al.
patent: 2007/0063760 (2007-03-01), Stopel
Abo et al,A 1.5-V, 10-bit, 14.3-MS/s CMOS Pipeline Analog-to-Digital Converter, 34 IEEE, 599-606 (May 1999).
Cho et al,A 10 b, 20 Msample/s, 35 mW Pipeline A/D Converter, 30 IEEE, 166-172 (Mar. 1995).
Siragusa, et al,A Digital Enhanced 1.8V 15b 40MS/s CMOS Pipelined ADC, Technical Digest, 47 IEEE ISSCC (Feb. 2004).

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