DC-DC converter and control method thereof

Details DC-DC converter and control method thereof DC-DC converter and control method thereof

2011-05-03

2011-05-03

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

Reexamination Certificate

active

07936156

ABSTRACT:
A first power supply line and having a first conductivity type a second transistor coupled between the first transistor and a second power supply line, and having the first conductivity type an output unit driving a first control signal causing the first transistor to become conductive, based on a drive voltage, and outputting the first control signal to the first transistor and a boot strap circuit including a capacitor having a first end coupled to a node of the first transistor and the second transistor and supplying the output unit with the drive voltage based on the capacitor, wherein an electric potential of the first end is reduced before the first transistor becomes conductive.

REFERENCES:
patent: 5705919 (1998-01-01), Wilcox
patent: 6057675 (2000-05-01), Tateishi
patent: 6396251 (2002-05-01), Corva et al.
patent: 7019501 (2006-03-01), Dogome et al.
patent: 2005/0030777 (2005-02-01), Dogome et al.
patent: 2007/0236204 (2007-10-01), Tateno et al.

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