Control device for a switching converter and related...

Details Control device for a switching converter and related... Control device for a switching converter and related...

2006-10-26

2009-10-27

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

C323S288000, C323S283000

Reexamination Certificate

active

07609036

ABSTRACT:
A control device for a switching converter having an input terminal, an output terminal, a semi-bridge of a first and second transistor coupled between the input terminal and a reference voltage, includes a first circuit for driving the first transistor and a second circuit for driving the second transistor. The converter further includes a bootstrap circuit for powering the first drive circuit. The bootstrap circuit includes a capacitor coupled between a supply voltage and the common terminal of the first and second transistors. The control device acts upon the second transistor to assure the charging of the capacitor.

REFERENCES:
patent: 5627460 (1997-05-01), Bazinet et al.
patent: 7138786 (2006-11-01), Ishigaki et al.
patent: 7145316 (2006-12-01), Galinski, III
patent: 7199561 (2007-04-01), Noma

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