Drive circuit for two switching converter stages in a...

Details Drive circuit for two switching converter stages in a... Drive circuit for two switching converter stages in a...

2006-01-19

2008-03-11

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

Reexamination Certificate

active

07342385

ABSTRACT:
A drive circuit is disclosed including a first feedback circuit designed to generate a first feedback signal from a first voltage to be controlled and a first reference voltage. The drive circuit further includes a signal converter designed to generate a second feedback signal from the first feedback signal such that the difference between the first feedback signal and a first amplitude value of a periodic signal approximately matches the difference between the second feedback signal and a second amplitude value of the periodic signal. The drive circuit also includes a first pulse width modulator which receives the first feedback signal and the periodic signal and generates the first pulse width-modulated signal. In addition the drive circuit includes a second pulse width modulator which receives the second feedback signal and the periodic signal and generates the second pulse width-modulated signal.

REFERENCES:
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patent: WO 02/19507 (2002-03-01), None
Tarter, Ralph E.Solid-State Power Conversion Handbook. New York: John Wiley & Sons, Inc. 1993 (p. 362).

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