DC/DC converter

Details DC/DC converter DC/DC converter

2005-07-26

2005-07-26

Patel, Rajnikant B. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S244000, C323S901000

Reexamination Certificate

active

06922042

ABSTRACT:
A DC/DC converter produces from an input voltage a desired output voltage by first finding the error voltage between the output voltage and a first reference voltage and then controlling the output current according to the differential voltage between the error voltage and a second reference voltage. Used as the first reference voltage is whichever of a variable reference voltage and a first constant reference voltage is lower, and used as the second reference voltage is whichever of the variable reference voltage and a second constant reference voltage is lower. With this circuit configuration, an overshoot or undershoot in the output voltage can be prevented or reduced.

REFERENCES:
patent: 5610503 (1997-03-01), Fogg et al.
patent: 6091234 (2000-07-01), Kitagawa
patent: 07-298614 (1995-11-01), None

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