Buck topology allowing step-up and polarity change

Details Buck topology allowing step-up and polarity change Buck topology allowing step-up and polarity change

2007-03-29

2010-02-09

Sterrett, Jeffrey L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S282000

Reexamination Certificate

active

07659702

ABSTRACT:
A buck topology that provides voltage step up and polarity change is disclosed. In one embodiment a converter includes an input for receiving an input voltage, a switching circuit coupled to the input for receiving a first driving signal, a floating voltage source coupled to the switching circuit for producing an offset voltage, and an output coupled to the floating voltage source for generating an output voltage. The output voltage exhibits a voltage level that is directly proportional to a duty cycle of the first driving signal.

REFERENCES:
patent: 6813173 (2004-11-01), Lipcsei
patent: 2008/0049478 (2008-02-01), Wong et al.

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