Switching device driving apparatus and DC/DC converter...

Details Switching device driving apparatus and DC/DC converter... Switching device driving apparatus and DC/DC converter...

2005-10-11

2005-10-11

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S285000

Reexamination Certificate

active

06954055

ABSTRACT:
A switching device driving apparatus has a driver for controlling, according to an input signal, the on/off states of a pair of field-effect transistors connected in series between a first supply voltage and a second supply voltage lower than the first supply voltage, and a detector for detecting the on/off states of body diodes attached respectively to the field-effect transistors. Only after either of the body diodes is detected being on are the field-effect transistors respectively turned on to produce an output corresponding to the input signal. This makes it possible to securely prevent the two FETs from being turned on simultaneously independently of their characteristics and type.

REFERENCES:
patent: 4910416 (1990-03-01), Salcone
patent: 5757173 (1998-05-01), Agiman
patent: 6781354 (2004-08-01), Zhang
patent: 2003/0141856 (2003-07-01), Kimura
patent: 06-253537 (1994-09-01), None

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