Switch drive controller, method of operation thereof and power c

Details Switch drive controller, method of operation thereof and power c Switch drive controller, method of operation thereof and power c

1998-11-10

2000-02-08

Han, Y. J.

Electricity: power supply or regulation systems

External or operator controlled

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

323225, 323299, G05F 500, G05F 1613

Patent

active

060231580

ABSTRACT:
For use with a power converter coupled to a regulation circuit and having a power switch and an auxiliary switch coupled thereto, a controller, method of operating the power switch and auxiliary switch and a power converter employing the controller and method. In one embodiment, the controller includes a voltage conditioning network, parallel-coupled to the power switch, capable of sensing a voltage across the power switch and developing a conditioned voltage. The controller further includes a drive circuit, coupled to the voltage conditioning network, adapted to provide a drive signal to control the auxiliary switch as a function of the conditioned voltage and a regulation control signal from the regulation circuit.

REFERENCES:
patent: 5287261 (1994-02-01), Ehasni
patent: 5461302 (1995-10-01), Garcia et al.

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