Integrated switch with RF transformer control

Details Integrated switch with RF transformer control Integrated switch with RF transformer control

2005-03-01

2005-03-01

Vu, Bao Q. (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S019000, C307S140000

Reexamination Certificate

active

06862196

ABSTRACT:
The invention concerns a control circuit for controlling a power switch by means of a galvanic insulation transformer, the transformer being produced in the form of planar conductive windings on an insulating substrate (20) whereon are integrated passive components constituting a high frequency excitation oscillating circuit for a primary winding of the transformer, the transformer substrate being directly mounted on a wafer (24) whereon is mounted a circuit chip (40) integrating the power switch.

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International Search Report from PCT/FR01/04136 filed Dec. 20, 2001.
Bourgeois J.M.,PCB Based Transformer for Power MOSFET Driver, Proceedings of the Annual Applied Power (APEC) Orlando, Feb. 13-17, 1994, New York, IEEE, vol. 1 conf. 9 pp. 238-244 XP000467323.
Patent Abstracts of Japan vol. 018, No. 477 (E-1602), Sep. 6, 1994, & JP 06 163282 A (Hitachi Ltd) Jun. 10, 1994.

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