Pre-regulator with light switch to limit voltage ringing on turn

Details Pre-regulator with light switch to limit voltage ringing on turn Pre-regulator with light switch to limit voltage ringing on turn

1994-11-28

1997-11-11

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323224, 363 86, H02P 1326

Patent

active

056870655

ABSTRACT:
A power integrated circuit pre-regulator AC/DC converter circuit which employs a slow turn-off lateral insulated gate bipolar transistor (LIGBT) device as the switching transistor so as to reduce the decay time of a current generated by the parasitic inductance in the circuit upon turn-off of the LIGBT device, thereby to substantially reduce the level of a ringing voltage produced at the drain of the LIGBT device.

REFERENCES:
patent: 4683529 (1987-07-01), Bucher, II
patent: 4989058 (1991-01-01), Colak et al.
patent: 5253156 (1993-10-01), Sakurai et al.
patent: 5301095 (1994-04-01), Teramoto et al.
patent: 5371667 (1994-12-01), Nakao et al.
patent: 5406192 (1995-04-01), Vinciarelli
patent: 5436824 (1995-07-01), Royner et al.
patent: 5469046 (1995-11-01), Wong et al.

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