Isolated gate driver circuit for power switching devices

Details Isolated gate driver circuit for power switching devices Isolated gate driver circuit for power switching devices

2007-06-26

2007-06-26

Nuton, My-Trang (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S110000

Reexamination Certificate

active

11194952

ABSTRACT:
Embodiments of isolated gate driver circuits are disclosed for driving high- and low-side switching devices for half- and full-bridge power converter topology. Disclosed circuits provide sufficient dead-time, operate over a wide range of duty cycles, and require a single power supply (Vcc). Typical applications for such circuits include cold cathode fluorescent lamp (CCFL) inverters that are powered by a high voltage DC rail.

REFERENCES:
patent: 6271709 (2001-08-01), Kimura et al.
patent: 6333665 (2001-12-01), Ichikawa
patent: 6441652 (2002-08-01), Qian
patent: 6538479 (2003-03-01), Bellomo et al.
patent: 6538481 (2003-03-01), Suetsugu
patent: 6836161 (2004-12-01), Akiyama et al.

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