Method and relative circuit for generating a control voltage...

Details Method and relative circuit for generating a control voltage... Method and relative circuit for generating a control voltage...

2008-07-08

2008-07-08

Richards, N. Drew (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

C327S434000, C363S127000

Reexamination Certificate

active

07397290

ABSTRACT:
A control voltage for a synchronous rectifying transistor is generated with the desired anticipation time. The anticipation time is continuously controlled with a closed-loop technique by comparing it with the duration of a reference pulse. The resulting error signal is processed and provides the necessary correction to the MOSFET gate signal to equalize the actual anticipation time to the duration of the reference pulse.

REFERENCES:
patent: 5736890 (1998-04-01), Yee et al.
patent: 5940287 (1999-08-01), Brkovic
patent: 5946207 (1999-08-01), Schoofs
patent: 6781432 (2004-08-01), Nishikawa
patent: 6903597 (2005-06-01), Tai
patent: 2002/0001204 (2002-01-01), Lentini et al.
patent: 2005/0094424 (2005-05-01), Rivet

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