Voltage converter
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United States of America Patent
Stats
-
Dec 2, 2003
Grant Date -
Sep 5, 2002
app pub date -
Feb 26, 2002
filing date -
Mar 1, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a voltage converter of a flux converter type with a self-regulating synchronous rectifier in the secondary circuit related to a transformer (17), with a capacitor device (C.sub.1 ; C.sub.1, C.sub.2) being provided, for driving an active switching element (V.sub.1, V.sub.2) of the synchronous rectifier, which is charged by means of an auxiliary winding (W.sub.1, W.sub.2) of the transformer in the secondary circuit, and its charge is applied to a control terminal of the active switching element by means of a semiconductor element (D.sub.1, D.sub.2 ; 30, 32), with the capacitor device being implemented in such a way that the charge allows synchronous switching operation of the active switching element.
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