Soft start circuit
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United States of America Patent
Stats
-
N/A
Issued Date -
Jan 9, 2003
app pub date -
Mar 25, 2002
filing date -
May 20, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
To eliminate overshoots of an output voltage from a DC/DC voltage converter (1) during start-up of the converter as well as during recovery after a short-circuit of a first and a second output terminal (5,5') of the converter, a circuit (R2, R3, R4, C1, D2) is provided for generating, during a predetermined interval, a signal that is proportional to the rate of increase of the output voltage of the converter (1) to be supplied to the input of an error amplifier (4) to be superimposed on an error signal corresponding to a difference between an actual value and a set desired value of the output voltage of the converter (1), supplied to a control circuit (3) controlling the converter (1).
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