Switched mode power supply
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United States of America Patent
Stats
-
Jun 17, 1986
Grant Date -
N/A
app pub date -
Nov 13, 1984
filing date -
Nov 12, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switched mode power supply, particularly for a television receiver with standby operation, including a protection circuit for limiting the current on the primary side of the power supply transformer and preferably also a protection circuit against too high a voltage on the secondary side of the transformer. According to the invention, a further protection circuit including a thyristor is provided on the primary side so as to periodically block the switching transistor of the power supply oscillator when the current on the primary side becomes too high and exceeds the limit value.
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Family
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