DC to DC converter apparatus employing push-pull oscillators
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United States of America Patent
Stats
-
Dec 3, 1991
Grant Date -
N/A
app pub date -
Mar 12, 1991
filing date -
Mar 12, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A DC to DC converter employs a push-pull oscillator which employs a transformer having a primary winding and a plurality of secondary windings. The transformer has a core which is of a square loop hysteresis type. The push-pull oscillator is supplied operating voltage by means of a voltage regulator circuit which operates to regulate the voltage applied to the push-pull oscillator according to both input voltage variations and output load variations. An output secondary winding of the transformer is coupled to a full wave rectifier. The full wave rectifier output is fed back to the regulator to control the voltage applied to the push-pull oscillator via the regulator. Due to circuit operation, the output voltage is extremely well regulated while having low ripple.
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