Switch mode power supply with output feedback isolation

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

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363 97, 363131, H02M 3335

Patent

active

054484693

ABSTRACT:
A switch mode power supply includes a transformer and a switching transistor for turning the primary of the transformer on and off. The secondary of the transformer is connected to a comparator which compares the output voltage to a reference voltage and provides a reverse current to the switching transistor to control the duty cycle of the switching transistor in accordance with the comparison.

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Patent Abstract of Japan 56-25376 vol. 5 No. 78 May 1981.

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