Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent
1998-12-01
1999-12-28
Berhane, Adolf Deneke
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
363 41, 363131, H02M 7217
Patent
active
060090057
ABSTRACT:
A power supply device having a transformer for generating at least one output voltage supplied to an electronic apparatus with power saving mode includes: a switching circuit connected to the transformer, a reference signal generator for generating a reference signal having a first high frequency or a second low frequency according to whether the electronic apparatus is in a normal operation mode or a power saving mode, and a PWM control circuit for generating a PWM signal to control the switching operation of the switching circuit according to the reference signal and a feedback signal from the output voltage.
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Berhane Adolf Deneke
Bushnell Esq. Robert E.
Samsung Electronics Co,. Ltd.
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