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US 7,377,805 B2
11
12
transformer, and condensers for smoothing voltages at input
and output sides.
28. The universal poWer supply apparatus as claimed in
claim 4, Wherein the voltage converter comprises a PWM
27. The universal poWer supply apparatus as claimed in
control IC being one of components of a SMPS circuit, a
claim 3, Wherein the voltage converter comprises a PWM
FET being a sWitching device, a diode, an inductor or a
control IC being one of components of a SMPS circuit, a 5 transformer, and condensers for smoothing voltages at input
FET being a sWitching device, a diode, an inductor or a
and output sides.
transformer, and condensers for smoothing voltages at input
and output sides.
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