Power supply apparatus for producing a constant DC voltage from

Power supply apparatus for reduction of power consumption

Power supply apparatus for suppressing attenuation of a...

Power supply apparatus for synchronizing the output voltages of

Power supply apparatus for the reduction of power consumption

Power supply apparatus for the reduction of power consumption

Power supply apparatus having AC-DC converter

Power supply apparatus having high power-factor and low distorti

Power supply apparatus having interlocking operating system

Power supply apparatus having multiple outputs

Power supply apparatus having separate plural outputs

Power supply apparatus including charge-pump type step-up...

Power supply apparatus providing plural outputs of specific...

Power supply apparatus using half-bridge circuit

Power supply apparatus with a power-saving function

Power supply apparatus with current-sharing function

Power supply apparatus with improved efficiency

Power supply apparatus with initial arcing sustaining circuit

Power supply apparatus with selective rectifier harmonic...

Power supply apparatus with unidirectional units