Power supply device for outputting stable programmable power...

Power supply device for providing positive and negative DC volta

Power supply device having a switched primary power supply and c

Power supply device having two AC power inputs

Power supply device having zero switching voltage

Power supply device of switching mode with leakage current prote

Power supply device using a resonance between a leakage componen

Power supply device with improved efficiency and reduced higher

Power supply device with low power dissipation

Power supply device with reference signal generating circuit for

Power supply device with system switch circuit

Power supply device with unbalance monitoring circuit

Power supply device, control method for the power supply...

Power supply device, power supply method, portable...

Power supply distribution system employing non-isolated...

Power supply drive circuit improvement

Power supply employing circulating capacitor and method of opera

Power supply employing low power and high power series resonant

Power supply equipment with matching indicators on converter...

Power supply filter system for power supply system for a communi