Switching power supply using printed coil type transformer

Switching power supply utilizing magnetically coupled series...

Switching power supply utilizing oscillator frequency tuner...

Switching power supply utilizing switch-selectable resistors...

Switching power supply with auxiliary power supply device for in

Switching power supply with clamping circuit

Switching power supply with delay circuit for light-load period

Switching power supply with increased efficiency at light load

Switching power supply with input voltage reduction detection

Switching power supply with nonlinear characteristics at...

Switching power supply with novel common mode filter...

Switching power supply with power factor control

Switching power supply with raster width stabilization

Switching power supply with reduced energy transfer during a...

Switching power supply with smoothing circuitry for more...

Switching power supply with storage capacitance and power...

Switching power supply with surge current and surge voltage prev

Switching power supply with transfer function control circuit

Switching power supply with transistor drive circuit

Switching power supply without switching induced spike voltages