A system is provided for flexible power switch gate-drive power supply. The power supply includes a primary stage comprising an inverter and a voltage source, an isolator electrically coupled with outputs of the primary stage and configured to change volta...

A switching power supply, a power adapter and a charger are provided. The switching power supply comprises a current-mode PWM control unit, a transformer, and a DC power supply circuit connected in series to a power compensation auxiliary circuit. The curr...