Abstract: An electronic circuit has an output driver for providing a driving signal. The output driver has a transistor with a first main terminal, a second main terminal and a control terminal coupled to receive a control signal, a power supply terminal, an output terminal for providing the driving signal that is coupled to the second main terminal, and a sensing resistor coupled between the power supply terminal and the first main terminal. The output driver further has means for temporarily disabling the coupling between the control terminal and the control signal during a peak voltage across the sensing resistor. The means may have a circuit that has a unidirectional current behavior, such as a diode, in series with the control terminal of the transistor.

Abstract: An electronic circuit has an output driver (DRV) for providing a driving signal (U0). The output driver has a transistor (T) with a first main terminal, a second main terminal and a control terminal coupled to receive a control signal (Vcntrl), a power supply terminal (VSS), an output terminal (OUT) for providing the driving signal (U0) that is coupled to the second main terminal, and a sensing resistor (Rm) coupled between the power supply terminal (VSS) and the first main terminal. The output driver (DRV) further has means for temporarily disabling the coupling between the control terminal and the control signal (Vcntrl) during a peak voltage across the sensing resistor (Rm). The means may have a circuit that has a unidirectional current behavior, such as a diode (D), in series with the control terminal of the transistor (T).

Abstract: An electronic circuit comprising an output driver (DRV) for supplying a control signal (U0), comprising a first power supply terminal (VDD); a second power supply terminal (VSS); a signal input terminal (IN) for receiving an input signal (Ui); a signal output terminal (OUT) for supplying the control signal (U0); an output transistor (T1) having a control terminal, and having a main current path coupled between the first power supply terminal (VDD) and the signal output terminal (OUT); and a control circuit (CNTRL) responsive to the input signal (Ui) which supplies a control signal (U1) to the control terminal of the output transistor (T1), which control circuit (CNTRL) comprises a buffer (BF) having an output which is coupled to the control terminal of the output transistor (T1), and having a first power terminal which is coupled to the first power supply terminal (VDD).

Abstract: A power supply arrangement having a DC/DC converter is presented that includes a control loop on the primary side of the isolation transformer within the DC/DC converter to control the voltage on the primary winding. The energy transfer across the isolation transformer is effected via control switches that alternately charge and discharge a capacitor through the primary winding. The control loop preferably adjusts the duty cycle of these control switches to control the voltage on the primary winding.

Abstract: The invention relates to a power supply arrangement (2, 3) comprising a DC/DC converter (3) including:

Abstract: A power supply (10), comprising a rectifier (2) having an input side (3) connectable to an AC main power supply and an output side (6) connectable to a load; and a controllable shunt switch circuit (12), wherein the shunt switch circuit (12) is arranged on the input side (3) of the rectifier (2) to selectively shunt the rectifier (2) via the output side thereof.