摘要:
A control circuit according to an embodiment of the present invention for a DC-DC converter which has an input, an output and a series connection of a differentiator, a comparator unit, and an integrator. The series connection is coupled in between the input and the output. The comparator unit has an inverting amplifier.
摘要:
A control circuit according to an embodiment of the present invention for a DC-DC converter which has an input, an output and a series connection of a differentiator, a comparator unit, and an integrator. The series connection is coupled in between the input and the output. The comparator unit has an inverting amplifier.
摘要:
The present invention provides a voltage converter circuit for the clocked supply of energy to an energy storage based on an input voltage applied at an input applied at an input of the voltage converter circuit. The voltage converter circuit includes an energy storage and a switch arrangement, wherein the switch arrangement has a first switch and a second switch which are connected in parallel to each other and coupled to the energy storage. The first switch of the switch arrangement has a smaller turn-on voltage according to amount than the second switch, wherein a control terminal of the first switch is wired up such that the first switch is active in a startup phase of the voltage converter circuit to supply energy to the energy storage, and wherein a control terminal of the second switch is wired up such that the second switch is active after the startup phase to supply energy to the energy storage in a clocked way. Further, the voltage converter circuit has a feedback circuit which is implemented to provide a feedback signal depending on a change of the energy stored in the energy storage or depending on an amount of energy stored in the energy storage, wherein the feedback circuit has a switchable coupling element which is implemented to couple the feedback signal to the control terminal of the second switch, and wherein the switchable coupling element is implemented to provide a stronger coupling effect in a startup phase than after the startup phase.
摘要:
The present invention provides a voltage converter circuit for the clocked supply of energy to an energy storage based on an input voltage applied at an input applied at an input of the voltage converter circuit. The voltage converter circuit includes an energy storage and a switch arrangement, wherein the switch arrangement has a first switch and a second switch which are connected in parallel to each other and coupled to the energy storage. The first switch of the switch arrangement has a smaller turn-on voltage according to amount than the second switch, wherein a control terminal of the first switch is wired up such that the first switch is active in a startup phase of the voltage converter circuit to supply energy to the energy storage, and wherein a control terminal of the second switch is wired up such that the second switch is active after the startup phase to supply energy to the energy storage in a clocked way. Further, the voltage converter circuit has a feedback circuit which is implemented to provide a feedback signal depending on a change of the energy stored in the energy storage or depending on an amount of energy stored in the energy storage, wherein the feedback circuit has a switchable coupling element which is implemented to couple the feedback signal to the control terminal of the second switch, and wherein the switchable coupling element is implemented to provide a stronger coupling effect in a startup phase than after the startup phase.
摘要:
The present invention provides a voltage converter circuit for the clocked supplying of energy to an energy storage, based on an input voltage present at an input of the voltage converter circuit. The voltage converter circuit comprises an energy storage and a switch assembly, the switch assembly comprising a first switch and a second switch connected in parallel and coupled to the energy storage. The first switch of the switch assembly exhibits, according to magnitude, a smaller turn-on voltage than the second switch, wherein a control terminal of the first switch is switched such that the first switch is active in a starting phase of the voltage converter circuit in order to supply the energy storage with energy, and wherein a control terminal of the second switch is switched such that the second switch is active after the starting phase in order to supply the energy storage with energy in a clocked manner.