In a general aspect, an apparatus can include a first switch configured to be coupled to a power source and configured to switch in response to an edge of a control signal. The apparatus can include delay circuit can be configured to produce a delay signal that has an edge corresponding to the edge of the control signal, the edge of the delay signal being offset from the edge of the control signal. The apparatus can also include a second switch can be configured to be coupled to the power source in parallel with the first switch and configured to switch in response to the edge of the delay signal, the second switch having a size smaller than a size of the first switch.