Control circuit for a DC-DC converter using a reference signal that is half a voltage level of a voltage of a battery to be charged

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.