Apparatus for compnsating output voltage

Abstract

An apparatus for compensating output voltage includes a DC-DC conversion IC, a step-up/down transforming circuit, a current detection resistor and a voltage feedback point, wherein in the step-up/down transforming circuit, the current detection resistor is connected in series to a ground end of the DC-DC conversion IC, and voltage drop is produced as supplying current flows through the current detection resistor, thereby utilizing the voltage drop to step up a reference voltage within the DC-DC conversion IC so that the DC-DC conversion IC can regulate output voltage of the step-up/down transforming circuit for a purpose of voltage compensation.

Dependencies are inferred from the claim text.