Patent ID: 7595620
Filing Date: 2009-09-29
Classification: H02M,Y02B

Abstract:
1. A switching regulator comprising: a DC-DC converter that includes a switching device and that is arranged to provide an output voltage; a control signal generating circuit arranged to generate a pulse signal as a control signal corresponding to the output voltage of the DC-DC converter and arranged to generate a reference voltage that varies with the pulse signal of the control signal generating circuit and is in substantially opposite phase to the output voltage of the DC-DC converter, wherein the control signal generating circuit comprises: wherein the control signal generating circuit is arranged to provide the output pulse of the flip-flop as a control signal for the switching device; wherein the switching regulator further comprises a driver circuit arranged to drive the switching device based on the control signal; and wherein the driver circuit comprises an output terminal via which a signal based on an inverted signal of the control signal is outputted, the switching regulator further comprises a constant voltage source and a resistor that has one end thereof connected to the output terminal of the driver circuit via which the signal based on the inverted signal of the control signal is outputted and that has another end thereof connected to an output terminal of the constant voltage source, and a voltage at a node between the constant voltage source and the resistor is the reference voltage.