Patent ID: 7262588
Filing Date: 2007-08-28
Classification: H02M,Y02B

Abstract:
1. A switching regulator, comprising: a first switching element configured to perform a switching operation in accordance with a first control signal input thereto to control an output voltage based on an input voltage; a second switching element having a size smaller than the first switching element and configured to perform a switching operation in accordance with one of the first control signal and a second control signal input thereto to control an output voltage based on the input voltage, the second switching element selectively receiving the first and second control signals; and a control circuit configured to control the first and second switching elements to perform the switching operations in one of a normal operation mode and a light load operation mode in which a current consumed by a load connected to the switching regulator is smaller than a current consumed in the normal operation mode, and control the first switching element to be turned off in the light load operation mode.