Perkins Coie LLP
Switching charger, the control circuit and the control method thereof
A switching charger having a control circuit configured to provide a control signal; a power stage turned ON and OFF by the control signal; an inductor coupled between the power stage and a load; and an output capacitor coupled in parallel with the load; wherein the control circuit limits a current flowing through the inductor in a hysteretic window, and wherein the hysteretic window is adjusted according to an ON time of the control signal.
Chengdu Monolithic Power Systems Co., Ltd.
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Min Xiaoqing Zhengui
Xu Li Bai