Perkins Coie LLP
Switching mode power supply providing an over current protection with anti-surge function
A switching mode power supply preventing false triggering of an over current protection due to a surge pulse. The switching mode power supply has a switch and an inductor. An inductor current flows through the inductor. The switching mode power supply turns off the switch and meanwhile starts timing for a preset period of time when the inductor current is larger than a preset value. The switch is kept off during the preset period of time and is then turned on when the preset period of time expires.
Chengdu Monolithic Power Systems Co., Ltd.
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Yiqing Yuedong Zhiheng
Jin Chen Hu