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This paper presents a modeling method for the small-signal frequency response analysis of a monolithic power integrated circuit (IC). In this method, the switching duty cycle output of the power IC is converted into a discrete-time signal by a high-speed counter during every switching period, and the power IC's control input signal is simultaneously sampled and converted into digital data using an...
The small signal model of a smart power IC is one of the most important elements for a power system design. This paper presents a measurement-based small signal modeling method for the smart power IC. This method is referred to as sampling the duty cycle output and the control signal input of the smart power IC with the ICpsilas switching frequency. The duty ratio and the control signal are converted...
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