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为了保持稳压,图示的开关稳压器包括独立的电压和电流反馈环路(图1).通过禁止电压环路工作,电流环路可用来实施通用电流源.
To maintain regulation, the illustrated switching regulator includes a separate voltage and current feedback loop (Figure 1). By disabling the voltage loop operation, the current loop can be used to implement a universal current source.