Invention Grant
US08358518B2 Switching regulator having terminal for feedback signal inputting and peak switching current programming 有权
具有用于反馈信号输入和峰值切换电流编程的端子的开关调节器

Switching regulator having terminal for feedback signal inputting and peak switching current programming
Abstract:
A switching regulator of a power converter is provided and includes a feedback-input circuit, a programming circuit, and a peak-current-threshold circuit. The feedback-input circuit is coupled to a terminal of the switching regulator for receiving a feedback signal. The feedback-input circuit is operated in a first range of a terminal signal. The programming circuit is coupled to the terminal for generating a programming signal. The programming signal is operated in a second range of the feedback signal. The peak-current-threshold circuit generates a threshold signal in accordance with the programming signal. The feedback signal is coupled to regulate the output of the power converter, and the threshold signal is coupled to limit a peak switching current of the power converter.
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