求翻译：本文首先介绍了降压型DC-DC转换器的发展历程以及未来的发展趋势。然后分析了电压模式BUCK型DC-DC变换器的工作原理，并以此为基础分析了DC-DC变换器的系统组成、工作原理，推导了各部分的传递函数。是什么意思？

This paper first introduces the development process of the step-down dc-dc converter and the future development trend. And then analyze the working principle of a voltage mode buck type dc-dc converters, dc-dc converter system as the basis for analysis of composition, the working principle of deriva

This article first describes the buck-converter DC DC - course of development, as well as future trends. And then analyze the Voltage Mode BUCK DC - DC transducers in the theory of operation, and use it as the basis for analysis of the DC - DC Transducer System composition, theory, derived from the

This article first introduced the voltage dropping resistor DC-DC switch development course as well as the future trend of development.Then has analyzed voltage pattern BUCK the DC-DC converter principle of work, and has analyzed the DC-DC converter system composition, the principle of work take thi

This article first describes the history of buck DC-DC converter, and future trends. And analysis of working principle of voltage-mode BUCK DC-DC converter, and based on this analysis of the DC-DC converter system, how it works, parts of the derivation of the transfer function.

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