This thesis begins with the introduction of the basic step-down DC-DC converter, then some control methods and key system specifications.

本文首先从DC-DC变换器的工作原理入手，介绍了系统的基本控制原理和指标要求。

youdao

Excellent as DC-DC converter used in notebooks computers, PDA and mobile handphones. Step-up or step-down converters, flash memory.

绝佳的笔记型电脑、个人数位助理和行动电话中的直流-直流整流器，增压或降压整流器及快闪记忆体。

youdao

Excellent as DC-DC converter used in notebooks computers, PDA and mobile handphones. Step-up or step-down converters, flash memory.

绝佳的笔记型电脑、个人数位助理和行动电话中的直流-直流整流器，增压或降压整流器及快闪记忆体。

youdao