升压型PWM控制器MAX668/MAX669的原理与应用

The Princiole and Application for PWM step-up controller MAX668/MAX669

本文介绍了一种采用μMAX封装的升压型PWM控制器MAX668/MAX669的结构特点和工作原理,具有功率大、功能灵活的特点,并且给出了几种典型应用电路。

This paper presents internal structure, working pri-nciple of a kind of PWM step -up controller MAX668/ MAX669 in . It has the advantage of high power and active function. The typical applications are given.