It can replace the noval voltage mode PWM comparator, can directly be used of SPWS voltage mode PWM control chip, and can modular design.So it is increased system integration of PWM controller chip.

• 该电路可以替代普通电压型PWM比较器，直接运用在开关电源电压型PWM控制芯片中，并且能模块化设计，提高了PWM控制芯片的系统集成。