The control system of this inverter is composed of 8098 single chip microprocessor and the new type three phase PWM IC SLE4520.
采用了以8098单片机和三相高频可编程脉宽控制器SLE4520为核心的控制系统。
A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.
介绍一种利用占空比与PWM电路补偿端电压之间的关系，设计的以差动电压放大器为核心构成的占空比测量电路；它能以数字显示形式直接给出脉冲电源输出电压的占空比。
The power adopt PWM switch technic design, it compose of professional IC, and high reliability.
本电源采用脉冲宽度调节（PWM）开关技术设计，由专业积体电路组成，可靠性高。
All control circuits are integrated (including power MOS) in the IC except the output low-pass filter, two optional operation modes: PWM and PFM are available.
该IC集成了除输出低通滤波器的所有控制电路(包括功率MOS)，提供PWM和PF M两种模式供选择。
The method of using a large scale IC—HEF4752V to get PWM pulses is also presented.
提供了用一片大规模集成电路芯片HEF4752V产生PWM波的方法。
This paper research the design to current mode PWM controller IC, it is achieved by bipolar process.
本文主要完成了一种基于双极工艺实现的电流型PWM控制器芯片的设计。
This paper research the design to current mode PWM controller IC, it is achieved by bipolar process.
本文主要完成了一种基于双极工艺实现的电流型PWM控制器芯片的设计。
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