maximum duty meaning in English

最大工况

The basic design index was : maximum output power 9w , no load consumption < 50 mw , switching frequency 132khz , maximum duty cycle 65 % , thermal shutdown temperature 135 . simulation is very important to analog ic design
该变换器电路的主要设计指标为:最大输出功率9w ,空载时芯片的功耗低于50mw ,开关频率为132khz ,最大占空比为65 % ,热保护温度135 。
The features of this circuit are designed as : the input voltage ranged from 2 . 5v to 7v , and the working frequency is fixed at 1 . 0mhz , pwm maximum duty cycle is 87 % . this ic chip can be used to drive white led displays in cellphone , digital camera , mp3 player , pda and other portable digital devices
该电路的输入电压范围是2 . 5v ~ 7v ,工作频率1 . 0mhz ,输出信号工作的最大占空比为87 % .此芯片可以用于驱动手机, pda ,数码相机, mp3等数码产品的led 。