还要求该恒定电流。
生活中的电池寿命最多可以在保持恒定电流的LED。
Life expectancy in most of the battery can be maintained during the constant current LED.
该plz700 w特征恒定电流和不断抵抗的运作模式。
The PLZ700W features constant current and constant resistance modes of operation.
EMC5040完整的单节锂离子电池用恒定电流/恒定电压线性充电器。
The EMC5040 is a complete linear charger for single cell lithium-ion batteries.
在通过恒定电流以后，钨丝温度升高，其热量经四周的载气分子传递至池壁。
After a constant current, the temperature of the tungsten filament is increased, and the heat is transferred to the cell wall by the carrier gas around it.
图中所示电路，当恒流管(6sn7)上加载385v时可以提供11mA的恒定电流。
The circuit shown above provides about 11 mA with 385 volts across the constant current element (6sn7).
恒定电流源可以避免因输入电压的波动使LED的驱动电流波动并维持LED的亮度不变。
Constant current source can avoid the fluctuations of output current due to the fluctuations of input voltage, and maintain the brightness of LED.
提出了一种以恒定电流驱动白光led的矿用直流开关电源，给矿井下的直流电机车和矿灯供电。
Presents a constant current white LED driver for mining DC switching power supply to the mine under the DC power supply locomotives and miner's lamp.
设计了一种可程控功率源，其特点是可输出大功率的恒定电流和恒定电压，波形参数和输出变化方式可由程序控制输出；
The system is so designed and then the key ICs are choose carefully. A controllable power source is designed in this paper.
采用恒定电流应力对薄栅氧化层MOS电容进行了TDDB评价实验，提出了精确测量和表征陷阱密度及累积失效率的方法。
TDDB evaluation experiments are implemented on the thin gate oxides MOS capacitor, and a method of precise measurement and characterization the trap density and accumulative failure are presented.
触发电路板由两部分组成，第一（上半部分示意图）的触发和恒定电流LED驱动器和第二届（下半部分）的PWM电动机电流控制器。
The trigger PCB consists of two parts, first (upper half of the schematic) the trigger and constant-current LED drive and second (lower half) the PWM motor current controller.
电流环软启动通过输出电流指令递增实现，电压环软启动则比较了直流侧电压指令逐步升高法、恒定电流充电法、变PI参数调节法三种策略。
Three soft start-up technique for voltage loop are compared with each other, which are the reference of DC bus voltage gradually increasing, constant charging current and different PI modulation.
电流环软启动通过输出电流指令递增实现，电压环软启动则比较了直流侧电压指令逐步升高法、恒定电流充电法、变PI参数调节法三种策略。
Three soft start-up technique for voltage loop are compared with each other, which are the reference of DC bus voltage gradually increasing, constant charging current and different PI modulation.
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