| 1. | Maximum peak forward voltage
最大正向峰压 |
| 2. | Note : 1 . the forward voltage data did not including + . 01v testing tolerance
注意: 1 .正向电压得数据不要包括0 . 1v的测试数据 |
| 3. | Applied forward voltage
正向外加电压 |
| 4. | Peak forward voltage
正向峰值电压 |
| 5. | Forward voltage drop
正向电压降 |
| 6. | The forward voltage drop in the on - state is only a few volts ( typically 1 to 3 v depending on the device blocking voltage rating )
在导通状态的正向压降很小（取决于阻断电压的值，一般为1 ~ 3伏） 。 |
| 7. | With forward voltage of white led lower and lower , the efficiency of traditional charge pump driver is lower and lower , too . the new auto - adjustable charge pump can keep the charge pump working in high efficient 1x mode as long as possible
根据负载led的正向压降和输入电压选择工作模式,可以让驱动器最大限度地工作在高效率的1x模式下,有效地提高了驱动器的led效率。 |
| 8. | In the application of driving white led , an auto - adjustable charge pump which adjust work mode according to the forward voltage of load led and input voltage is presented . the conventional charge pump changes work mode at fixed input voltage value
在电荷泵驱动白光led的应用中,本论文研究设计了一种根据负载led正向导通压降和输入电压来选择电荷泵工作模式的电荷泵型led驱动器。 |
| 9. | Due to characteristics of white led such as large forward voltage and high temperature sensitivity , and necessity of uniform brightness requirement of the portable application , specially designed power management ic is needed
由于便携式应用对白光led亮度均匀性的要求,以及白光led自身的正向导通电压大、电学参数离散性大、容易受温度影响等特点,需要设计专门的电源管理芯片来驱动白光led 。 |
| 10. | Specific issues examined are : compensation for the variation of the stator resistance , the offset error of the dc bus voltage , the voltage error generated by the forward voltage drop the dead time of the switches , improvement of the steady state performance , and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis
定子电阻变化，直流母线电压漂移，开关器件反向相电压降、逆变器死区时间引起的电压误差的补偿，提高系统稳态运行性能以及永磁同步电机直接转矩控制的无速度传感器运行方案等问题都是本文研究的重点。转矩的快速响应是直接转矩控制算法的一个卓越的性能。 |
