Figure 1 shows the sequence start delay of channel 1 to channel 4 provided by the DS3984 / DS3988 cold cathode fluorescent lamp controller. The DS3988 8-channel controller or the DS3984 / DS3988 series-connected multi-channel controller use the same working mode.
Figure 1. Delay for DS3984 / DS3988 to start burst dimming sequentially (channel 1 to channel 4)
The waveform shown in Figure 2 is the current demand for the DC inverter power supply in the sequential startup mode. In this example, the range of the burst brightness adjustment is 50%, the power supply current slowly climbs to 3A, and then slowly decreases to 0A.
Figure 2. Supply current of the DC inverter in 50% burst dimming mode
The advantage of entertainment tablet lies in having a powerful chip and excellent hardware. If you want to play various online videos on the tablet and run various software smoothly, the performance of the hardware is an absolute prerequisite. In addition, a high-speed and stable WIFI module is also required, which must be compatible with multiple 802.11 B/G/N protocols at the same time, so that the webpage can be loaded instantly when the webpage is opened, and the online video can be played smoothly. So hardware is the premise and foundation, without good performance everything else is empty talk.
In addition to having a good CPU as a prerequisite, it is equally important to carry a professional video player. A professional video player must perform equally well both online and offline.
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