ShenZhen Fahold Electronic Limited
Led Driver 50-70V,Constant Current Led Driver Pf,Driver For Led Panel Lights
It is specially used in the US market, over UL certification, steel shell packaging, high safety performance, for panel lights, troffer indoor use, conventional products, stable quality, high PF value, 100-277 input, to avoid in high temperature and humid environment use.
Questions about flicker-free light may arise at this point. To be fair, it should be pointed out that fluorescent tubes operated with conventional or low loss ballast also flicker at 100 Hz and the light output is reduced at lower ambient temperatures. Fluorescent lamps operated with an ECG, including energy saving lamps, work at 44 – 50 kHz so that the lamps normally do not flicker. In reality, however, things are a little different. While a higher switching frequency is used, the input capacitors are to small for cost reasons. This causes the high frequency circuit in the lamp to be supplied with a strongly pulsating voltage. This pulsation creates a brightness modulation in the emitted light which is why these lamps often have a rather high level of flicker at 100 Hz.