MAX16809/MAX16810 white LED driver circuit diagram

Published:2011/8/23 22:23:00 Author:Lucas | Keyword: white LED driver | From:SeekIC

MAX16809/MAX16810's main technical characteristics are as follow. ① it has 16 constant current output channels (each channel is up to 55mA), each output has ± 3% current matching. ② all channels uses a single resistor to set the white LED current. ③ parallel output channels can provide greater white LED series branch current. ④ continuous rated output voltage is 36V. ⑤ output enable pin is used for PWM dimming (frequency is up to 30kHz). ⑥ it has white LED open detection circuit and watchdog (MAX16810). ⑦ it has wide dimming ratio, which can be up to 5000:1.



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