MAX8631X white LED driver circuit diagram

Published:2011/8/29 3:38:00 Author:Lucas | Keyword: white LED driver | From:SeekIC

MAX8631X charge pump's main technical features are as follow. ① It can drive eight white LEDs. ② 30mA drive current is used for backlight. ③ 400mA total drive current is used for the flash. ④ two built-in low noise 200mA LDO. ⑤ It can maintain the 94% highest conversion efficiency and the 85% average conversion efficiency in the effective lithium-ion battery supply voltage range (η = PLED / PABT). ⑥ 0.2% current matching accuracy. ⑦ It has adaptive 1x mode, 1.5x mode, 2-fold pressure mode switching function. ⑧ It has flexible brightness control. ⑨It has single, serial-pulse interface (32).



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