MAX16821/MAX16821A/MAX16821B/MAX16821C white LED driver circuit diagram

Published:2011/8/25 21:23:00 Author:Lucas | Keyword: white LED driver | From:SeekIC

MAX16821A/MAX16821B/MAX16821C's main technical characteristics are as follow. ① 30A output current. ② it uses the average current mode control, true differential remote output detection technology. ③ 125kHz ~ 1.5MHz Programmable / synchronized switching frequency. ④ 4.75 ~ 5.5V or 7 ~ 28V input voltage range. ⑤ 0.1V/0.03V two kinds of white LED current-sense options, which allow the maximum efficiency (MAX16821B/MAX16821C). ⑥ it has no-lockout overvoltage protection output and thermal shutdown protection. ⑦ Integrated 4A Gate Driver. ⑧ low-buck mode, which can be chosen in two structures with synchronous rectification or not.



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