MAX8901A／MAX8901B white LED driver circuit diagram

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

MAX8901A/MAX8901B boost converter is capable of driving 2 to 6 series white LEDs with constant current, and it can provide white LED drivers with uniform brightness and LCD backlighting for mobile phone, PDA and other handheld devices. MIAX8901A/MAX8901B's main technical characteristics are as follow. ① efficiency is up to 91%. ②it has 2.6 ~ 5.5V input voltage range. ③ it has fixed frequency mode. ④it has input undervoltage lockout, input overvoltage lockout, white LED overvoltage protection function (typical value is 25V). ⑤ typical shutdown current is 0.01μA. It has no white LED current under shutdown mode.



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