LM3551 LM3552 1A LED驱动器 Pdf资料

应用功能： 1A LED驱动器 The LM3551 and LM3552 are fixed frequency, current mode step-up DC/DC converters with two integrated NFETs that can be used for precision LED brightness control. The devices are capable of driving loads up to 1A from a single-cell Li-Ion battery.