RICHTEK
LDO电压稳压器, 可调, 4.5V至80V输入, 1.25V至60V/20 mA输出, 180 mV压差, SOT-23-5
发光二极管驱动器, 升压, 2.5V 至 5.5V 输入, 1MHZ 开关频率, 20 mA 输出, TSOT-23-6
LED Driver, Constant Current, 2.5V to 5.5V in, 4 Outputs, 10 kHz Switch. Freq., 20 mA out, SOT-23-6