RICHTEK
直流-直流开关降压, 逐步递降稳压器, 可调, 2.7V-5.5V输入, 1A输出, 2.25MHz, WDFN-6
DC-DC Switching Buck Step Down Regulator, Adjustable, 2.95V-5.5V in, 6A out, 700kHz, WDFN-12