TEXAS INSTRUMENTS
芯片, 直流/直流转换器, 同步降压, 4MHZ, QFM-20
LINEAR TECHNOLOGY
直流-直流开关降压(逐步递减)稳压器, 可调, 2.5V-5.5V输入, 690mV-2.05V输出, 0.6A输出, DFN-10