1A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 1.2V,1.8V, 2.5V, 2.85V, 3.3V and 5V1A低压降快速响应正可调稳压器和固定1.2V , 1.8V , 2.5V , 2.85V , 3.3V和5V