英文介绍的数据手册,不过很实用啊 TThhee AMS1117 series of adjustable and fixed voltage regulators are designed to provide up to1A output current and to operate down to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.3V, de
Features: Ø Dropout voltage 1.2V Ø Line regulation typically at 0.2% max Ø Load regulation typically at 0.4% max Ø Current limiting and Thermal protection Ø Adjustable Output Voltage or Fixed 1.25V,1.5V, 1.8V,2.5V,2.85V,3.3V,5V Ø Standard 3-pin Powe