The AM1SS-0503SJZ DC/DC converter manufactured by Aimtec is a 1 watt device designed to convert 4.5V to 5.5V input to 3.3V output voltage with a maximum current output of 303mA. It is a SIP4 (single in-line package 4 pin) device that is used for various industrial and consumer applications. It features a wide 4:1 input range, integrated EMI filter, low ripple and noise, and high efficiency. It has overvoltage, overload, and short circuit protection, as well as over temperature and thermal shutdown. It is also certified to various guidelines, including UL/CSA 60950-1, EN/IEC 60950-1, and EN55022 Level A.