Recom 05a single output step down dc to dc converters r 78xx 05 series recom r 7833 05 this recom dc to dc single output converter is from the r 78xx 05 series the switching regulator is ideally suited to replace the 1a 78xx linear regulators and is pin compatible the convertor has a high voltage input range and an efficiency of up to 97 meaning that very little energy is wasted as heat so there is no need for any heat sinks with their additional spacetypical applications includ