Packaged in a 2-in. × 2-in. case, the C4000RW series of 40-W DC-DC converters offers a wide 2:1 input range, tight line-load regulation, high efficiency, and wide temperature operation. Included in the series are 12 models that operate from inputs of 9 to 18 V dc, 18 to 36 V dc, or 36 to 75 V dc. Standard features include a tight line/load regulation of