EC4SAW DC-DC Converters Cincon EC4SAW DC-DC Converters are 5W to 6W isolated output devices that come in a compact SIP-8 package. The EC4SAW series offers an efficiency of up to 89% and a 4:1 input range. Additional features include 1500VDC isolation, regulated outputs, and remote on/off control. Cincon EC4SAW DC-DC Converters also provide continuous short-circuit protection.