Power supply DC-DC 3.5-30V to 4-30V with amplifier LM2587 DW-0422 REF:AK029
Power supply DC-DC 1.25V-36V 5A with voltage converter DW-0408 REF:AK009
Power supply DC 6.5-22V to 3.3-5V with adjustable converter DW-0412 REF:AK039