DC Power Supplies Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Type (AC-DC, DC-DC), By Application (Aerospace, Defense, & Government Services, Automotive, Energy, Wireless Communication & Infrastructure, Others), By Output (Low Output (Up to 10 kW), Medium Output (10–100 kW), High Output (100–250 kW)), By Region, By Competition, 2018-2028