The ATA00C18S-L is a 3-watt isolated DC-DC converter from Advanced Energy's Artesyn ATA series, designed for low-power applications in data communication, telecommunications, computer peripherals, industrial automation, and mobile battery-powered systems. It features a 9-36 VDC input range with 15 V single output at 200 mA, achieving 80% efficiency at 24 V input. The converter provides 1500 VDC input-to-output isolation with an ultra-compact SMD package measuring 23.8 × 13.7 × 8.0 mm, operating reliably across -40°C to +85°C. Key specifications include ±2.0% voltage tolerance, 1.0% line regulation, 1.2% load regulation, 100 mV noise/ripple, and 350 kHz switching frequency. The device includes remote ON/OFF control, hiccup-mode short-circuit protection, and meets UL/cUL/IEC/EN 62368-1 safety standards with CE marking, making it suitable for demanding industrial and communication applications requiring compact, efficient power conversion.