The AM8TW-11015SH30Z part is a 15W, Isolated DC-DC converter made by Aimtec. It has an input voltage range of 4.5-9V, an output of 5V, and an isolation voltage of 3,000Vrms. It is housed in a mini-DIP package with an overall size of 2"x2"x0.45" (51mm x 51mm x 11mm). Its features include a very high efficiency (up to 91%), a wide operating temperature range (-40°C to +85°C), low output ripple and noise, remote on/off control, and short circuit protection.