DER-451- 20 W Power Supply for USB AdapterThis document is an engineering report describing a 4 A, 5.1 V adapter utilizing a device from the InnoSwitch-CH family of ICs. This design shows the high power density and efficiency that is possible due to the high level of integration while still providing exceptional performance. This document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.
