3.3V, 5V DC to DC Multi-Output Power Supply for Ethernet Microwave Radio

Highly efficient, Flyback 3.3V and 5V Class 2 powered device. The design features the MAX5969B as its controller. The design also uses the MAX5974A, Which controls, Current-mode PWM converters and provides frequency foldback for PoE applications. Using these devices, this reference design is IEEE 802.3af/at compliant and a high performance, Compact, and cost efficient solution for a Class 2 PD. The design can also be customized to 3.3V/2A and 5V/1A Class 3 PD