PMP9185.3, Universal Line Power Supply for PLC using PSR Flyback and Compact DC/DC Stages Reference Design

PMP9185.3, Universal Line Power Supply for PLC using PSR Flyback and Compact DC/DC Stages Reference Design. The PMP9185 reference design uses the UCC28710 primary-side regulated flyback controller to generate a 15V output from a universal AC input with maximum 20W output power followed by DC/DC and LDO stages using TPS54229 and TPS650250 and 5V, 3.3V, 1.8V and 1.2V are provided. A switch on the PCB provides the freedom of supplying DC/DC and LDO from AC input or DC input