250W single stage LLC-SRC converter reference design

The PMP9739 is a single stage LLC series resonant converter (SRC), producing up to a 250W output using UCC25600 resonant controller. With the use of single stage LLC-SRC, the converter efficiency goes up to 89% at 250W full output power.

Features
  – High efficiency single stage AC/DC converter
  – Up to 89% efficiency at 250W output
  – AC/DC single stage LLC resonant converter
  – 102VAC to 138VAC input and up to 24V/250W
  – Test report available

Parts Include:
LM431   Adjustable Precision Zener Shunt Regulator 
TL331    Single Differential Comparator 
UCC25600   8-Pin High-Performance Resonant Mode Controller 

Learn more by downloading the reference design below