PMP5715.2, 21V - 26V @ 4A LED Driver Reference Design

PMP5715.2, 21V - 26V @ 4A LED Driver. The PMP5715.2 is the second block, an LLC resonant isolated stage, which takes the 410V from the PFC stage and delivers 26V @ 4A constant current, suitable for LED panel driving. The loop is closed by means of a current transformer, connected to the output windings. An open string protection is accomplished by and optocoupler and a zener diode