Other Parts Discussed in Thread: LM5146, LM5146DESIGN-CALC
Hello. I have a problem with LM5146 controller on my board. It`s temperature is 100C! Vin=56V, Vout=12V, I load = 0.3A. Tell me please how can i fix that?
I have attached schematic - i have generate it on ti webbench power constructor online. syncin, syncout are floating. Mosfet rise time is 18ns, what is much faster than 40ns on time of LM5146.