DEAR FRNDS,
I M SERVICE AND DEVELOPMENT ENGG IN ONE INSTRUMENTATAION CO. I WANT TO DESIGN A 385V,200W, SMPS. SO WHICH PFC IC SHUD I SELCET FOR THIS DESIGN, MAX OUTPUT CURRENT IS 1.5A. I M PLANNIGN TO USE ML4821.BUT IF THERE IS BETTER OPTION WITH DESIGN NOTES PLEASE SUGGET ME!
SO WHAT CARE SHOULD BE TAKEN DURING PCB LAYOUT, I WILL PREFER 4 LAYER BOARD, 70 MICRON, IN WHICH SECOND AND THIRD PLANE WILL BE COMMON(GROUND).
PLEASE ADVISE ME THE THE WAY BY WHICH I CAN MINIMIZE EMI FOR GOOD STABILITY.
WAITING FOR YOUR POSTIVE REPLY!
YUVRAJ