User`s guide
© 2008 Microchip Technology Inc. DS70320B-page 75
SMPS AC/DC REFERENCE
DESIGN USER’S GUIDE
Appendix A. Board Layouts and Schematics
A.1 INTRODUCTION
This appendix contains the schematics and layouts for the SMPS AC/DC Reference
Design (Power board and Signal board).
A.2 SMPS AC/DC REFERENCE DESIGN LAYOUT
FIGURE A-1: SMPS AC/DC REFERENCE DESIGN LAYOUT (POWER BOARD)
GND
+5V
+3.3V +12V
GND
GND
SMPS Power Rev C.1
FAN