www.irf.com
RD-0617
IRAUDAMP4
120 W x 2 Channel Class D Audio Power Amplifier
Using IRS20955 and IRF6645
By
Johan Strydom, Jun Honda, and Jorge Cerezo
Table of Contents
Page
Introduction .......................................................................................... 1
Specifications ....................................................................................... 2
Functional Description.......................................................................... 4
Startup and Shutdown..........................................................................12
Protection .............................................................................................16
Typical Performance ............................................................................21
Design Documents ..............................................................................27
CAUTION: International Rectifier suggests the following guidelines for
safe operation and handling of IRAUDAMP4 Demo Board;
•
Always wear safety glasses whenever operating Demo Board
•
Avoid personal contact with exposed metal surfaces when operating
Demo Board
•
Turn off Demo Board when placing or removing measurement probes
Summary of Contents for IRAUDAMP4
Page 35: ...www irf com 34 RD 0617 IRAUDAMP4 PCB Layers Motherboard Figure 35 Top Layer and Pads...
Page 36: ...www irf com 35 RD 0617 Figure 36 Top Side Solder Mask and Silkscreen 4 0...
Page 37: ...www irf com 36 RD 0617 Figure 37 Bottom Layer and Pads...
Page 38: ...www irf com 37 RD 0617 Figure 38 Bottom Side Solder Mask and Silkscreen...
Page 42: ...www irf com 41 RD 0617 Figure 44 Bottom Side of Motherboard Showing Component Locations...
