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IRAUDAMP4A
IRAUDAMP4A
120 W x 2 Channel Class D Audio Power Amplifier
Using IRS20957 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 IRAUDAMP4A 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
