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Class D Audio Amplifier Design
• Class D Amplifier Introduction
• Gate Driver
• MOSFET
• Package
• Design Example
Theory of Class D operation, topology comparison
How to drive the gate, key parameters in gate
drive stage
How to choose, tradeoff relationships, loss calculation
Importance of layout and package, new packaging
technology
200W+200W stereo Class D amplifier
Prepared Oct.8 2003 by Jun Honda and Jorge Cerezo