Designing power supply for class D amp

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darw82

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Joined 2004
I building 2x100W RMS class D amplifier using 2x STA506 in parallel full bridge configuration.
The supply voltage is 32V.
From simulation result, in full load, the total required power could be as high as 320W.

Is it normal? It's only 2x100W amp. Why the supplied power can be that high?

Also, Does it necessary to synchronizing the triangle wave osc to power supply clock?

Thanks.
 
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