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Class D Switching Power Amplifiers and Power D/A conversion

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Old 7th January 2010, 03:44 PM   #1
cccv is offline cccv  Latvia
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Default please help

I want to build d class amp.
what mosfet you suggest for - 2*2kw rms @ 4ohm . +-220v , irs2092 driver
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Old 7th January 2010, 06:22 PM   #2
81bas is offline 81bas  Germany
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Quote:
Originally Posted by cccv View Post
I want to build d class amp.
what mosfet you suggest for - 2*2kw rms @ 4ohm . +-220v , irs2092 driver
Use 200 volts IRFB4227 mosfets in bridge configuration with +/-70v rails...
This will give you output voltage approx 130 Vp, approx 92 Vrms, and approx 2.1kW into 4 Ohm...
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Old 7th January 2010, 06:32 PM   #3
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FDP2532, FDP2552, IRFB4615 in full bridge as mentioned above
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