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Class D Switching Power Amplifiers and Power D/A conversion

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Old 16th June 2005, 05:46 PM   #1
IVX is offline IVX  Russian Federation
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Thumbs up Newest IR mosfets surprise again!

irf6665
100V
19A
Rds(ON)=53mOhm
Qg=8.4nC
trr=31nS
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Old 17th June 2005, 05:35 PM   #2
Pierre is offline Pierre  France
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Seems quite nice for low power designs in half-bridge or higher power in full-bridge.
What I miss in the datasheet is max dV/dt rating for the body diode.

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Old 18th June 2005, 03:05 PM   #3
IVX is offline IVX  Russian Federation
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Quote:
Originally posted by Pierre

What I miss in the datasheet is max dV/dt rating for the body diode.
pretty often dV/dt rating for the body diode isn't specified in the data sheets, but irf6665 "are optimized to improve key Class-D audio amplifier performance factors such as efficiency, THD, and EMI", so we can hope that dV/dt rating are ok too.
BTW, I feel inspiration to try irf6620 in the caraudio DC/DC (12/40V) + class D amp with irf6665.. i think it's a good chance to obtain just a new level of the compactness.
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