|Class D Switching Power Amplifiers and Power D/A conversion|
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|8th August 2011, 11:26 AM||#1|
Join Date: Apr 2006
Good fanless Mean-Well supplies, 24V+, 150-220W
I was looking through MeanWell's catalog of supplies and made a shortlist of supplies that should work well with TK2050 Tripath amps and other single-rail Class D amps. I hope this info is useful for someone.
I just ordered the fanless HRPG-200 from Mouser in 24V.
Details at Mouser. Datasheet.
I found these other fanless 24V supplies between 150W and 200W; Noise is around 150mV P-P for 24V, switching frequency is outside the audio band (60KHz and higher), and they work on universal voltage:
Plastic, fully enclosed:
The SP has the lowest cost, and the GS-220 is interesting for its high efficiency, high power, and that it is fully enclosed and protected.
150W should be enough for two channels of 24V into 4 Ohms with the TK2050. If you take these supplies to their output maximum of about 28V, then 200W is what you want.
Please find further details in my post at the 41Hz forum.
Last edited by kristleifur; 8th August 2011 at 11:29 AM.
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