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Class D Switching Power Amplifiers and Power D/A conversion

Volt+ with stepped attenuator heatsink help
Volt+ with stepped attenuator heatsink help
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Old 20th October 2019, 10:35 AM   #11
gasolin75 is offline gasolin75  Denmark
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Join Date: Dec 2018
Originally Posted by Yatsushiro View Post
The TPA3118 is a chip down design, in that the heat transfer interface is between the chip and the PCB. Adding a heatsink on the visible part of the chip may not be efficient, as the heat path is the other way.

Additionally, 24V is well within the 26V design limit of the chip. so addtional cooling is not required 'unless' Allo made a design manufacturing error ; a PM to cdsgames on this forum may put your mind at rest.
Answer You could use it yes, but we never tested if it was needed ( I doubt it though)
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Old 20th October 2019, 08:28 PM   #12
Temaad is offline Temaad  Australia
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Join Date: Apr 2019
Nice implementation, Well done

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