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Class D Switching Power Amplifiers and Power D/A conversion

how ir2110 drives the high side mosfet in h bridge
how ir2110 drives the high side mosfet in h bridge
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Old 10th April 2008, 04:53 AM   #1
gowri is offline gowri  India
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Default how ir2110 drives the high side mosfet in h bridge

hi
plz tell me how to connect ir2110 to h bridge invereter using mosfets.we connected as per the data sheet for ir2110 connecting to only two mosfets.but ir2110 is getting heated.is that correct.should i connect ir2110 for full h bridge but not half?
thanks for reading this
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Old 10th April 2008, 05:33 AM   #2
Conrad Hoffman is offline Conrad Hoffman  United States
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I believe those parts are incredibly sensitive to bypassing. Read all the IR app notes and follow them to the letter.
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Old 10th April 2008, 07:30 AM   #3
peranders is offline peranders  Sweden
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how ir2110 drives the high side mosfet in h bridge
The driver must have it's own supply voltage 12-15 V. Worth noticing is that if you want it really good those drivers aren't good enough for class D. Compare how Bruno has done.
http://www.hypex.nl/docs/UcDBP.pdf

Still, if you want to learn more check also the HIP4080, 81 and 82 from Intersil.
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