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Old 12th February 2005, 09:28 PM   #1
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Default what are the total current ratings requrired for the LM4780? please please answr this

I am using the LM4780 ic and as i need 35volts as the input for the chip so what are the current ratings that is required...

I want to use the toroidal trans..so what are the volt , volt ampere ratings of the transformer required....?

please tell me .....
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Old 12th February 2005, 09:43 PM   #2
steenoe is offline steenoe  Denmark
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Here you go:
http://cache.national.com/ds/LM/LM4780.pdf

Steen.
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Old 12th February 2005, 09:47 PM   #3
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hey ive checked it out but what practically u people are using....

thats what i wanted to know... thats it....
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Old 12th February 2005, 09:59 PM   #4
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max oupt power+40% is my rule of thumb.

so for my lm3886 amp, stereo, i use a 160w trannie. works like a charm.
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Old 13th February 2005, 04:25 AM   #5
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go to the Nat Semi website and access the Overture Series Design Tools -- all is revealed.
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