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100 watt Led driver Topology

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adnan012

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Hi,

I want design a 100 watt led driver. The input voltage is 220v AC. Is it possible to use a toroid instead of a EE type core?
 

As long as the Toroid can get you to your right voltage and current, I don't see why not. Is this an AC or DC based system?
 
input voltage 220V AC
Out put Voltage 36 to 42V DC @2.5A

- - - Updated - - -

There is a air gap in E type core for Fly-back type converters. For toroid it will not work?
 

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