Re: current sensors for high frequency converters

Mar 22, 2007 0 Replies


hi all,


> I am working on a project which involves, sensing the current
> through the switch (connected in series with the flyback transformer)
> of a flyback converter (max current is abt 15 amp).Operating frequency
> is 50KHz. I have tried to use LEM Hall Effect sensor LA 55-P, but the
> sensor is not able to sense the currents at this frequency faithfully,
> though its bandwidth is about 200KHz (at -1 dB), can anyone please
> suggest anyother sensor, or anyother way of sensing the current
> faithfully.
>

try

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