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Subject: Re: foldback current-limiting

Date: 12/04/01 at 11:35 AM
Posted by: David Ashby
E-mail: dashby@quin.co.uk
Message Posted:

In Reply to: Re: foldback current-limiting posted by Francis LHeureux on 12/04/01 at 8:06 AM:


Have you thought of using a 'smart' power FET, with built-in protection? (current limit and power dissipation). That would be a one-package solution, instead of adding parts to implement a fold-back limit. These devices are made by:

Infineon Technologies - they call theirs 'PROFET'
International Rectifier - 'SMARTFET'
ST Microelectronics - 'OMNIFET'

and doubtless a few others.

David Ashby

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