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Subject: Re: Mosfet Drive

Date: 05/30/00 at 3:01 AM
Posted by: Dominique Bovey
E-mail: dbov@vmfr.vibro-meter.ch
Message Posted:

In Reply to: Re: Mosfet Drive posted by Francis L'Heureux on 05/25/00 at 7:51 AM:

Bonjour Francis,
First, clare (www.clare.com) does also this kind of
device, as well as a 3rd mfr whose name I cannot remember.
I think you can monitor the on-Resistance of the output MOS pair with an optocoupler
feedback, the LED of the optocoupler being driven from the on-Voltage of the opto-mos.
Naturally, if you switch AC, you will have to rectify somehow before driving the LED.
Hope this helps, tell me if that has worked!
Dominique


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