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From: Don Y <blockedofcourse@foo.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Optocoupler datasheets
Date: Wed, 29 May 2024 08:34:33 -0700
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On 5/29/2024 8:15 AM, bitrex wrote:
> Any suggestions for how to approach methodically/mathematically selecting drive 
> current would be appreciated, thank you! ("Don't bother" a valid option)

One thing you can try (depending on what's on the other side of the device
and whether or not you want linear operation) is to drive it with a pulsed,
higher current source and filter on the isolated side.  (assuming total power
is what's driving your design)