# \#on-resistance

**URL:** https://forum.plexim.com/tag/on-resistance/346.md

[Latest](https://forum.plexim.com/latest.md) · [Categories](https://forum.plexim.com/categories.md) · [Tags](https://forum.plexim.com/tags.md)

---

## [Can you make the on-resistance of a switch dependent on the lookup table from its conduction losses?](https://forum.plexim.com/t/can-you-make-the-on-resistance-of-a-switch-dependent-on-the-lookup-table-from-its-conduction-losses/564)

<div class="topic-metadata">

**Author:** [@WielandVDS](https://forum.plexim.com/u/WielandVDS)\
**Replies:** 1\
**Last updated:** [October 31, 2018, 8:00pm UTC](https://forum.plexim.com/t/can-you-make-the-on-resistance-of-a-switch-dependent-on-the-lookup-table-from-its-conduction-losses/564 "2018-10-31T20:00:31Z")

</div>

Hello, I am trying to create a feedback loop between the lookup table of my MOSFET’s conduction losses and the electrical on-resistance Ron. We know that Ron = Von / Ion (linear approx.) and that both of these variables…