> You might be better off doing it the other way, PWM the low side and have
> the high side be the permanently on device.
>

In order for the hi side bootstrap ckt to work it requires some switching.
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.