We have two 24V duplicate DC supplies and are using the UC3907 on each to share the load between these two supplies. What we are finding is that the load is not equally shared. At some point one supply is allowed to provide current in excess of its capability while the other supply still has 30% remaining capability. This results in the 1st supply shutting down and the load then demands all of its current from the 2nd supply which then promptly shuts down.
We've seen the status LED employed with each UC3907 alternate between each supply sometimes slowly and sometimes they both appear on (perhaps they are alternating quickly).
How do we get the load to be equally shared between the supplies?