Isolate a DC Voltage

[@MikesTropicalTech]

I'm looking to do this to measure ~ 150 VDC battery pack voltage in my electric car with a 3.3 volt Arduino board. Can this chip or another in the family handle such a high voltage on the input side, or should I use a resistor divider before the input?

[@discodingo8839]

just a quick dumb question...why would you isolate a DC voltage ?

[@gocircuits3446]

The reason I wanted this was to pass a control voltage from the primary side to the secondary side in order to adjust the output of an isolated switching regulator.