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With LM3463, do I leave CDHC open if not using DHC feature? What about ISR?

Other Parts Discussed in Thread: LM3463

I'm using LM3463 and don't want to use DHC feature. I know to leave OUTP open when not using this feature but what do I do about CDHC pin? Do I still need a capacitor there or can I leave it open? I would like to avoid using a cap but don't want it to affect other , non-DHC control circuitry.

What about ISR? If I'm not using DHC can I leave that pin open as well?

Thanks,

John Stevens