Forum Post: LM5575 vs. LM5005

Hello,

I am looking for 5VDC@1.5A step down switcher with high voltage input. Most of the spec for LM5575 (1.5A, 16pin) and LM5005 (2.5A, 20pin) look the same. Yet, LM5575 is more expensive. Am I missing some important feature or difference is due to volumes/marketing etc.? i.e. Why would I choose LM5575 over LM5005? There is enough real state for larger package.  

Thanks,

Darko