UCC27322 and UCC37322

Kishi-san,

The difference between the parts is the rated temperature range. The UCC27322 is rated for range of -40C to +105C, whereas the UCC37322 is rated over 0C to +70C.

Generally, all UCC2xxxx parts are rated for the wider industrial temperature range of -40 C to + 105 C, and the UCC3xxxx parts for the commercial temperature range of 0C to + 70C.

This info is listed at the top of al lthe electical tables in the datssheets:

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Thanks,

Bernard