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TPS51275B: What's the difference between TPS51275B and TPS51275B-1

Statham Su
Genius 4990 points
Part Number: TPS51275B

Hello Sir:

We are searching the second source for replacing TPS51275B-1.

Can you let us know what's the difference between TPS51275B and TPS51275B-1?

Can we use TPS51275B directly? 

Please help to provide your recommendations.

Thanks a lot.

  • 0
    TI__Expert 5110 points

    Hi Statham,

    The major difference is the soft start time. TPS51275B has 0.8ms soft start time and TPS51275B-1 has 3.2ms soft start time. If your application could accept shorter soft start time with TPS51275B, I would have no other concern on the replacement.

    Thanks,

    Andrew