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TPS3808: TPS3808G30DBVT- Adjustable/Fixed

Zhonghui Xu
Expert 5445 points
Part Number: TPS3808

Hi team,

I got a question from customer.

Is this part Adjustable/Fixed?

How the both cases can be created?Please check whether this circuit is adjustable/fixed?

Thank you very much for your help.

Best regards,

  • 0
    TI__Mastermind 19370 points

    The TPS3808G30 variant is a fixed variant with a threshold of 2.79V. This is created by adding internal voltage divider using internal resistors then trimming the device to reach the high accuracy.

    The TPS3808G01 is the adjustable variant. This version has no internal voltage divider resistors so it needs external resistors to reach the desired threshold. 

    The schematic is using the TPS3808G30 which is fixed.