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  • TPS54340: TPS54340 & TPS54340B - Differences

    Resolved
    Part Number: TPS54340 Dear Sir: TPS54340 & TPS54340B - Differences 1. What is the difference between TPS54340 & TPS54340B? 2. Is TPS54340B Spec the same as TPS54340? 3. Is TPS54340B compatible and pin to pin with TPS54340? Please check to reply us…
    • Resolved

  • TPS54340B: Design review

    TI Thinks Resolved
    Part Number: TPS54340B Hi Team, Can you help check our customer schematic? The requirements is: Input - 9-42 volts Output - 5 volts Switching freq. - 800 kHz Transient Iloadstep - 400 mA-->2 A Thank you in advance. Regards, Marvin

  • TPS54340B: Negative output reference design

    Part Number: TPS54340B Other Parts Discussed in Thread: TPS62913 Dear , my design is -15V output, the peak current is 2A around, continue current is 0.3A, can you provide the reference design about negative output for my refence, many thanks

  • TPS54340B: Output voltage drop to 6V

    TI Thinks Resolved
    Part Number: TPS54340B Other Parts Discussed in Thread: TPS54340 Dear teams, My customer is using TPS54340B and TPS54340. They found that the output voltage (12V) will drop to 6V when the input voltage is between 11-12V, and the time is 1ms. Once the…
    • Answered

  • RE: TPS54340B: Capacitor input for multi parts sharing power rails input

    Resolved
    Hello, I just sent you an email. I'll close this thread and we can continue the discussion offline. Regards, Harrison Overturf
    • Answered

  • TPS5430: TPS54340B

    Resolved
    Part Number: TPS5430 Same question for 3.3V output.
    • Resolved

  • TPS54340B: Wont start up with more than 220uF output caps on negative rail. Inverting Buck Boost

    TI Thinks Resolved
    Part Number: TPS54340B I used https://www.ti.com/tool/PMP10090 as reference for a dual rail 12V supply I added some extra filtering: The problem is that i wont start when C4 and c14 is populated, i get only short spikes when looking with the oscilloscope…

  • RE: TPS54340B: TPS54340B Boot pin cap

    Hi Qinghong, I checked a couple of our reference design and the value that we use for the capacitor is 0.1uF with X7R, therefore it is +/- 10% tolerance. You can go with 0.1uF, 16V, X7R capacitor as mentioned on this reference design. http://www.ti…
    • Answered

  • TPS54340B: TPS54340 vs TPS54340B

    Resolved
    Part Number: TPS54340B Other Parts Discussed in Thread: TPS54340 Hi Guys What is the difference between TPS54340 and TPS54340B, B Version ? On the Q1 post the answer was “They are functionally and parametrically equivalent.” and "B" version has fixes to…
    • Resolved

  • TPS54340B: Parameters to set accurate UVLO

    TI Thinks Resolved
    Part Number: TPS54340B Hi Team, I want to set UVLO start and stop voltage precisely, so could you asnwer following my questions for understanding well where I should take care? 1. Does "1.2uA" (①) described in 8.3.7 refer to "-1.2uA" (②) described in…

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