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Showing 45 results View by: Thread Post Sort by
    Answered
  • LM62440-Q1: Efficiency and lifetime using Rboot open.

    Mick van der Meulen
    Mick van der Meulen
    Resolved
    Part Number: LM62440-Q1 Tool/software: Hi, I am experiencing trouble regarding EMI using the LM62440-Q1. I want to try and use the circuit leaving Rboot open R = infinite, instead of R 100 Ohm. I found a discussion about this topic regarding efficiency…
    • Resolved
    • 1 month ago
    • Amplifiers
    • Amplifiers forum
  • LM62440-Q1: LM62440APPQRJRRQ1

    Tirthal Patel
    Tirthal Patel
    TI Thinks Resolved
    Part Number: LM62440-Q1 Tool/software: Hello Team, In our design we are using LM62440APPQRJRRQ1 ,Query is mentioned below : 1.Input to our system are from Vin Min 5V (USB) to VBATT - 36V ,would we be able to get the desired output of 5V and 4A ? Regards…
    • 1 month ago
    • Power management
    • Power management forum
  • LM62440-Q1: LM62440APPQRJRRQ1

    Tirthal Patel
    Tirthal Patel
    TI Thinks Resolved
    Part Number: LM62440-Q1 Tool/software: Hi Team, In our design we are using part LM62440APPQRJRRQ1. I have few query on the switching frequency section ,as mentioned below : 1.How can we set Switching frequency ? As per the datasheet it has mentioned…
    • 2 months ago
    • Power management
    • Power management forum
  • LM62440-Q1: Power Good Behavior

    ReedKacz
    ReedKacz
    TI Thinks Resolved
    Part Number: LM62440-Q1 Tool/software: Hi Power Experts - I am writing to seek further insights and clarification regarding the results of the Power Good Test performed on 3V3 Primary Buck (LM62440BLPQRJRRQ1). Specifically, I would like to understand…
    • 6 months ago
    • Power management
    • Power management forum
  • LM62440-Q1: Can LM62440 can start-up after momentary disconnection of power?

    Kento Adachi
    Kento Adachi
    TI Thinks Resolved
    Part Number: LM62440-Q1 Tool/software: Hello experts, My customer would like to know whether LM62440 can start-up after momentary disconnection of power. In momentary power disconnection test, when output capacitor cannot fully discharge, can LM62440…
    • 7 months ago
    • Power management
    • Power management forum
  • LM62440-Q1: SW node rise time dependency with resistor value

    Kento Adachi
    Kento Adachi
    TI Thinks Resolved
    Part Number: LM62440-Q1 Tool/software: Hello experts, My customer has a question regarding adjustable SW node rise time feature. We can find the rise time at 0 ohm and 100 ohm, but customer will use 1kohm resistor. 1. Can we provide a formula of the…
    • 8 months ago
    • Power management
    • Power management forum
  • Answered
  • LM62440-Q1: Can RBOOT pin be left OPEN? What is a demerit of leaving RBOOT OPEN?

    Kento Adachi
    Kento Adachi
    Resolved
    Part Number: LM62440-Q1 Tool/software: Hello experts, My customer is considering to leave RBOOT OPEN due to EMC problem. 1. Based on the description in the datasheet below, can we leave RBOOT pin OPEN(=No resistor connected)? 2. Are there any demerits…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • LM62440-Q1: Output negative voltage

    Will Wang47
    Will Wang47
    TI Thinks Resolved
    Part Number: LM62440-Q1 Tool/software: Hi team, Want to check with you, if LM62440-Q1 support inverting output operation, could you help comment? Spec requirement as follow: Vin = 12V; Vout = -4V/1.8A Thanks and Best Regards, Will
    • over 1 year ago
    • Power management
    • Power management forum
  • LM62440-Q1: tEN time

    Shinji Tsuji
    Shinji Tsuji
    TI Thinks Resolved
    Part Number: LM62440-Q1 Other Parts Discussed in Thread: LMQ66430 , Hi team, I asked tEN of LMQ66430 before in E2E and found it also includes VCC start up time. I measured from EN rising edge to the device start switching and the result was 2ms while tEN…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM62440-Q1: RFBT minimum value

    Shinji Tsuji
    Shinji Tsuji
    Resolved
    Part Number: LM62440-Q1 Hi team, Could you advise if there is a mandatory requirement for minimum RFBT value of LM62440-Q1? it is described in the datasheet below, but I would like to use below 10kohm. "Usually RFBT is between 10 kΩ and 1 MΩ."…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
>

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