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  • LM61440-Q1: Using LM61440

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    Part Number: LM61440-Q1 Other Parts Discussed in Thread: LM61440 Tool/software: Hello Expert Team, I would like to use this DC-DC Converter LM61440 with 24V input and 12V / 4A output. Do you have an example of application circuit with all components…
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  • LM61440-Q1: Specifications for LM61440 at lowest VIN operation

    Resolved
    Part Number: LM61440-Q1 Other Parts Discussed in Thread: LM61440 Tool/software: Hellow. I'm NAOAKI. I have a question about the description in the datasheet. VIN_OPERATE means I want to know the voltage at which the LM61140 is reliably stopped.…
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  • LM61440-Q1: LM61440 Softstart specifications

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    Part Number: LM61440-Q1 Tool/software: Hi. I'm NAOAKI. I am trying to use the LM61440-Q1 as a 24V-5V back converter. I have a question in the datasheet. Is there any startup problem even if Cout of 5V is attached with 1500uF? Also, please explain…
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  • LM61440-Q1: VCC pin and pullup resistor

    TI Thinks Resolved
    Part Number: LM61440-Q1 Tool/software: Hi team, Regarding the VCC pin of LM61440-Q1, below explain <this output can be used to supply for the power-good function by pullup resistor> However, in our block diagram, the pullup resistor of PGOOD pin is…
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  • LM61440: Simulation error - "There are no waveforms for this simulation."

    Resolved
    Part Number: LM61440 Tool/software: Hey everyone, So I got to try this simulation tool WeBench Power Designer for a DCDC buck converter. My requirements are quite on the edge: Vin: 5V to 35V Iout: 4A max Vout: 4.4V The thing is that with these parameters…
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  • LM61440-Q1: A few small questions about the spec of LM61440-Q1.

    TI Thinks Resolved
    Part Number: LM61440-Q1 Other Parts Discussed in Thread: LM61440 Hi team， The customer has a few small questions about the spec of the LM61440-Q1. 1. The working voltage of the LM61440 IC is above 3V, and the initial turn-on voltage is 3.95V, right…
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  • LM61440: LM61440 Schematic Check

    Resolved
    Part Number: LM61440 Other Parts Discussed in Thread: LMQ61460 Would you mind helping to review the SCH of LM61440? We want to adjust the SCH to fit widely for LM62440 LMQ61460 LMQ62440 Is there any part in SCH to adjust? 53532_02_0100_UG5V_4A_LM61440_SCH…
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  • LM61440-Q1: Simulation problem with WEBENCH values

    TI Thinks Resolved
    Part Number: LM61440-Q1 Tool/software: Hello, I used in WEBENCH this part; Input= 4V to 22V, output = 3.3V, 0.5A and got frequencies that are lower than 200KHz as defined in the datasheet. When simulated using LM61440AFS-Q1 PSpice Transient Model…

  • LM61440-Q1: Auto mode FPWM and PFM

    TI Thinks Resolved
    Part Number: LM61440-Q1 Tool/software: Hi Team, We would like to check LM61440-Q1 auto mode, what is the threshold for FPWM and PFM mode switching? Is there an output current limit would consider as the switching point? And will our ATE test have this…
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  • LM61440-Q1: loop stability test at light load failed

    Resolved
    Part Number: LM61440-Q1 Tool/software: Hello expert , we used LM61440AASQRJRRQ1 in our project , currently we tested the loop stability of this circuit , as the load is disabled so we test at light load (current =0A) the result is failed the output…
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