Search tips
Showing 28 results View by: Thread Post Sort by

  • LM62440-Q1: maximum Isd over temp

    Part Number: LM62440-Q1 Hi team, Could you advise the maximum tolerance of Isd over temperature at given input voltage? The datasheet EE parameter specifies max tolerance at Tj=25c, so I would like to know this value over temp. I found Isd vs temp in…
    • Answered

  • LM62440-Q1: LM62440ALPQRJRRQ1

    Resolved
    Part Number: LM62440-Q1 Hi Expert: Does LM62440-Q1 have output discharge feature after IC disable ? thank you Roy
    • Resolved
    • Answered

  • LM62440-Q1: Buck is running on 100% duty cycle

    Resolved
    Part Number: LM62440-Q1 Hi, I have a problem where the buck seems to only be running on 100% duty cycle. Have tried two different PCBs and different loads/ input voltages See the pictures of the schematic and oscilloscope below. The following pin Voltages…
    • Resolved
    • Answered

  • LM62440-Q1: Does TI offer a Pspice model for the 400 kHz version of the fixed 3.3V converter LM62440BLP-Q1?

    Resolved
    Part Number: LM62440-Q1 Other Parts Discussed in Thread: LM61460 E2E, Does TI offer a Pspice model for the 400 kHz version of the fixed 3.3V converter LM62440BLP-Q1? https://www.ti.com/product/LM62440-Q1#design-tools-simulation Thank you, Craig
    • Resolved
    • Answered

  • LM62440-Q1: MDE/SYNC to VCC spread spectrum

    Resolved
    Part Number: LM62440-Q1 Hi team, I have a question for LM62440 MODE/SYNC pin setting. I would like to set FPWM with Spread Spectrum ON. In the datasheet Table.1 said it FPWM with Spread Spectrum ON can be set by Applying Vcc or >VMODE_H AND <VMODE_H2…
    • Resolved
    • Answered

  • LM62440-Q1: Question on Cout

    Resolved
    Part Number: LM62440-Q1 Other Parts Discussed in Thread: LM62440EVM Hello, The LM62440-Q1 datasheet mentions that there is a certain range of output capacitance that the internal compensation is optimized for. What is the specific range of output capacitance…
    • Resolved
    • Answered

  • LM62440-Q1: Question on Cff

    Resolved
    Part Number: LM62440-Q1 Hello, How should I choose the Cff capacitor value? I plan on using the adjustable output voltage option in my design (LM62440APPQRJRRQ1). The design will have 12V input and 9V output. Max output current is 2.4A. Since the duty…
    • Resolved

  • LM62440-Q1: Why does it have CBOOT and RBOOT pin separately?

    TI Thinks Resolved
    Part Number: LM62440-Q1 Hi team, Why does LM62440-Q1 have CBOOT and RBOOT pin separately? Another DCDC converter such as LM50410-Q1 just have "CB" pin. Could we add boot strap resistor in series to boot strap capacitor in general? Or is there…
    • Answered

  • LM62440-Q1: EMC improvement

    Resolved
    Part Number: LM62440-Q1 Hi Sir, To improve EMC products, They connected a 10 ohm resistor between R boot and SW of lm62440-q1 chip, And the SW pin is directly connected to the ground and has a 10pF capacitor, In addition, a 4.7 ohm resistor is connected…
    • Resolved

  • LM62440-Q1: LM62440-Q1 and LM61460-Q1

    Part Number: LM62440-Q1 Other Parts Discussed in Thread: LM61460-Q1 , LM61440-Q1 , LM61440 , LM61460 Hi team, May I know the differences between the LM61440-Q1 and LM61460-Q1? Customer would like to use it for 4A load and worries about the thermal budget…

Didn't find what you are looking for? Post a new question.