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  • LM2671: LM2671

    Resolved
    Part Number: LM2671 Are there any adverse effects on performance or reliability when operating at load currents below 20 mA?
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    • Answered

  • LM2671: Effect of losing the catch diode

    Resolved
    Part Number: LM2671 Could you explain whether the LM2671 will continue to provide a regulated output if I lose the catch diode (fails). As I understand your datasheet, this diode is only used to provide a path for storage inductor current during the off…
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    • Answered

  • LM2671: Trouble with no output

    Resolved
    Part Number: LM2671 I have a new design using this part to convert 24VDC to 12VDC. I am getting 0VDC on the VSW pins with little to no steady-state current draw on the 24VDC that is connected to VIN.
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  • LM2671-5 selected, but LM2671-3.3 on workbench BOM

    Resolved
    Other Parts Discussed in Thread: LM2671 I just selected an LM2671-5 from the work bench and gave parameters for a 10 to 40 V in to 5V out @ 0.25A. But when I looked at the BOM it listed an LM2671-3.3. What's the story? Thanks George
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  • LM2671 not shutting down when enable voltage removed

    We use the LM2671-5M in an automotive application (Vin=8-30VDC), the enable function is activated by Ignition voltage (also 8V-30V) thru resistor divider below: We have found a couple units where the switcher won’t shut down when the enable voltage is…
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  • Lm2671(ADJ)

    Resolved
    Other Parts Discussed in Thread: LM2671 Hello I am thinking of using an LM2671 (adjustable output) to produce a battery charger powered by a solar panel. Looking at the block diagram on page 8 of the data sheet it would seem to be ok to use the scheme…
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  • RE: LM2674: Alternative for LM2674MX-5.0/NOPB

    Hi Gilles, Q1-----The inductor and output cap must be adjusted per data sheet description as LM2267X is voltage control mode. Q2-----better to check IC case top temperature at max Vin, Iout and Ta, there also should be entire ground plane under the PAD…

  • LM2674: differences between LM2674MX-5.0/NOPB and LM2671MX-5.0/NOPB

    TI Thinks Resolved
    Part Number: LM2674 Other Parts Discussed in Thread: LM2671 , Hi team, I would like to know the difference between LM2671MX-5.0/NOPB and LM2674MX-5.0/NOPB. From the datasheet comparison I understood the following differences. The below pins are NC in LM2674…
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  • LM2651: LM2651

    Resolved
    Part Number: LM2651 Other Parts Discussed in Thread: LM2671 , Can the soft start input to the LM2651 be left floating as stated in the LM2671 datasheet? Couldn't find that in the LM2651 data.
    • Resolved

  • RE: LM2679: Output capacitor and Css

    Sorry for the confusion. Yes, you are correct. You would avoid using Css in that range. The LM2671 is the same family, so it will have the same concerns.

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