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  • LM339: High-level output current confirmation

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    Part Number: LM339 Hi, I want to confirm whether the high level output current is for each channel or the total current, which is not specified in the document. Many thanks~
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  • LM339: Reverse input

    Resolved
    Part Number: LM339 Hi Experts, Kindly assist us with this query. From the application note, I got that information in Figure 13 includes a circuit to detect full charge and gives a visual indication of charge completion with an LED. This circuit turns…
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  • LM339: Alternative in a QFN package

    Resolved
    Part Number: LM339 Other Parts Discussed in Thread: LMV339 , , TLV1702 , LM393B , TLV9024 , LM2903B , TLV7044 Hey! Are there any comparators similar to the LM339 which come in a QFN package? I did an unfruitful parametric search (likely because I’m on mobile…
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  • LM339: FIT Rating; interpretation with single and multi device parts

    TI Thinks Resolved
    Part Number: LM339 Other Parts Discussed in Thread: LMV331 , , TL331 , LM393 Hi there, say i have a quadruple comparator with FIT rating 2.2 like the LM399 (A generic single one like the LMV331 has a FIT rating of 11.6).We have now the following discuss…
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  • LM339: Input connection consideration

    Resolved
    Part Number: LM339 Good Day The Ti LM339 application note states that inputs should not be connected directly to a low impedance node. In my case does this mean Version A of the circuit is the correct one? The only difference between the two is the 1k…
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  • LM339: Simulation ok, but prototype doesn't work

    Resolved
    Part Number: LM339 Hi TI team, merry christmas and happy new year!! I am using a LM339 comparator to detect a LED circuit. The input from LED circuit is 5V or 3V. I hope when input is 3V, LM339 output low and MOSFET on. and when input is 5V, LM339 output…
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  • LM339: schematic review

    TI Thinks Resolved
    Part Number: LM339 Other Parts Discussed in Thread: , TLV1704 Team, can you help explain why we get 0.79V on the output regardless of input in this schematic?
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  • LM339: effect of operation above/below maximum/minimum junction temperature

    Resolved
    Part Number: LM339 Other Parts Discussed in Thread: LM139 , LM239A , LM239-N , LM2901-N , LM2901V , LM2901 , LM239 Hi, we wanna use the LM339 in our design. The junction temperature of this device is quite limited and we wondering if the Tjmin (0degC) and Tjmax…
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  • LM339: LM339M/NOPB

    TI Thinks Resolved
    Part Number: LM339 Hi Please Provide me the Updated Full Material Declarations for the part LM339M/NOPB as per the PCN 20210427002.1B The Material Content sheet of TI website does not have the Updated MD as per the PCN. Thanks and Regards Thomas Geor…
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  • LM339: output capacitor / schematic review

    Resolved
    Part Number: LM339 Hi all My customer has implemented a window comparator circuit as illustrated in the below schematic with the LM339. Under normal operation the output of U7 is high. If a fault condition occurs the output of U7 is pulled low. For one…
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