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  • Backfeeding LM22672

    Resolved
    Other Parts Discussed in Thread: LM22672 Hi, We have an application using LM22672MRE-5.0 to convert VIN (12 - 24 VDC) to output 5 VDC. But this product also has the option to be powered by 5 VDC from USB or from a separate connector. So the question is: With…
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  • LM22672 output oscillations during load

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    Other Parts Discussed in Thread: LM22672 I've just received our prototype boards with the LM22672 5 V DC/DC. Problem is that the output voltage has oscillations when the load is increased. These oscillations are in the same frequency range as our…
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  • LM2672: P2P alternative for part with supply issues

    TI Thinks Resolved
    Part Number: LM2672 Other Parts Discussed in Thread: LM22672 , TLVM13620 Hi to all, I have a question regarding the LM2672MX-ADJ/NOPB. As there are supply issues with this part and with all fixed voltage derivates!! Is there a possible P2P replacement…
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  • LM22672 used for external SYNC

    Resolved
    Other Parts Discussed in Thread: TPS54340 , LM22672 Hi folks, I need to syncronize two cascade dc dc converter: first is TPS54340 (output voltage 12V), and second LM22672 (input 12V, output 3v3). I see in datasheet it's possibile to self syncronize two LM22672…
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  • LM22672 Minimum VIN

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    Other Parts Discussed in Thread: LM22672 It isn't clear from the documentation how much higher VIN needs to be over VOUT. I can only make inference from the duty-cycle calculation. My application is VIN = 2x LION batteries in series, sum voltage of…
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  • The input/output capacitor calcaulating formula of LDO(LM22672)

    Resolved
    Other Parts Discussed in Thread: LM22672 , LM22670 , LM46002 Dear engineer: Hello! I am a hardware engineer of Emerson, we selected LM22672 as our power chip, but I don't know how to choose input and output capacitor of LM22672, such as type, value of capacitors…
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  • RE: LM22672 into ideal diode weird behavior

    Resolved
    It sounds like it is some kind of transient. Also, be sure that the Schottky diode is close to the device to avoid any parasitic voltages. FD
    • Answered

  • LM22672-5.0 Faulting Issue

    Resolved
    Other Parts Discussed in Thread: LM22672 Hi, For our application we are utilizing small voltage regulator PCBs based on the LM22672 mounted onto a larger PCB (see attached picture). The input supply is 24VDC and the output voltage from the regulator is…
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  • LM22672 getting stuck in a weird regulation cycle

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    Other Parts Discussed in Thread: LM22672 I'm using a LM22672 to step down 24V to 5V. Occasionally (1 time in 200-300) the LM22672 will come up stuck in a limit mode at about 2.2 V with 140ns wide pulses. It will stay in this mode until power is cycled…
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    • Answered

  • Start-Up Question of LM22672/LM22680

    Resolved
    Other Parts Discussed in Thread: LM22680 , LM22672 Hi~ Out customer use LM22672/LM22680 device. But Our customer have start-up problem. * Condition : - Vin : 10V, Vout : 7.1V - Current : Nominal(Under 30mA : Non operating Motor), Active(1A, Operating Motor…
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    • LM22672_LM22680 Question.doc

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