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  • LM22677 Master/Slave

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    Other Parts Discussed in Thread: LM22677 , LM5576 Hi, I would like to operate two LM22677's driving separate loads both at the same voltage. One would be on continuously and the other would be commandable ON/OFF as needed. When both were on, the slave…
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  • RE: LM22677 vout>5v with webbench

    Resolved
    I am not sure what caused your problem. When I entered the design into Webench from the LM22677 product folder it created the following design for me. Regards, Marc
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  • LM22677 Voltage Regulation

    Resolved
    Hi, I have made a PCB for a buck converter with a constant 5 V output and maximum output current of 4 A using LM22677-Q1-5.0. The input voltage(battery source) will vary between 6.5 to 8.4 volts. The circuit schematic used was generated by the WEBENCH…
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  • Problem with LM22677

    Resolved
    Other Parts Discussed in Thread: LM22677 Ladies and Gentlemen, I bought the LM22677 switching regulator from a supplier of your company and I hav built my board with the help of tools : Webench Design Report . my data : Vinmin = 20 V Vinmax 27 = V Vout…
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  • LM22677 - two in parallel?

    Resolved
    Other Parts Discussed in Thread: LM22677 , LM2575 , LM5118 , LM3478 , LM3481 , LM3488 Can I use two LM22677s in parallel? If so, is there a reference Cct?
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    • Answered

  • LM22677-5.0V Output Regulation Problem

    Resolved
    Good day, I am new at designing power supplies and I am designing a power supply with the following specs: Vin = 9 – 36Vdc Vout = 5Vdc. Imax = 5A. I am experiencing an unusual regulation issue in the LM22677-5.0V and am seeking ideas or…
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  • LM22670,LM22677...

    Resolved
    Other Parts Discussed in Thread: LM22677 , LM22670 Hello Mr/Ms, I will use LM22670-adj in topology Buck and inverter together with LM22677 in buck topology (3x CI LM22670 as buck, two CI LM22670 inverter, and one LM22677 as buck). I want to use the…
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  • Mysterious failure with LM22677

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    Other Parts Discussed in Thread: LM22677 , LM2677 My configuration: LM22677 in standard application circuit(see attachment) Components according to Webbench designer Input voltage 24-32 Volts Output voltage 18V Output current 1.5-2A The enable…
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  • Temperature fail with LM22677

    Other Parts Discussed in Thread: LM22677 , LM2677 We have been using the LM2677 for long with no problems. Now we changed over to LM22677 and have plenty of fails at high temperatures. We are using a standard application circuit from the webbench designer…
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  • LM22677 12V 5A design ok?

    Resolved
    Other Parts Discussed in Thread: LM22677 Hello, maybe somebody can have a look to my design with the LM22677. I use the webench for sizing the parts. 0714.WebenchReportsServletlm22677.pdf So here are my design: there will be a big passive…
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