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  • MC33063A: Minimum load requirement

    Resolved
    Part Number: MC33063A Hello team, I believe the max load is 1.5A for MC33063A. Is there any minimum load requirement for MC33063A? Best Regards, Kei Kuwahara
    • Resolved

  • MC33063A: MC33063A

    TI Thinks Resolved
    Part Number: MC33063A Kindly help me in providing SPICE model of MC33063ADR for simulation.

  • MC33063A: Transistor choice for inverting MC33063A design

    Part Number: MC33063A Below is a schematic of design I've created using the MC33063A chip. I am have trouble with Q1 (circled in red) when I use a certain part, and I can't quite understand why. As a little bit on the theory of operation - I…
    • Answered

  • MC33063A: Design Clarification & Components Ranges

    Resolved
    Part Number: MC33063A Hai Sir, Based on Customer recommendation we are using MC33063A for voltage conversion. End application- Controlling & Analog outputs driving. Can you please give me the clarification about my queries posted below... 1) Designing…
    • Resolved

  • RE: MC33063A: Inverting Converter Application Component Selection and Operation

    Hello Joe, We have not heard from you for a while, so I assume your problem has been solved and I am closing this thread now. You can re-open it or simply start a new one if this one got locked. Best regards, Harry
    • Answered

  • MC33063A: Vf voltage at +85deg

    Resolved
    Part Number: MC33063A Dear Specialists, My customer is considering MC33063A and has a question. I would be grateful if you could advise. --- Vth-Full range is described in the data sheet P.5 7.6 Electrical characteristics.(1.21Vmin ~ 1.29Vmax) Which is…
    • Resolved

  • MC33063A: Audible Noise from DC to DC Converter MC33063A

    Part Number: MC33063A I am using MC33063 in Step Down mode to achieve 5V, 700 mA from 24V VDC Input. During the testing with Resistive load (e.g. No Load to 700 mA) continuous Humming Noise is listened. I have conducted several tests to resolve this issue…

  • MC33063A-Q1: Select MC33063A-Q1_ TRANS will make a mistake.

    Part Number: MC33063A-Q1 Select MC33063A-Q1_ TRANS will make a mistake.

  • RE: MC33063A: quiescent current data in inverting buck-boost mode

    Hi Wiky Liao, I hope you have found the source of the leakage in the customer board. I will close this thread for now, as there are no additional comments. If you have further questions or need more help in analyzing the board, feel free to comment below…

  • MC33063A: Having trouble determining values needed for capacitors/resistors/inductor

    Part Number: MC33063A I'm planning on using this to step up a battery voltage from 3.7 to 5v. Looking at the datasheet, the step-up circuit given is much larger from 12-28v. I see the table for determining the values, but I'm not sure what ton and toff…

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