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  • MC34063A: Operating Frequency

    TI Thinks Resolved
    Part Number: MC34063A Other Parts Discussed in Thread: MC33063A Hi Team, Good day! I'm posting this to continue our support with our customer. Kindly please help to check We are using MC34063AD in one our product and it was or is implemented…

  • MC34063A: frequency calculation on inverting design

    Part Number: MC34063A Hi, My customer asks how to calculate MC34063A freq. on inverting design? this is -12V output from +12V input, Iout = 0.05A only. From data sheet, CT = 4*10^-5*Ton, following those equation, freq. = 44KHz around, however, 138KHz…

  • MC34063A: Design help/Alternative

    TI Thinks Resolved
    Part Number: MC34063A Other Parts Discussed in Thread: LMR14050 , TPS54531 Hi Experts, Good day. Seeking your assistance on this query. 1. We want to ask that I m using MC34063 IC, Can I use MOSFET or an NPN Transistor to gain High Current. Please see attached…
    • Answered

  • MC34063A: Question about MC34063AD

    Resolved
    Part Number: MC34063A Other Parts Discussed in Thread: MC33063A Hello: 1. Can mc34063ad be replaced by mc33063ad? 2. Operating ambient temperature: MC34063AD：0℃~70℃ MC33063AD：-40℃~85℃ What is the difference between the manufacturing process and material…
    • Resolved

  • MC34063A: Does MC34063A can replace NCP3063 directly ?

    Part Number: MC34063A Hi team, Does MC34063A can replace NCP3063 directly? PCB can not modify. Some application Pin8 and Pin1 connect each other. Pin8 of NCP3063 is NC. thanks!

  • MC34063A: Pspice model

    TI Thinks Resolved
    Part Number: MC34063A Hi, I am looking for a Pspice model of MC34063A. Where can I find it? Many thanks Hubert

  • MC34063A: Boost Converter Capabilities for 800mA output current

    Part Number: MC34063A Other Parts Discussed in Thread: MC33063A , LM5157 Hello, I would like to know if the MC34063A or the MC33063A can be used for the following step-up/boost converter applications? Input Voltage Range 5-12V Output Voltage: 14 or 1…

  • MC34063A: Any limitations on the output voltage setting resistors

    Part Number: MC34063A I am designing a 3.3VDC power supply using the MC34063A regulator. To mimimize part count on my board, I would like to use a 12.1K and 20K resistor to set the output voltage at 3.3V. I cannot find anything in the data sheet about…

  • MC34063A: EMI issue

    Part Number: MC34063A Other Parts Discussed in Thread: LM5008 Hi, I use MC34603 and LM5008 but meet EMI issue, I need provide what waveform to you for this issue? Thanks Jeff
    • Answered

  • MC34063A: Ton/Toff vs CT

    Resolved
    Part Number: MC34063A Hi Expert, Will need to design the MC34063A for Voltage-Inverting Converter Application. Need to define the ton/frequency firstly. Pls advice whether the (figure 1 curve) for CT vs Ton/off will independent for varied Vin,Vo design…
    • Resolved

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