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  • MC33063A: work in LDO mode

    TI Thinks Resolved
    Part Number: MC33063A Hi team, Does this device able to work at LDO mode in some certain conditions? I ask because my customer is using this device for 12V to 5V conversion, in their previous design they didn't use the diode, and it works well. I begin…
    • Answered

  • MC33063A: MC33063A

    Resolved
    Part Number: MC33063A Other Parts Discussed in Thread: LM5157 , LM5122 Hi, I want to use this component to design a step-up converter Vin=5V to Vout=24V. But there is also a situation when the input voltage is 24V. Can this component work good if input…
    • Resolved

  • MC33063A: MC33063A as boost converter Power supply

    TI Thinks Resolved
    Part Number: MC33063A Other Parts Discussed in Thread: TPS61175 Currently I'm using MC33063 power supply regulator IC in our application as boost converter from 5V DC to 24V DC power supply with O/P load current of 0.3A. While we load the IC above 0.15A…

  • MC33063A: MC33063A max output Current rating

    TI Thinks Resolved
    Part Number: MC33063A Other Parts Discussed in Thread: LM53603 Greetings, I wanted to use MC33063A IC for bucking from 40V to 4V. The datasheet says "Switch Current Up to 1.5 A". My application would be to use this output to power up a few sensors, a microcontroller…
    • Answered

  • MC33063A: Query about EMC conducted emission

    Resolved
    Part Number: MC33063A Other Parts Discussed in Thread: TPS54336A , We are using your DC / DC converters. Code MC33063A in some case and TPS54336A in others. Input voltage + 24VdC. Output voltage + 3.3Vdc Regarding the EMC conducted emission immunity it…
    • Resolved

  • MC33063A: Power consumption in idle mode

    TI Thinks Resolved
    Part Number: MC33063A Hello, I need help to reduce power consumption of the attached MC33063A Circuit. I am measuring current as shown in the image and it is ~6-7mA. No load condition. Nothing else is connected except relay coil positive terminal at…

  • MC33063A-Q1: Using an External P-Chan FET for more Current, inductor current question!

    Part Number: MC33063A-Q1 Support, I think I may still be having issues with my supply! VOUT on the schematic is actually the +24V input. VFAN is +16V output to a fan. My Ct is currently 2200pF. My inductor current doesn't consistently go back to 0, as…

  • MC33063A-Q1: External P-Chan FET switch for more current! Inductor Current?

    TI Thinks Resolved
    Part Number: MC33063A-Q1 Other Parts Discussed in Thread: MC33063A , ALLIGATOR Support, I'm using an external P-chan FET for higher supply current. I worked through the formulas to determine my minimum inductance and output capacitance needed for my application…

  • MC33063A: CE Test Failing

    TI Thinks Resolved
    Part Number: MC33063A Hi, In one of our application, using MC33063A in buck configuration to convert 24V DC to 5V DC. Part of EMI/EMC testing, this circuit is failing CE and RE test at 13.8MHz I have attached our application schematic. Please suggest…

  • MC33063A: Change inductor value for MC33063A

    TI Thinks Resolved
    Part Number: MC33063A Hi team, Our customer would like to change the inductor value for their design with MC33063A. Please confirm if it is okay to change 220uH value to 110uH or 330uH in the Switch Emitter pin as they don't have available 220uH inductor…

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