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  • RE: UCC28910: Comparison table of UCC28910 and UCC28911

    Hi Kygo, Sorry for the late reply as the post did not show up as "open" in my list of assigned posts. As you explained it mainly depends on power level because of which there are some differences in the electrical characteristics which is clearly…

  • UCC28910: Having trouble designing a supply with Webench tool

    TI Thinks Resolved
    Part Number: UCC28910 Other Parts Discussed in Thread: UCC28911 , , , UCC28911EVM-718 , TIDA-00618 , PMP I'm trying to use the Webench tool to make a small UK mains to 5V isolated supply. I'll lead you through my though process, perhaps you will see where…

  • UCC28910: ucc28910

    Part Number: UCC28910 Hello, I could not find pspice library of this component ( ucc28910 ). Could you please support me ? Thanks in advance, Best regards, Sinem

  • UCC28910: Reason of Oscillation in the Voltage across MOSFET and Diode and Voltage dip at starting

    TI Thinks Resolved
    Part Number: UCC28910 Dear sir , While designing the flyback converter (Specs-Vin 380V ,Vout =15V,0.5A) using UCC28910 we are facing the following problems - (1) When both MOSFET and diode are off after demagnetization time we are getting the oscillation…

  • UCC28910: Output ripple

    TI Thinks Resolved
    Part Number: UCC28910 Dear team, Please review below schematic and let me know your opinion regarding how can i debut output ripple. please refer to the below schematic and waveform. <schematic> - Changed to R185 (91k), R186 (33k) <Waveform>…
    • Answered

  • UCC28910: Is UCC28910 suitable for a low power offline flyback convertor with 140 VDC output

    Resolved
    Part Number: UCC28910 Other Parts Discussed in Thread: UCC28704 , UCC28C42 I’m working on the design of an offline flyback power supply generating ~140VDC and capable of supplying ~ 20mA of current. Efficiency is not a great concern and the output voltage…
    • Resolved

  • UCC28910: in high side buck mode

    TI Thinks Resolved
    Part Number: UCC28910 Hello, customer has following requirements: Vin 40 -140VDC, Vout 12V, Iout: 500mA, non-iso (no use of transformator) and wants to use the UCC28910 in high side buck configuration. Do you have a reference design? Other ideas? Regards…
    • Answered

  • UCC28910: Iout

    Resolved
    Part Number: UCC28910 Hi, What is the difference between the following "Iout" and IOCC? Best Regards, Kuramochi
    • Resolved
    • Answered

  • UCC28910: RPRL

    Resolved
    Part Number: UCC28910 Hi, When output current is small, RPRL is calculated negative value as below and attached. SLUC503B_UCC28910 Design Calculator.xlsx How should I set RPRL in this case? Or, is small current not allowed? Best Regards, Kuramochi
    • Resolved
    • Answered

  • UCC28910: Equation (28)

    Resolved
    Part Number: UCC28910 Hi, The equation is shown to calculate the ID_PK(max) on the datasheet as below. Though VCCR is used on the equation(28), is this correct? This is not VCCR but VCSTE(max), right? Best Regards, Kuramochi
    • Resolved

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