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  • RE: UCC28610: excessive ripple at low amplitude AC input

    Resolved
    Hello, Thank you for your advices. Output voltage dipping issue was solved by increasing input capacitance 100uF to 220uF (added parallel 120uF to original circuit). blue: original output yellow: improved output Regarding The high frequency output ripple…
    • Answered

  • UCC28C43: Cin capacitance calculation of UCC28C43 and UCC28610

    Resolved
    Part Number: UCC28C43 Other Parts Discussed in Thread: UCC28610 There are 2 different Cin capacitance calculation of UCC28C43 and UCC28610. Could you tell me the difference between them？ Thanks！ UCC28610 UCC28C43
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    • Answered

  • UCC28610: UCC28610 alternative

    Resolved
    Part Number: UCC28610 Hi, I am using UCC28610DR, but I am having a hard time getting it. Please let me know if there is a similar product that can be replaced with P2P. Thanks, Astro
    • Resolved

  • UCC28610: drop in replacement of NCP1351BDR2G

    TI Thinks Resolved
    Part Number: UCC28610 Other Parts Discussed in Thread: LM5021 Hi Expert, Do we have any drop in replacement of NCP1351BDR2G? Thanks. Regards, Jared.

  • UCC28610: Frequency and Peak Current Modulated issue

    TI Thinks Resolved
    Part Number: UCC28610 Other Parts Discussed in Thread: UCC28600 , LM5023 , UCC28711 , UCC28701 Hi TI team, My company is looking for QR flyback IC and wants me to search for some useful solution, and I read some documents from TI. I have some questions…
    • Answered

  • UCC28610: FB input current calculation

    Resolved
    Part Number: UCC28610 Hi Team, UCC28610's FB pin sinks current from opto-coupler, so the FB current should highly depend on opto-coupler's CTR, is there any way to calcaute FB pin current? Besides, according to datasheet, the absolute maximum rating…
    • Resolved

  • UCC28610: UCC28610 applied circuit output voltage control inquiry

    TI Thinks Resolved
    Part Number: UCC28610 Other Parts Discussed in Thread: TL431 Hi, TI expert. The customer used UCC28610 to configure the circuit. TL431 is applied to the secondary feedback stage and the output voltage is set to 15V, but it is said that the output voltage…

  • UCC28610: How to calculate brown in voltage of UCC28610

    TI Thinks Resolved
    Part Number: UCC28610 Dear Champs, For UCC28610, is there a way calculate the bulk voltage when the device start to work? We understood the working is determined by the voltage on Vdd pin, but is there any way to calculate the bulk voltage at that moment…
    • Answered

  • UCC28610: Maximum Output Voltage of Flyback Converter

    Resolved
    Part Number: UCC28610 Hi, I currently use the UCC28610 in a 16.5V 45W module, and was hoping to use the same controller for a new multiple-output module I am designing, with +60/+20/0/-20/-60 rails and a total 42W output power. However, I notice that…
    • Resolved

  • UCC28610: UCC28610

    TI Thinks Resolved
    Part Number: UCC28610 What are all the modifications required to use the above control circuit for 440VAC. Mosfet, transformers will be selected according the rectified pk voltage. Kindly suggest for thr required modification in the control circuit part…

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