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  • UCC28750: SPICE Model

    Part Number: UCC28750 Tool/software: Hi Team, Do we have a SPICE model? If not, when will we?
    • Answered

  • UCC28750:ucc287506dbvr Over Voltage Protection

    Resolved
    Part Number: UCC28750 Other Parts Discussed in Thread: TL431 Tool/software: Hello Ti I designed the attached flyback circuit using the Ucc287506dbvr integration. I designed the circuit as 72-144V input 12V-6A output. When I test the circuit under no load…
    • Resolved

  • UCC28750: TINA simulation Model

    TI Thinks Resolved
    Part Number: UCC28750 Other Parts Discussed in Thread: TINA-TI Tool/software: Hi, I am planning to design an isolated 3-output, 3W flyback converter using the UCC28750. My input voltage range is either 10V to 60V or 10V to 48V. Before proceeding with…

  • UCC28750: External Bias power

    Part Number: UCC28750 Tool/software: The UCC287506 with Flyback is being used on the power supply of the MD. However, we're considering to use a regulator circuit as below to make bias power to VDD. with that, the aux. winding of the transformer is able…

  • UCC28750: ucc287506 startup at loaded condition

    Part Number: UCC28750 Tool/software: Hi Himanshu, I need some clarification on UCC287506(100kHz, OVP) controller. I am having an issue during its startup at loaded condition(tested at 10% of full load of 60W multi-output). The observation is, the…

  • UCC28750: -300V 200mA power supply on Webench

    Part Number: UCC28750 Tool/software: I am trying to design a -300V 250mA supply (off line, with isolation). The WEBENCH tool only allows for up to -80V, and it allows for up to 1000V positive supplies. What is the reason for this discrepancy? I felt…
    • Answered

  • UCC28750: Modifying UCC28750EVM-071 design to take 1200VDC input

    Resolved
    Part Number: UCC28750 Other Parts Discussed in Thread: UCC28704 , UCC28742 , UCC28722 Tool/software: Hi, I would like to use the UCC28750EVM-071 design as a starting point for a high input voltage, isolated, DC-DC converter. Input voltage range = 200Vdc…
    • Resolved

  • UCC28750: Regarding the cycle-by-cycle peak over-current limit

    TI Thinks Resolved
    Part Number: UCC28750 Other Parts Discussed in Thread: UCC28630 Tool/software: Hi team, Is it correct that the CS pin range of the UCC28750 can trigger over-current protection if it exceeds 200mV? Also, if I select a product with a Latch type PROTECTION…
    • Answered

  • UCC28750: Transformer turns ratio and magnetizing inductance

    Resolved
    Part Number: UCC28750 Other Parts Discussed in Thread: UCC28C42 Tool/software: I have generated the offline flyback converter design report from TI WEB Bench Power designer tool for following specifications . As per the design report , turns ratio…
    • Resolved
    • Answered

  • UCC28750: Opto-coupler for Secondary-side regulation (SSR)

    Resolved
    Part Number: UCC28750 Other Parts Discussed in Thread: ISOM8110 Tool/software: Hi, We are looking at using the UCC287505DBVR and were planning on using the TCMT1107 similarly to the evaluation board. We started doing some research due to concerns of reliabilities…
    • Resolved

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