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  • UCC25600: UCC25600 startup current

    TI Thinks Resolved
    Part Number: UCC25600 Hello, I'm designing an LLC converter using a UCC25600. The controller is powered at startup by a bias resistor connected to the DC input. After startup, an auxiliary winding provides 12V to the VCC pin. To determine the power rating…

  • UCC25600: How to use ZVS in UCC25600

    Part Number: UCC25600 Hi, I am developing an SMPS using UCC25600 and want to know below two things 1)How to use ZVS, I could not understand from the datasheet 2)In case of half bridge SMPS, there is typically two bulk capacitors across VBUS, each…

  • UCC25600: UCC25600

    Part Number: UCC25600 Tool/software: TestUCC25600.TSC After downloading the UCC25600 Tina spice model from your website and incorporated it into a simple resonant circuit I get the error: irregular circuit. So I created a design with only the UCC25600…

  • UCC25600: UCC25600 Tina Simulation Model

    TI Thinks Resolved
    Part Number: UCC25600 Other Parts Discussed in Thread: TL431 Tool/software: Hello, I'm using UCC25600 for LLC converter with the following specifications:- Input Voltage :- 665Vdc Switching Frequency :- 100kHz Output Voltage :- 55V Output Power…
    • Answered

  • UCC25600: Onsemi MC33067DWR2G Replacement

    Resolved
    Part Number: UCC25600 Other Parts Discussed in Thread: UCC256403 Hi Team, Currently, we found a LLC controller opportunity with On MC33067DWR2G, and I promoted UCC25600(for cost) & UCC256403(for high performance) to customer, could you please help double…
    • Resolved
    • Answered

  • RE: UCC25600-DESIGN-CALC: UCC25640x Design Calculator

    Resolved
    Thank you Yamini, This calculator solved my problem.

  • UCC25600: SLOU239C Design Files - 600-W Isolated PFC Power Supply Reference Design

    Part Number: UCC25600 Are there design files available for this power supply reference design? www.ti.com/.../slou293c.pdf I'm unable to find anything on the TI website.

  • UCC25600-DESIGN-CALC: LTSPice Model Needed

    Part Number: UCC25600-DESIGN-CALC Other Parts Discussed in Thread: UCC25600 Hi, This is regarding UCC27324P and UCC28950PW ICs. I am trying for LTSpice models for these two parts. I couldnot find any Spice Models for thes two parts on the website or…

  • UCC25600EVM: UCC25600 Soft Start issues.

    Part Number: UCC25600EVM Other Parts Discussed in Thread: UCC25600 , LM324 Morning, having an issue with some SMPS power supply's looking for some ideas or help regarding a Soft Star issue relating to UCC25600 Resonant controller. Numerous start up…
    • Answered

  • UCC25600: how to use open loop about UCC25600

    Resolved
    Part Number: UCC25600 Tool/software: I tried adjusting the compensator, but when I start scanning my loop, it always affects the output voltage. Because my output voltage is 580V, I want to try scanning using the open-loop method. How can I adjust the…
    • Resolved

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