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  • UCC28704: UCC28704

    TI Thinks Resolved
    Part Number: UCC28704 Tool/software: Hi, I am planning to use UCC28704 fly back controller for a power supply design with 230VAC as input and 24V and 2 A (48W) as output. When i gave these specification in WEBENCH, got the attached design. As per this…

  • UCC28704: Guidance on Improving Efficiency of Current SMPS Design

    TI Thinks Resolved
    Part Number: UCC28704 I am currently working on optimizing the efficiency of an existing SMPS design based on a TI controller, and I would appreciate your guidance in identifying possible improvements. Below are the details of the present design and…

  • UCC28704: Power supply or IC to design power supply having 2 outputs (reference design IC UCC28704)

    Part Number: UCC28704 Tool/software: Hi Sir, We looking for a power supply or any IC which we can use to design power supply with following specifications : 1. Input Voltage range: 90 - 528VAC OR 100 - 745VDC 2. Output: O/P1: 5V/1Amp O/P2: 5V/0.2Amp…

  • UCC28704: Non isolated AC DC power supply

    TI Thinks Resolved
    Part Number: UCC28704 Other Parts Discussed in Thread: TL431 Tool/software: Good morning, everyone. I need to build a non-isolated AC-DC converter with the following characteristics: Input voltage: 240 VAC Variable output voltage: V1 = 110 VDC, V2…

  • UCC28704: Flyback Converter Troubleshooting - No Output Voltage with UCC28704 and Custom Transformer

    Part Number: UCC28704 Tool/software: Hello TI Community, UCC28704 - Calculations.xlsx I’m currently working on a design using the UCC28704 flyback controller to power a battery charger from 230VAC. However, I’m facing an issue where I’m not getting…

  • UCC28704: Design Query

    TI Thinks Resolved
    Part Number: UCC28704 Tool/software: Any recomended part is availabe for the DZ ? used in UCC28704 application note. Thanks Sakthivel

  • UCC28704: Design Query

    TI Thinks Resolved
    Part Number: UCC28704 Tool/software: Hi Team, As we are proceeding with the UCC28704 Flyback converter, we identified that the Zenner Diode placed in the return current part of primary transformer. Which is only available in SLU603B - Design tool calculator…

  • UCC28704EVM-724: UCC28704

    TI Thinks Resolved
    Part Number: UCC28704EVM-724 Other Parts Discussed in Thread: UCC28704 Tool/software: Hi TI Team, My design specification are same as EVM but output current is 2.5A for 5V. Please answer my below question 1) Can I use same transformer (750315841)…
    • Answered

  • UCC28704: Can this IC support 14V VDD input

    Resolved
    Part Number: UCC28704 Tool/software: Hi, I am planning to use UCC28704 in flyback converter of 5W. Where my transformer aux winding voltage is 14V, can this PSR controller work with 14V VDD input as the datasheet says no min rating and max 35V. But…
    • Resolved

  • UCC28704: Importing UCC28704 spice model into TINA-TI

    Part Number: UCC28704 Other Parts Discussed in Thread: TINA-TI Hello, I have been trying to import the UCC28704 spice model as a spice macro in TINA-TI. I have been getting the following error while importing. Please provide suggestions. Thanks…

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