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Showing 10 results View by: Thread Post Sort by
  • UCC28781: DC/DC isolated 30W 5V output

    Jack
    Jack
    TI Thinks Resolved
    Part Number: UCC28781 Other Parts Discussed in Thread: UCC28782 , , UCC5304 Hi, I want to design a with following specifications: Input voltage: 30V-200V (if too wide, can be made in two options, 30V - 90V, 80V - 200V) Output voltage: 5V 6A Currently,…
    • 9 days ago
    • Power management
    • Power management forum
  • Answered
  • UCC28781: Can UCC28781 support 200W application without PFC?

    Shaofeng Luo
    Shaofeng Luo
    Resolved
    Part Number: UCC28781 Other Parts Discussed in Thread: UCC2897A Hi team Customer wants to develop 200W AC-DC with Flyback, 85V~264VAC standard input, and due to low-cost consideration, they want to use UCC28781 to finish this 200W power without PFC stage…
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
  • RE: UCC28781: AC-DC Converter with power factor correction

    Ulrich Goerke
    Ulrich Goerke
    Hi Sam, The UCC28050 does not have any kind of simulation model available, so the only way to run a simulation with both controllers is to manually construct your own Simplis device model for the UCC28050 using its datasheet block diagram, parameter table…
    • 2 months ago
    • Power management
    • Power management forum
  • UCC28781-Q1: Max Power Conversion possible with UCC28781

    Vaibhav Chandra
    Vaibhav Chandra
    TI Thinks Resolved
    Part Number: UCC28781-Q1 Other Parts Discussed in Thread: UCC28781 , , UCC28782 Hello, Pout <400W is possible to achieve with UCC28781 IC, with Single stage PFC Forward converter? Is Simulation model available for this IC? Thanks
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC28781: Searching TI solution

    Kygo Cheng
    Kygo Cheng
    Resolved
    Part Number: UCC28781 Other Parts Discussed in Thread: UCC28704 , Hi Team, There is a good new that we could DIN TI product! Customer is looking for the replacement of ob2500pop (P2P would be better ) 1. Please help suggest TI solution, THX 2.please help…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC28781: Comparing with UCC28782

    Dice-K
    Dice-K
    Resolved
    Part Number: UCC28781 Other Parts Discussed in Thread: UCC28782 , Hi support team, A similar product is UCC28782. How is the purpose of using UCC28781 different? Regards, Dice-K
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • RE: Controller for multi output flyback

    Satyajit C
    Satyajit C
    Thanks JCHK Is there any design sheet for the UCC28782 or UCC28781 Also how can I possibly get the Ltspice model of these Please suggest
    • 12 days ago
    • Power management
    • Power management forum
  • Answered
  • RE: Switching regulator for power supply with multiple output

    Claire Chang
    Claire Chang
    Resolved
    Hello Danilo, Base on the overall output power needed I would recommend our medium power Zero Voltage Switching (ZVS) and Active Clamp Flyback (ACF) Controllers . UCC28780 : ACF flyback, high power density/efficiency solution with variable switching frequency…
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC28780EVM-021: UCC28780

    Jung-hui Cheng
    Jung-hui Cheng
    Resolved
    Part Number: UCC28780EVM-021 Other Parts Discussed in Thread: UCC28781 , UCC28780 Q2 (P/N BSS126H6327XTSA2) of UCC28780EVM-021 has drain-source on-state resistance around 300 ohms (maximum 700 ohms). Could use use CPC3960 which has maximum on-state resistance…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC28740: Searching TI solution

    Mike O'
    Mike O'
    Resolved
    Hello, What is your efficiency specifications? The design you did was for a standard output rectifier. You increase the efficiency by using a synchronous rectifier FET by 3 to 5 W. This would improve the efficiency by 5 to to 8%. You could use the UCC24612…
    • 11 months ago
    • Power management
    • Power management forum

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