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Showing 53 results View by: Thread Post Sort by
  • UCC2808A-1: Open Loop Configuration

    Brian Wang0928
    Brian Wang0928
    TI Thinks Resolved
    Part Number: UCC2808A-1 Other Parts Discussed in Thread: UCC28083 Is UCC2808A or UCC28083 able to be configurated with open loop control? It means there is no feedback from output voltage, in stead it's used a fixed voltage supply to CTRL pin. if so…
    • over 4 years ago
    • Power management
    • Power management forum
  • UCC2808A-1: half-bridge forward converter power-up issue when dry

    gilles mourier
    gilles mourier
    TI Thinks Resolved
    Part Number: UCC2808A-1 Other Parts Discussed in Thread: UCC3808-1 , TL431 Hello, I would appreciate if somebody could help me fixing a problem affecting an old design initially based on an UCC3808-1 and now using an UCC2808A-1. Regards Gilles …
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808A-1: Auxiliary supply specifications

    Ibrahim Cinar
    Ibrahim Cinar
    Resolved
    Part Number: UCC2808A-1 Hi, The datasheet lists IDD < 10mA with VDD at 15V. However the sink current peak at VOUTA and VOUTB is 1A. Isn't this current supplied by VDD? If that is correct, is the average IDD < 10mA because those peaks are supplied…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • RE: UCC2808A-1: In soft start,Change UCC2808A Pin 1(COMP) PWM from 0% to 50%,The expected comp voltage is from 0V to 5V.

    Tony xiong
    Tony xiong
    Hi John: UCC2808A-1 Can provide the correct output Voltage。Change duty cycle, this comp foot voltage does not change very much. meanwhile,Peak current is high at soft start。That's why?Is there a solution
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808A-1: UCC2808A Wide Input Range

    Hirotsugu Kobayashi
    Hirotsugu Kobayashi
    Resolved
    Part Number: UCC2808A-1 Is it possible to achieve a circuit of Fig.2 of ucc2808 data seat? The input voltage area which is 72V from 36V by Push - Pull system, can it correspond?
    • Resolved
    • over 9 years ago
    • Power management
    • Power management forum
  • UCC2808A-1: about sensing resistor for current limit

    Paul Kim
    Paul Kim
    TI Thinks Resolved
    Part Number: UCC2808A-1 Hi Team for UCC2808A, calulating the proper sensing resistor is by { TYP overcurrent threshold[V] / OverCurrent[A] = 0.75V / OverCurrent[A] } ?
    • over 9 years ago
    • Power management
    • Power management forum
  • Questions of UCC2808A-1(stability, snubber circuit)

    Atsushi Yamauchi
    Atsushi Yamauchi
    Other Parts Discussed in Thread: UCC2808A-1 I have quetions of UCC2808A-1. 1. stability I think UCC2808A-1 is the voltage control by the width of ON time. Is this correct? If it is correct, I think it is difficult to keep the stability of the wave…
    • over 13 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808A-1 - Unregulated PushPull

    ARC
    ARC
    Resolved
    Other Parts Discussed in Thread: UCC2808A-1 , TL431 Hi, i will build a unregulated Push-Pull-Converter with the UCC2808A-1. At fixed 200kHz it should run at nearly 90% Duty-Cycle. The Current should be limited at nearly 1,2A. I'm a little…
    • Resolved
    • over 15 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808-1: Proposal for an isolated DC/DC converter

    Kaji@PAN
    Kaji@PAN
    Resolved
    Part Number: UCC2808-1 Other Parts Discussed in Thread: UCC2808A-1 Tool/software: Hello, I am an FAE at a distributor that handles TI products. My customer is considering an isolated DC-DC converter with the following specifications. My customer is…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • UCC28089: Application note and replacement recommendation for UCC28089

    Conor
    Conor
    TI Thinks Resolved
    Part Number: UCC28089 Other Parts Discussed in Thread: UCC2808A-1 Tool/software: Hi, We are currently using the UCC28089 in our design. However, the datasheet only provides a high-level description of its usage, and we are looking for more detailed…
    • 11 months ago
    • Power management
    • Power management forum
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