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Showing 22 results View by: Thread Post Sort by
  • UCC2808A-2Q1: COMP pin

    kura
    kura
    TI Thinks Resolved
    Part Number: UCC2808A-2Q1 Tool/software: Could you please tell me about the COMP terminal of the TI UCC2808A-2Q1? Question 1 When COMP terminal is open, how much voltage is found COMP pin ? Please tell me the electrical characteristics, if any. …
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808A-2Q1: UCC2808A-2Q1 working frequency range

    Marc Liu
    Marc Liu
    Resolved
    Part Number: UCC2808A-2Q1 Hi Team, Why the UCC2808A-2Q1 Webench model showed switching frequency from 50kHz to 1Mhz only? Customer want to use it in 40kHz. From datasheet Figure 3, the working frequency can low to 7Khz. Could you help confirm the…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC2808A-2Q1: operation

    kura
    kura
    TI Thinks Resolved
    Part Number: UCC2808A-2Q1 Please see attached(circuit and waveform). circuit and waveform.xlsx We would like to know UCC2808A-2Q1 operation sequence. 1.Out is about 50% duty and COMP voltage is High(7.5V) In normal condition: 2.They increase…
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC2808A-2Q1: UCC2808A-2Q1

    SAYAN MUKHOPADHYAY
    SAYAN MUKHOPADHYAY
    TI Thinks Resolved
    Part Number: UCC2808A-2Q1 I need the SPICE or LIB file for UCC2808A-2Q1 , can you please provide the same.
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC2808A-2Q1: operation

    kura
    kura
    TI Thinks Resolved
    Part Number: UCC2808A-2Q1 Our customer consider to use UCC2808A-2Q1. We got following questions from them. Please advise us. 1) When the CS terminal detects the threshold, the DUTY of the OUTA or OUTB output is reduced as shown in the attachment…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808A-2Q1: Startup Timing Questions

    PY (Pengyu) Song
    PY (Pengyu) Song
    Resolved
    Part Number: UCC2808A-2Q1 Hi team, How long it takes for this IC to start its PWM output upon powering on? For its internal soft-start, can it be affected by external capacitors installed on COMP pin? Thanks!
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC2808A-2Q1: UCC2808AQDR-2Q1 and UCC2808AQDR-2G4Q1

    Arie Li
    Arie Li
    TI Thinks Resolved
    Part Number: UCC2808A-2Q1 Other Parts Discussed in Thread: LM25037 Hi Experts, What's the difference between UCC2808AQDR-2Q1 and UCC2808AQDR-2G4Q1? Thanks. Arie
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808A-2Q1: VDD Operating Range

    PY (Pengyu) Song
    PY (Pengyu) Song
    Resolved
    Part Number: UCC2808A-2Q1 Other Parts Discussed in Thread: UCC2808A-2 Hi team, There is no spec on recommended VDD in datasheet - any advice what is the recommended operating condition for VDD for UCC2808A-2Q1? Since start threshold UVLO of UCC2808A…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC2808A-2Q1: Request of PSpice Model

    PY (Pengyu) Song
    PY (Pengyu) Song
    Resolved
    Part Number: UCC2808A-2Q1 Other Parts Discussed in Thread: LM25037 Hi team, Customer is requesting PSpice model for UCC2808A-2Q1 (UCC2808AQDR-2Q1). Please let me know how to support this.
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • UCC2808A-2Q1: needs a model file

    WeyAnn Chen
    WeyAnn Chen
    TI Thinks Resolved
    Part Number: UCC2808A-2Q1 Is there possible to have the spice file for the part? I need to show this part can generate 50kHz PWM. the related parts from TI discussion will not work at that frequency.
    • over 4 years ago
    • Power management
    • Power management forum
>

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