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  • UC2854B: Understanding Current Limiting in UC2854

    Sundar Doraiswamy
    Sundar Doraiswamy
    TI Thinks Resolved
    Part Number: UC2854B Other Parts Discussed in Thread: UC2854 , UC2854A Tool/software: We would like to understand the current limiting mechanism of the UC2854B PFC controller. In our design: The multiplier block receives inputs from: The DC output v…
    • 1 month ago
    • Power management
    • Power management forum
  • UC2854B-EP: How to limit the current harmonics during standby load conditons?

    Aravind S
    Aravind S
    Part Number: UC2854B-EP Tool/software: Dear TI Team, I am designing a PFC system for an aircraft application with an input operating range of 90Vrms to 134Vrms and a frequency range of 360Hz to 800Hz . The peak load for the design is 300W , while the standby…
    • 4 months ago
    • Power management
    • Power management forum
  • UC2854B-EP: Operating Voltage Range

    Aravind S
    Aravind S
    TI Thinks Resolved
    Part Number: UC2854B-EP Other Parts Discussed in Thread: UC2854B , Tool/software: Dear TI Team, In the UC2854B-EP datasheet, the operating voltage values appear to be contradictory. For your reference, I have attached an image showing the issue. The…
    • 5 months ago
    • Power management
    • Power management forum
  • UC2854B-EP: Query Regarding Vref Voltage Behavior in PFC Controller

    Aravind S
    Aravind S
    TI Thinks Resolved
    Part Number: UC2854B-EP Other Parts Discussed in Thread: UC2854 , UC2854B , Tool/software: Hi Team, I need to know the voltage on the Vref pin of the PFC controller when I apply 0V to the Enable signal and 15V to the VCC pin of the controller. Will the…
    • 4 months ago
    • Power management
    • Power management forum
  • UC2854B: UC2854B related issues

    jeno.zhang
    jeno.zhang
    TI Thinks Resolved
    Part Number: UC2854B Tool/software: Hi, The following two images, the direction of the chip in the left image is indicated by a notch, while the direction of the chip in the right image is indicated by a dot; Are both normal? Is the silk screen printing…
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • UC2854B-EP: Thermal - datasheet theta jc and ja mixed?

    Su Mun
    Su Mun
    Resolved
    Other Parts Discussed in Thread: UC2854B-EP C2854B-EP ; SGLS318A –NOVEMBER 2005–REVISED NOVEMBER 2015 That is the datasheet i'm looking at UC2854B-EP Advanced High-Power Factor Preregulator UC2854B-EP SOIC (16) 10.30 mm × 7.50 mm …
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • UC2854B: UC2854BDW

    NETHRAA KUMAR
    NETHRAA KUMAR
    TI Thinks Resolved
    Part Number: UC2854B Hi Please share if anyone have LTSpice model for the PartNumber : UC2854BDW
    • over 1 year ago
    • Power management
    • Power management forum
  • UC2854B: UC2854BDW

    NETHRAA KUMAR
    NETHRAA KUMAR
    TI Thinks Resolved
    Other Parts Discussed in Thread: UC2854B Hi Ti Team, Client specifically requires above Part number. So please kindly share the LTSpice model for the above Partnumber,
    • over 1 year ago
    • Power management
    • Power management forum
  • UC2854B: UC2854B details needed

    Seshaiah Bandla
    Seshaiah Bandla
    TI Thinks Resolved
    Part Number: UC2854B Other Parts Discussed in Thread: UC2854 Can we have a clear explanation on the difference between UC2854DW, UC2854ADW, UC2854BDW? We are in need of UC2854BDW parts around 2000 qty, for regular production of welding equipment. We need…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC2854B: Looking for PFM controller product like UC2854B that has PSpice or Simplis model available

    Jim Brinkhurst1
    Jim Brinkhurst1
    Resolved
    Part Number: UC2854B Other Parts Discussed in Thread: UCC28180 , UCC28056 , UCC28070A , UCC28063A , UCC28064A , UCC28065 Hi experts I see that no behavioral models are available for the UC2854B. Can someone recommend some similar newer devices with equivalent…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
>

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