Answered

• UC3854: TI devices discontinution information needed

  

  Pravin Dhutekar

  Resolved

  Part Number: UC3854 Tool/software: Hi, We are using the TI devices. Kindly confirm the attached devices are discontinued by TI. 451210186161_TI.pdf Regards, Pravin Dhutekar email-Pravin.dhutekar@philips.com Mobile- +91 7387000455

  • Resolved

  • 2 months ago
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• UCD3138: What are the advantages and benefits of using UCD3138 over UC3854?

  

  Tom Tom

  TI Thinks Resolved

  Part Number: UCD3138 Other Parts Discussed in Thread: UC3854 , PMP20873 Tool/software: Regarding UC3854 and UCD3138 used in the PMP20873 development board, we noticed that they both have three inputs: input voltage, input current, and output voltage.…

  • 2 months ago
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• UC3854: output current limit

  

  Gabriel Wang1

  TI Thinks Resolved

  Part Number: UC3854 Dear Expert Customer input 192V-288V Vdc ，and output 370 Vdc 1200W . And they found some of our IC could be output current limit when doing test in functional test ,and if they change another IC ,and could be work well . They try…

  • 10 months ago
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• UC3854: UC3854 vs UC3854A differences

  

  HS FAE Germany

  TI Thinks Resolved

  Part Number: UC3854 Hello, customer is searching for a drop-in-alternative (or ptp) for the UC3854DWTR. Can he use the UC3854A? What are the differences? Regards, Holger

  • over 1 year ago
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Answered

• UC3854: looking for PFC controller

  

  shinya.itagaki

  Resolved

  Part Number: UC3854 Other Parts Discussed in Thread: UC1854 , UCC28070 , UCC28180 , UCC28019 , UC2854 I started designing with the UC3854, but found that the operating temperature rangetemperature condition of 0-70°C is NG. From the product specifications…

  • Resolved

  • over 1 year ago
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• UC3854: UC3854DWTR -F meaning

  

  Robert Laznicka

  TI Thinks Resolved

  Part Number: UC3854 Hello, what is the difference between UC3854DWTR and UC3854DWTR-F, I couldn't find the meaning of the suffix '-F'. Thank you,

  • over 2 years ago
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• UCC28070：UCC28950 / UCC3895 /UC3854

  

  CHIEN

  TI Thinks Resolved

  Part Number: UCC28070 Other Parts Discussed in Thread: UCC28950 , UC3854 , UCC3895 , 想設計一個交換式電源供應器 , 三組輸出電壓總功率約2.5kw 想請問有UCC3895 or UCC28950 相關參考設計嗎? 並搭配 UC3854 or UCC28950 BOOST PFC 電路

  • over 2 years ago
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• UC3854: Are there Static error for current inner loop in theory ?

  

  Qiao Haibo

  TI Thinks Resolved

  Part Number: UC3854 Hi Due to current inner loop is to trace Sine reference (coming from output of voltage loop times input voltage), and the current compensator is opamp configured type-2 compensator. I think in theory, this compensator will lead to…

  • over 2 years ago
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• UC3854: Device with PSPICE model similar to UC3854?

  

  Antonio Faggio

  TI Thinks Resolved

  Part Number: UC3854 Other Parts Discussed in Thread: UCC28180 Hi, For a new design my customer is considering PFC UC3854 as it can also be used as a Buck (and not only as a boost) with 80-265Vac and 130Vdc as output, 15A continuous and 25A pk. However…

  • over 3 years ago
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Answered

• UC3854: Synchronizing the UC3854

  

  David Kravitz

  Resolved

  Part Number: UC3854 Other Parts Discussed in Thread: UCC28063A , UCC3895 Hello, I am looking for some support on synchronizing this part to a downstream PWM converter. Please advise. Thanks!

  • Resolved

  • over 3 years ago
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