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• UC2854B: UC2854B Current Error Amplifier

  

  John_Fletcher

  Resolved

  Part Number: UC2854B Other Parts Discussed in Thread: UCC3818 , UCC28070 CURRENT ERROR AMPLIFIER This error amplifier configuration conventionally has a resistor from the inverting input to common, and a resistor from the multiplier output to a negative…

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  • over 4 years ago
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Answered

• UC2854B: Looking for PFM controller product like UC2854B that has PSpice or Simplis model available

  

  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…

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  • over 4 years ago
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Answered

• UC2854B-EP: Thermal - datasheet theta jc and ja mixed?

  

  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 RθJC Junction-to-case…

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  • over 2 years ago
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• UC2854B-EP: UC2854B-EP vs UCC2818-EP

  

  May

  TI Thinks Resolved

  Part Number: UC2854B-EP Other Parts Discussed in Thread: UCC2818-EP , Hi, The UC2854B-EP has the same functional bloc as UCC2818-EP, better current amplier bandwidth, low gain dispersion of multiplier but requiere more supply current and it is more…

  • over 4 years ago
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Answered

• RE: UC2854B: UC2854B: Can UC2854B be used with both of AC and DC input?

  

  John Griffin1

  Resolved

  Hello S.H. Yes you can use the UC2854B with both AC and DC inputs. Regards John

  • over 6 years ago
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• UC2854B-EP: Maximum applicable voltage on VAO

  

  Alexandre Gadois

  TI Thinks Resolved

  Part Number: UC2854B-EP Other Parts Discussed in Thread: UC2854B , , UC2845 Hi, I am currently designing a PFC with a boost topology. In my design, it is preferable to use an external op amp to do the voltage loop function, The output of this external…

  • over 4 years ago
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• UC2854B-EP: Multiplier Gain and temperature sensitivity

  

  Steve Widener

  TI Thinks Resolved

  Part Number: UC2854B-EP Other Parts Discussed in Thread: UC2854B , Regarding a 400Hz 115Vac input PFC module for military avionics application: In doing higher temperature testing (baseplate > 70 deg C), the THD begins to increase from ~3% to ~10% …

  • over 4 years ago
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• UC2854B: UC2854B PFC parallel mode output

  

  Roy Chen52

  TI Thinks Resolved

  Part Number: UC2854B Hi, I need a large watt PFC output application, If UC2854B is parallel mode synchronize output, pin 14 (CT) can be connected together? As shown, what risks exist?! Thank you!

  • over 7 years ago
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Answered

• UC2854B: ESD Rating

  

  Carlo

  Resolved

  Part Number: UC2854B Other Parts Discussed in Thread: UC2854 Hi Team, Good day. Could you help us provide the HBM and ESD Rating of UC2854BDWTR? Thank you in advance for the help. Regards, Carlo

  • Resolved

  • over 5 years ago
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• UC2854B: PF was low

  

  Raven

  Part Number: UC2854B I cannot get the ideal PF, I designed a 3kilowat PFC, but when I added load to 1KW, the PF was 0.94.

  • over 6 years ago
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