TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Enterprise Automation Integration
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
    • Analog
    • Automotive
    • DLP® technology
    • Embedded processing
    • Industrial
    • Power management
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel


Search tips
Showing 35 results View by: Thread Post Sort by
    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
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • UC2854B: UC2854B Current Error Amplifier

    John_Fletcher
    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…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • UC2854B-EP: Maximum applicable voltage on VAO

    Alexandre Gadois
    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 op…
    • 11 months ago
    • Power management
    • Power management forum
  • UC2854B-EP: UC2854B-EP vs UCC2818-EP

    May
    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 expensive…
    • over 1 year ago
    • Power management
    • Power management forum
  • UC2854B-EP: Multiplier Gain and temperature sensitivity

    Steve Widener
    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% (seems…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UC2854B: ESD Rating

    Carlo
    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 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC2854B: UC2854B: Can UC2854B be used with both of AC and DC input?

    user4889743
    user4889743
    Resolved
    Part Number: UC2854B Hi, I want to design PFC using UC2854B under the following conditions.  Input : AC85V-265V, DC125V(-10%, +15%)  Output : DC390V 200W  Efficiency : 90%  Switching frequency : 65kHz In this case, can UC2854B be used with both of AC and DC…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UC2854B: PF was low

    Raven
    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 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC2854B: CT pin Max voltage

    Steve Widener
    Steve Widener
    Resolved
    Part Number: UC2854B Other Parts Discussed in Thread: UCC2818 What is the ABS max voltage allowed on the CT pin (for cases where there is an external sync pulse injection)
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC2854B-EP: Enable threshold voltage

    Koji Hayashi92
    Koji Hayashi92
    Resolved
    Part Number: UC2854B-EP Hi TI-team My customer is using UC2854B-EP. Normally, I think ENA operates at 2.35V or more. However, there is a sample that operates with ENA around 1.9V. VCC at this time is about 10.5V. Vref also outputs 7.5V. Why does the…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
>

Didn't find what you are looking for? Post a new question.

  • Ask a new question
About TI
Company News & events Investor relations Corporate citizenship Careers Contact us
Quick links
TI E2E™ design support forums Customer support center Packaging Quality & reliability TI university program myTI FAQ
Buying
Ordering resources Ordering help & FAQs BOM & cross reference tool Quick add to cart Authorized distributors
Connect with us

Texas Instruments has been making progress possible for decades. We are a global semiconductor company that designs, manufactures, tests and sells analog and embedded processing chips. Our products help our customers efficiently manage power, accurately sense and transmit data and provide the core control or processing in their designs.

Cookie policy Privacy policy Terms of sale Terms of use Trademarks Website feedback

© Copyright 1995-2023 Texas Instruments Incorporated. All rights reserved.