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 24 results View by: Thread Post Sort by
  • UC1843A-SP: UC1843A-SP

    RON FIORELLO
    RON FIORELLO
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1843A Hello I am having an issue with the comp pin in the UC1843A spice model being able to be pulled down to regulate the duty ratio. It is used in the feedback loop with the FB pin to gnd so…
    • 25 days ago
    • Power management
    • Power management forum
  • Answered
  • UC1843A-SP: UC1843A-SP

    miray gündogdu
    miray gündogdu
    Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1843A Hi, I am planning to use UC1843A-SP for the flight model in my design. Before using it, I will use UC2843AN or UC2843N for the prototype instead of UC1843A-SP. I didn't see detailed information…
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
  • UC1843A-EP: UC1843A-SP Oscillator frequency bend and temp. effect

    gG
    gG
    TI Thinks Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1844A , Hi, I'm planning to drive my FET with 300kHz switching frequency and %50 max. duty cycle. Therefore, I'll try to set the internal oscillator to 600kHz. However, when I arrange it…
    • 11 months ago
    • Power management
    • Power management forum
  • UC1843A-SP: Feed-forward compensation application

    gG
    gG
    TI Thinks Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1843A , Hi, I'm trying to find some formula and technical notes about how to design feed-forward compensation network for my dc-dc application. Please provide me some technical note to do it…
    • 10 months ago
    • Power management
    • Power management forum
  • UC1843A-SP: PSPICE-FOR-TI : SIMPLE schema with UC1843A doesn't work while it was working with TINA

    user6345518
    user6345518
    TI Thinks Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: TINA-TI ¨Dear TI Teams, I have tried to install and use PSPICE FOR TI but I'm strunglling simulating a ,simple circuit with the UC1843A-SP PWM controller. The schematics is shown below…
    • over 1 year ago
    • Power management
    • Power management forum
  • PSPICE-FOR-TI: UC1843A-SP simulation not working

    user6345518
    user6345518
    TI Thinks Resolved
    Other Parts Discussed in Thread: UC1843A , TINA-TI Dear TI, (edit change UC1483A to UC1843A) I'm trying to run a simple simulation moving from TINA_TI to SPICE FOR TI, for simulatiuon capabilities purposes (Monte carlo and so on). The schematics is as…
    • over 1 year ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • UC1843A-SP: UC18433A-SP QML Supply current when shutdown

    Kenneth Aquino
    Kenneth Aquino
    TI Thinks Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1843 I would like to shutdown the UC1843 (space-grade part is what I am using) and would like to know what the supply current would be if I did that. I would shut it down by one of the methods…
    • over 2 years ago
    • Power management
    • Power management forum
  • UC1843A-SP: Application note or example layout for LCCC-20

    Aki Jupic1
    Aki Jupic1
    TI Thinks Resolved
    Part Number: UC1843A-SP Hello, I am looking for an app note or an example layout for the 20-pin UC1843A-SP LCCC package. The circuit is driving a low-side NFET for an LED control application. The biggest concern is the proper layout connections for…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1843A-SP: Backfeed Vref

    Steve Widener
    Steve Widener
    Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1843-SP Can we backfeed the UC1843-SP VREF with 5V without Vcc present (VCC open)? If so, Would the PWM still operate in that mode?
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1843A-SP: Feedback and isolation

    Needhu Gunasegaran
    Needhu Gunasegaran
    Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1843-SP , TIDA-070002 , UC1843 , UC1901-SP Hi, I have a customer interested in the UC1843-SP. Please help answer the following question. I saw the sample circuit in the datasheet and the TIDA-070002…
    • 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 1995-2021 Texas Instruments Incorporated. All rights reserved.