• UC3843: uc3843

  

  Valery Kravets

  TI Thinks Resolved

  Part Number: UC3843 Tool/software: What is the difference between UC3843 and UC3843A

  • 2 months ago
  • Power management
  • Power management forum
Answered

• UC3843: UC3843 PWM Debugging — No PWM Output

  

  Sourov Roy

  Resolved

  Part Number: UC3843 Hello All, I’ve been bench testing a 3-output auxiliary flyback converter using the UC3843 before applying the main high-voltage DC bus, and I’ve hit a puzzling roadblock. Here’s where I’m at so far: …

  • Resolved

  • 24 days ago
  • Power management
  • Power management forum

• UC3843: Does UC3843 variant support both 5W and 10W output?

  

  Yuxi Liu(Tony)

  TI Thinks Resolved

  Part Number: UC3843 Tool/software: Hi TIer My customer currently use UC3843 as Isolated power controller, customer wants to upgrade his system to provide 5W and 10W outputs, do we have some models to offer an evaluation? Also, I would like to ask…

  • 11 months ago
  • Power management
  • Power management forum

• UC3843: Enable and disable the UC3843

  

  KENNETH M JACKSON

  TI Thinks Resolved

  Part Number: UC3843 Tool/software: Hi All, Is there a configuration that allows me to disable the UC3843 at startup and some time later the mcu will enable it? Any suggestions would be greatly appreciated. Thanks, Kenneth

  • over 1 year ago
  • Power management
  • Power management forum

• UC3843: Buck-Boost-Converter with UC3843

  

  Bjoern Stache

  TI Thinks Resolved

  Part Number: UC3843 Tool/software: Hi, on your homepage I saw the controller UC3843. In the section: Parameters you wirte Buck-Boost Converter for a possible topology. How can I design a Buck-Boost Converter with the UC3843 Controller. Specs: …

  • over 1 year ago
  • Power management
  • Power management forum

• UC3843A: UC3843

  

  Adarsh Kumar

  TI Thinks Resolved

  Part Number: UC3843A Other Parts Discussed in Thread: UC3843 Tool/software: Dear Sir, I want to design a buck converter Rating of Input= 55-80 V DC Output= 50V,10A with IC UC3843 at a switching frequency of 51Khz. Mosfet used is Rm150N100 with…

  • 4 months ago
  • Power management
  • Power management forum

• UC3843: KPWM

  

  Andres Gomez

  TI Thinks Resolved

  Part Number: UC3843 Tool/software: Hi I am designing a voltage mode control. I need the value of KPWM = 1/Vpeak of the oscillator. For UC3843, Vpeak is 1.7V?

  • 8 months ago
  • Power management
  • Power management forum

• UC3843: SMPS design help

  

  Mehul Patel

  TI Thinks Resolved

  Part Number: UC3843 Tool/software: hello, we are manufacturing 24V, 2.5A and 60W AC to DC adaptor for water purifier Power supply. for this we wish to use UC3843 . can you please provide the circuit design for the same.. we have tried your online tools…

  • 7 months ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum
Answered

• UC3843: Flyback - unstable dutycycle due noise

  

  Tung Dao

  Resolved

  Part Number: UC3843 TL431 Other Parts Discussed in Thread: UC3843 , TL431 Tool/software: I am designing a flyback converter, with the following parameters: Input: 50-60VDC Output: 150VDC I use a simple solution using UC3843, TL431, and PC817…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum
Answered

• UC3843: Boost COnverter

  

  korcan tuna

  Resolved

  Part Number: UC3843 Other Parts Discussed in Thread: TPS54331 Tool/software: Hi Team, I want to design boost converter for battery charger. Input voltage is 20V and current is 5A. Actually I want to use pd 3.0 with usb-c type connector. So this boost…

  • Resolved

  • 10 months ago
  • Power management
  • Power management forum

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