• 

  Kuan Wei Chen (Kevin Chen)

  • 15 days ago
  • Power management
  • Power management forum

  UCC28711: Thermal Protection

  TI Thinks Resolved

  Part Number: UCC28711 Dear Team, Here is Kevin from Delta Taiwan team. Just want to double check with you. Base on the below spec., when IC internal die temperature higher than 165dC, the IC will shut down, right? BR Kevin
• 

  Rambabu k

  • 4 months ago
  • Power management
  • Power management forum

  UCC28711: One of the power supply is turned OFF, when two modules are keeping side by side.

  TI Thinks Resolved

  Part Number: UCC28711 Dear, In recent one application, we selected TI IC of UCC28711 pwm controller for high voltage input DC power supply. Input voltage is 1000V DC and output voltage is 110V,200W. This power supply is working well on test bench and...
• 

  Gerasimos Maroulis

  • 5 months ago
  • Power management
  • Power management forum

  UCC28711: Problem with the control response of the IC

  TI Thinks Resolved

  Part Number: UCC28711 Hello, I designed a flyback converter using the UCC28711. The DC input voltage ranges from 150V-1000V and the output voltage consists of 2 outputs of 17V each. Unfortunately, the circuit does not respond as expected. I observe...
• 

  Gerasimos Maroulis

  • 6 months ago
  • Power management
  • Power management forum

  UCC28711: Intermittent operation of Flyback Converter

  TI Thinks Resolved

  Part Number: UCC28711 Hello, I designed a flyback converter using the UCC28711. The DC input voltage ranges from 150V-1000V. And the output voltage consists of 2 outputs of 17V each. Unfortunately, the circuit does not respond as expected. In particular...
• 

  user5956241

  • 2 months ago
  • Power management
  • Power management forum

  UCC28711: UCC28711 in TIDA-00173 Question

  TI Thinks Resolved

  Part Number: UCC28711 Hi TIer, I have a question about TIDA-00173. Due to 690VAC*1.414=975V 》950V and looks the Q1/Q2 is 950V on BOM, May I know the Voltage stress on Q1 and Q2 is enough for this application? thanks!
• 

  Xavier Pacheco

  • 7 months ago
  • Power management
  • Power management forum

  UCC28711: Flyback controller recommendation for Ultra Wide Input

  • Resolved

  Part Number: UCC28711 Hi, I want to design a power supply with the following specs: AC input
• 

  robin gangopadhya18

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

  UCC28711: ucc28711

  • Resolved

  Part Number: UCC28711 I have successfully used SLUC408B (I think ) xl spreadsheet calculations
• 

  Chetan Patel

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

  UCC28711: UCC28711 Fault Protection and Restart Sequence

  TI Thinks Resolved

  Part Number: UCC28711 Dear Sir, we are using UCC28711 IC in one of our Product with Input Range of 400V to 800VDC and output is 110VDC using fly back topology. Recently we are facing issue of sudden stop output 110V during system running condition...
• 

  Mabonga Paul

  • 10 months ago
  • Power management
  • Power management forum

  UCC28711: Transformer Design for UCC28711.

  TI Thinks Resolved

  Part Number: UCC28711 I am designing a power supply system, 40W, 20V output with Vin of 400V - 700V using the UCC28711 as is demonstrated in TIDA-00173. I however have face a problem of failing to find a custom designed transformer for example, no distributor...
• 

  Piotr Wyderski

  • 4 months ago
  • Power management
  • Power management forum

  UCC28701: UCC28701 and UCC28711 use different math to calculate R_CS

  • Resolved

  Part Number: UCC28701 Hello, See page 11 of the UCC28711 datasheet, point 8.3.1.5: the expression

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

• Ask a new question