• 

  sah yonghan

  • over 9 years ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

  TPS54617

  • Resolved

  of tps54617, F(switching)=1.6Mhz. while applying the formula from TPS53311 , I(ripple)=1/(LXSWITCHING FREQUENCY
• 

  David Robinson

  • over 7 years ago
  • Power management
  • Power management forum

  RE: TPS40200 Must keep output switching off using SS Pin until 30 VDC input is available

  Hello Anthony, Please provide the updated TPS40KType spreadsheet that you used prior to making the last recommendations for the compensation network values. Please see attached. David Robinson

  • TPS40KType III Loop Stability kVenable_sluc263c_DGR.xlsx
• 

  John Bottrill

  • over 8 years ago
  • Power management
  • Power management forum

  RE: UCC3806 reference design and simulation model

  Hello, The UCC3806 is a dual output controller though it can be used in a flyback where only one of the outputs are used to drive the switch it might be better to choose a single output controller. Look at page 46 of the attached under General Purpose...

  • Power management guide 2011.pdf
• 

  John Bottrill

  • over 8 years ago
  • Power management
  • Power management forum

  RE: Low operating voltage version of a TL494?

  Mark, see teh attached Power Management Guide Page 43 John

  • Power management guide 2011.pdf
• 

  John Bottrill

  • over 8 years ago
  • Power management
  • Power management forum

  Re: Kindly, suggest me the controller for isolated DC/DC

  Peter, i am enclosing the Power Management Guide for 2011. The section you will be interested in starts on page 43 and actual devices listed on page 46, With the minimum information you have given me I would expect that you will want something like...

  • Power management guide 2011.pdf
• 

  John Bottrill

  • over 8 years ago
  • Power management
  • Power management forum

  RE: How to adjust output PWM of UC3825

  Siyu, I think the toggle flip-flop in the block diagram on page one of the spec should have let you know that the max you will get with this device is 50% duty. Go to page 43 and 44 of the attached and select a more suitable part.

  • Power management guide 2011.pdf
• 

  John Bottrill

  • over 7 years ago
  • Power management
  • Power management forum

  RE: PWM chip selection

  Hi, I've attached the 2013 User's Guide for power products. Starting on page 53 you will find a selection of PWM controllers. many of these teh frequency can be varied according to external criteria. As an example if you use a UC3842 it is...

  • 2013 Power Management Guide.pdf
• 

  John Bottrill

  • over 7 years ago
  • Power management
  • Power management forum

  RE: 110/220 VAC to 12 KVDC Push Pull supply?

  Gary, Most any of our power controllers with dual output capability will provide the control. See attached document starting at page 50 with the dual output controllers on page 53 and 54 and choose what features you want. Regards, John

  • 2013 Power Management Guide.pdf

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