Part Number: LM5176 Other Parts Discussed in Thread: LM5156-Q1 , LM5156 , LM5155
Hi Sir,
My customer would like design LM5176.
Would you please review requirement and layout and provide your comment?
VIN=9~48V
Vout=19V/12A
VIN = Vout
…
Hi Sam,
We have fixed the issue regarding design creation for LM5176. Please find the pdf report attached below.
/cfs-file/__key/communityserver-discussions-components-files/234/WBDesign6462.pdf
The fix will be available on ti.com by end of next…
hi Michel,
You can't do that with a sinlge IC of course...
here is just an example of using WeBench(R) Power Architect tool to design such application...
hope this helped a bit
KR
Vincenzo
ATX DC_DC.pdf
Part Number: LM5176EVM-HP
Dear All
My Japanese customer has a question about LM5176EVM-HP. The question is below:
In the LM5176EVM-HP, when VOUT is changed from the standard 12V output to 5V output, ripple occurs at VOUT. The ripple increases in…
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…
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.
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…
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 a simple…
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
