Hi Ravid,
I used the online FET loss calculator and input your design requirements. With the CSD17573Q5B for both low side and high side, the estimated dissipation in the high side is around 4.5W (no wonder it gets hot!) and low side is about 0.5W. I…
Other Parts Discussed in Thread: LM25119 , CSD19537Q3 Hi, Could you tell me about LM25119 webench simulation default out put. Customers want to use the LM25119 under the following conditions. ◇Vin=24V,Vout=19.5V,Iout=25A When the simulation under these…
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
