Part Number: UCC28722
Dear sir ,
We are trying to operate the UCC28722 for buck converter design application (380 V Nominal Input and 15V Output ). We have used darlington pair instead of NPN transistors as Switching device .While operating the converter…
Part Number: UCC28722 Other Parts Discussed in Thread: PMP7668 , Hello,
We want to use UCC28722 to create a non-isolated auxiliary supply of 6W for our PFC after reading your document SLUA721A. Given our Ipeak for the BJT is slightly high. We wanted to use…
Part Number: UCC28722 Dear Sir/Ms.
The following are the problems encountered by the customer UCC28722 during testing.
Input DC24V Output DC23V Power 20W When the power is turned on, the output voltage is abnormal, and a triangle wave between 21V and 7…
Hi IgorR
Thank you for reaching out.
The IC is most likely restarting because it has encountered a fault.
Please refer the following debug guides which might be helpful with the debug process.
https://e2e.ti.com/support/power-management-group/power-management…
Part Number: UCC28722 Other Parts Discussed in Thread: UCC28704 , Hello,
In the datasheet it is given that Vccr is 330 mV. I want to understand if this a calculated value or a fixed reference for CC mode of the CS Pin voltage. Vcst (max) is given as 780mV…
Part Number: UCC28722 Hi
Regarding 28722 the capacitor on VDD pin is mentioned is slau721a is 4.7 mfd, if I reduce to 2.2 mfd which parameter I should check so that functionality of UCC28722
should not get affected.
Part Number: UCC28722 Other Parts Discussed in Thread: PMP10344 Hi there,
I am using UCC28722 for energy meter application with three phase input by using guidelines of SLAU721A.
The components values as per SLAU721A are all same with difference that…
Part Number: UCC28722 Tool/software: WEBENCH® Design Tools
Got this Error at the time of adding a new macro in TINA for UCC28722.I am using the Spice model UCC28722_TRANS.lib file (downloaded from TI's website). What this error is and how I can solve…
Part Number: UCC28722 Other Parts Discussed in Thread: TINA-TI , UCC28700 Hello E2E,
I tried import to TINA-TI the PSpice model of UCC28722. However I could not import it. Apparently the file has a problem with Line-10. Does TI have any information about…