Hi Feeney,
To operate in the normal mode, The resonant tank needs to be designed such that during no load , the operating frequency is not too high. Also, you need to make sure FBReplica is more than BMTL threshold.
Regards
Manikanta P
Part Number: UCC256403 I am asking this question from the following response to the question : https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1128953/ucc256403-startup-sequence-of-ucc256403-to-avoid-hard-switching…
Part Number: UCC256403 Dear TI support team,
I am working on building a 1000W (32V, 33A) LLC converter using the UCC256403A integrated controller. I am using a split capacitor half bridge circuit. I am attaching the excel spread sheet with my best working…
Part Number: UCC256403 Dear Specialists,
My customer is designing UCC256403 and would like to use Option7(Burst Mode Disable)
I would be grateful if you could advise.
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I would like to disable burst mode. I confirmed the data sheet and it says that setting…
Part Number: UCC256403 Other Parts Discussed in Thread: UCC27710 Dear Specialists,
My customer is considering UCC256403 and has a question.
I would be grateful if you could advise.
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The data sheet (6.1 Absolute Maximum Ratings) specifies that the HO…
Part Number: UCC256403 Dear Specialists,
My customer is designing UCC256403 circuit and has a question.
I would be grateful if you could advise.
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According to the datasheet, RVCC is used for bootstrap power supply. Is it possible to use VCC instead…
Part Number: UCC256403 Other Parts Discussed in Thread: UCC256404 Hi team,
The specifications are DC input, the range is 140V to 450V, and we believe that the 4-pin BLK (input voltage level detection) is difficult.
Is it possible to deal with this by…
Part Number: UCC256403 Hi Team
I want to calculate LLC half bridge converter primary Mosfet losses,can you please provide me any application note and provide me formulas for calculation.