Part Number: UCC256403 Hi expert,
I am designing a 2.7kW power supply using UCC256403.
When designing the resistance value connected to ISNS, there is a design method for the upper limit in the data sheet, but there is no design method for the lower…
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…